<SEC-DOCUMENT>0001387131-21-011141.txt : 20211115
<SEC-HEADER>0001387131-21-011141.hdr.sgml : 20211115
<ACCEPTANCE-DATETIME>20211115162700
ACCESSION NUMBER:		0001387131-21-011141
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		73
CONFORMED PERIOD OF REPORT:	20210930
FILED AS OF DATE:		20211115
DATE AS OF CHANGE:		20211115

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PIONEER POWER SOLUTIONS, INC.
		CENTRAL INDEX KEY:			0001449792
		STANDARD INDUSTRIAL CLASSIFICATION:	POWER, DISTRIBUTION & SPECIALTY TRANSFORMERS [3612]
		IRS NUMBER:				000000000
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-35212
		FILM NUMBER:		211411180

	BUSINESS ADDRESS:	
		STREET 1:		400 KELBY STREET, 12TH FLOOR
		CITY:			FORT LEE
		STATE:			NJ
		ZIP:			07024
		BUSINESS PHONE:		212-867-0700

	MAIL ADDRESS:	
		STREET 1:		400 KELBY STREET, 12TH FLOOR
		CITY:			FORT LEE
		STATE:			NJ
		ZIP:			07024

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIERRA CONCEPTS, INC.
		DATE OF NAME CHANGE:	20081112

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	SIERRA CONCEPTS
		DATE OF NAME CHANGE:	20081112
</SEC-HEADER>
<DOCUMENT>
<TYPE>10-Q
<SEQUENCE>1
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<p style="margin-top: 0; margin-bottom: 0; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">&#160;-</span></p>

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

<!-- Field: Rule-Page --><div style="text-align: left; margin-top: 12pt; margin-bottom: 3pt"><div style="border-top: Black 4pt solid; border-bottom: Black 1pt solid; font-size: 1pt; width: 100%">&#160;</div></div><!-- Field: /Rule-Page -->

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

<p style="margin-top: 0; margin-bottom: 0; margin-left: 0"></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 14pt Times New Roman, Times, Serif"><b>UNITED
STATES</b>&#160;</span></p>

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

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 18pt Times New Roman, Times, Serif"><b>FORM
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center">&#160;</p>

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>(Mark
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 12pt Times New Roman, Times, Serif"><b>For
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>OR</b></span></p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0pt; width: 100%"><tr style="vertical-align: top; text-align: justify">
<td style="width: 0in"></td><td style="width: 0.25in; text-align: left"><span style="font: 12pt Times New Roman, Times, Serif"><span id="xdx_903_edei--DocumentTransitionReport_c20210101__20210930_z3D45EA1xXSh"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt:booleanfalse" name="dei:DocumentTransitionReport">&#9744;</ix:nonNumeric></span></span></td><td style="text-align: justify"><span style="font: 12pt Times New Roman, Times, Serif"><b>TRANSITION
REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934</b></span></td>
</tr></table>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 24.2pt; text-indent: -24.2pt"><span style="font: 12pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 24.2pt; text-align: center; text-indent: -24.2pt"><span style="font: 12pt Times New Roman, Times, Serif"><b>For
the transition period from __________ to ___________</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 24.2pt; text-align: center; text-indent: -24.2pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>Commission
file number: <span id="xdx_902_edei--EntityFileNumber_c20210101__20210930_zTpencwkqa38"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:EntityFileNumber">001-35212</ix:nonNumeric></span></b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center">&#160;</p>
<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 30%; margin-right: auto">
<tr style="font-size: 1pt; vertical-align: top; text-align: left">
  <td style="border-top: Black 1pt solid; font-size: 1pt; width: 100%"><span style="font-size: 1pt">&#160;</span></td></tr>
</table>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 24pt Times New Roman, Times, Serif"><b><span id="xdx_90A_edei--EntityRegistrantName_c20210101__20210930_zPvqwe3lZmf9"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:EntityRegistrantName">PIONEER
POWER SOLUTIONS, INC.</ix:nonNumeric></span></b></span><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">(Exact
name of registrant as specified in its charter)</span></p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; border-collapse: collapse; width: 30%; margin-right: auto">
<tr style="font-size: 1pt; vertical-align: top; text-align: left">
  <td style="border-top: Black 1pt solid; font-size: 1pt; width: 100%"><span style="font-size: 1pt">&#160;</span></td></tr>
</table>

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

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 50%; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="xdx_909_edei--EntityIncorporationStateCountryCode_c20210101__20210930_z3lcEuqMeUxd"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt-sec:stateprovnameen" name="dei:EntityIncorporationStateCountryCode">Delaware</ix:nonNumeric></span></b></span></td>
    <td style="vertical-align: bottom; width: 2%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: top; width: 48%; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="xdx_90E_edei--EntityTaxIdentificationNumber_c20210101__20210930_zPaypPFwiJB4"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:EntityTaxIdentificationNumber">27-1347616</ix:nonNumeric></span></b></span></td></tr>
<tr>
    <td style="vertical-align: top; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">(State
    or other jurisdiction of incorporation or organization)</span></td>
    <td style="vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: top; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">(I.R.S.
    Employer Identification No.)</span></td></tr>
</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 50%; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="xdx_90C_edei--EntityAddressAddressLine1_c20210101__20210930_z599NGOChumk"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:EntityAddressAddressLine1">400
Kelby Street</ix:nonNumeric></span>, <span id="xdx_90B_edei--EntityAddressAddressLine2_c20210101__20210930_zcr5L8PpEHYd"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:EntityAddressAddressLine2">12th Floor</ix:nonNumeric></span></b>&#160;</span><br />
<b><span id="xdx_903_edei--EntityAddressCityOrTown_c20210101__20210930_z4CKr6E5UiSf"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:EntityAddressCityOrTown">Fort
Lee</ix:nonNumeric></span>, <span id="xdx_909_edei--EntityAddressStateOrProvince_c20210101__20210930_zpLadYYA2LB6"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt-sec:stateprovnameen" name="dei:EntityAddressStateOrProvince">New Jersey</ix:nonNumeric></span></b></td>
    <td style="vertical-align: bottom; width: 2%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; width: 48%; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_90E_edei--EntityAddressPostalZipCode_c20210101__20210930_zqb98Wbofo9e"><b><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:EntityAddressPostalZipCode">07024</ix:nonNumeric></b></span></span></td></tr>
<tr>
    <td style="vertical-align: top; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">(Address of principal executive offices)</span></td>
    <td style="vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: top; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">(Zip Code)</span></td></tr>
</table>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="xdx_903_edei--CityAreaCode_c20210101__20210930_zZydIvBBnZre"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:CityAreaCode">(212)</ix:nonNumeric></span>
<span id="xdx_902_edei--LocalPhoneNumber_c20210101__20210930_zc5LWFr7Wtoc"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:LocalPhoneNumber">867-0700</ix:nonNumeric></span></b>&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">(Registrant&#8217;s
telephone number, including area code)</span></p>

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

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

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

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr style="vertical-align: top">
    <td style="border: Black 1pt solid; width: 33%; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>Title
    of each class</b></span></td>
    <td style="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; width: 19%; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>Trading
    symbol(s)</b></span></td>
    <td style="border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; width: 48%; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>Name
    of each exchange on which registered</b></span></td></tr>
<tr style="vertical-align: top">
    <td style="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: Black 1pt solid; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_908_edei--Security12bTitle_c20210101__20210930_zWrCzufghHOf"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:Security12bTitle">Common
    Stock</ix:nonNumeric></span></span></td>
    <td style="border-right: Black 1pt solid; border-bottom: Black 1pt solid; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_906_edei--TradingSymbol_c20210101__20210930_zQYMlB66J8va"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:TradingSymbol">PPSI</ix:nonNumeric></span></span></td>
    <td style="border-right: Black 1pt solid; border-bottom: Black 1pt solid; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_90B_edei--SecurityExchangeName_c20210101__20210930_z1VFPVFZfZU6"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt-sec:exchnameen" name="dei:SecurityExchangeName">Nasdaq</ix:nonNumeric></span>
    Capital Market</span></td></tr>
</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">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.&#160;&#160;<span id="xdx_907_edei--EntityCurrentReportingStatus_c20210101__20210930_zI0GrbVAdlN6"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:EntityCurrentReportingStatus">Yes</ix:nonNumeric></span> &#9746; No &#9744; &#160;</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">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 such files). &#160; &#160;<span id="xdx_908_edei--EntityInteractiveDataCurrent_c20210101__20210930_zRFqAyUkXaWd"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" name="dei:EntityInteractiveDataCurrent">Yes</ix:nonNumeric></span> &#9746; No &#9744;</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">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 the definitions 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:</span></p>

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

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; width: 80%; border-collapse: collapse; margin-right: auto">
<tr style="vertical-align: top">
    <td style="width: 30%"><span style="font: 10pt Times New Roman, Times, Serif">Large accelerated filer</span></td>
    <td style="width: 10%"><span style="font: 10pt Times New Roman, Times, Serif">&#9744;</span></td>
    <td style="width: 30%"><span style="font: 10pt Times New Roman, Times, Serif">Accelerated filer</span></td>
    <td style="width: 10%"><span style="font: 10pt Times New Roman, Times, Serif">&#9744;</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_903_edei--EntityFilerCategory_c20210101__20210930_zWRe2KUm4pQc"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt-sec:entityfilercategoryen" name="dei:EntityFilerCategory">Non-accelerated filer</ix:nonNumeric></span></span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#9746;</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">Smaller reporting company</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_90E_edei--EntitySmallBusiness_c20210101__20210930_zMUJT1o34a1i"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt:booleantrue" name="dei:EntitySmallBusiness">&#9746;</ix:nonNumeric></span></span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">Emerging Growth Company</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_90A_edei--EntityEmergingGrowthCompany_c20210101__20210930_z3etutUhDVF6"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt:booleanfalse" name="dei:EntityEmergingGrowthCompany">&#9744;</ix:nonNumeric></span></span></td></tr>
</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">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 accounting standards provided pursuant to Section 13(a) of the Exchange Act. &#9744;</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Indicate
by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).&#160;&#160;Yes
&#9744; <span id="xdx_90A_edei--EntityShellCompany_c20210101__20210930_z2we1fAGToYk"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt:booleanfalse" name="dei:EntityShellCompany">No</ix:nonNumeric></span> &#9746;</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
number of shares outstanding of the registrant&#8217;s common stock, $0.001 par value, as of November 15, 2021 was <span id="xdx_908_edei--EntityCommonStockSharesOutstanding_iI_pid_uShares_c20211115_zjdqKGgVUAid"><ix:nonFraction name="dei:EntityCommonStockSharesOutstanding" contextRef="AsOf2021-11-15" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">8,726,045</ix:nonFraction></span>.</span></p>

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

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

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

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

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

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    <div style="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><p style="margin: 0pt">&#160;</p></div>
    <!-- Field: /Page -->

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




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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>For
the Quarterly Period Ended September 30, 2021</b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>TABLE
OF CONTENTS</b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><a href="#a001"><span style="font: 10pt Times New Roman, Times, Serif">&#160;<span>PART I. FINANCIAL INFORMATION</span></span></a></p>

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

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="vertical-align: top; width: 94%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="vertical-align: bottom; text-align: right; width: 6%"><span style="font: 10pt Times New Roman, Times, Serif">Page&#160;</span></td></tr>
<tr>
    <td style="vertical-align: top"><a href="#a002"><span style="font: 10pt Times New Roman, Times, Serif">Item 1. Financial Statements</span></a></td>
    <td style="vertical-align: bottom; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1</span></td></tr>
<tr>
    <td style="vertical-align: top"><a href="#a003"><span style="font: 10pt Times New Roman, Times, Serif">Unaudited Consolidated Statements of Operations for the Three and Nine Months Ended September 30, 2021 and 2020</span></a></td>
    <td style="vertical-align: bottom; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1</span></td></tr>
<tr>
    <td style="vertical-align: top"><a href="#a004"><span style="font: 10pt Times New Roman, Times, Serif">Unaudited Consolidated Statements of Comprehensive (Loss) Income for the Three and Nine Months Ended September 30, 2021 and 2020</span><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></a></td>
    <td style="vertical-align: bottom; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;2</span></td></tr>
<tr>
    <td style="vertical-align: top"><a href="#a005"><span style="font: 10pt Times New Roman, Times, Serif">Consolidated Balance Sheets at September 30, 2021 (Unaudited) and December 31, 2020</span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#a006"><span style="font: 10pt Times New Roman, Times, Serif">Unaudited Consolidated Statements of Cash Flows for the Nine Months Ended September 30, 2021 and 2020</span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#a007"><span style="font: 10pt Times New Roman, Times, Serif">Unaudited Consolidated Statement of Stockholders' Equity for the Three and Nine Months Ended September 30, 2021 and 2020</span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#a008"><span style="font: 10pt Times New Roman, Times, Serif">Notes to Unaudited Consolidated Financial Statements&#160;</span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a009"><span style="font: 10pt Times New Roman, Times, Serif">Item 2. Management&#8217;s Discussion and Analysis of Financial Condition and Results of Operations</span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a010"><span style="font: 10pt Times New Roman, Times, Serif">Item 3. Quantitative and Qualitative Disclosures About Market Risk</span></a></td>
    <td style="vertical-align: bottom; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;&#160;&#160;&#160;&#160;&#160;24</span></td></tr>
<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a011"><span style="font: 10pt Times New Roman, Times, Serif">Item 4. Controls and Procedures&#160;</span></a></td>
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</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center">&#160;</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><a href="#ppsi10q093021a012"><span style="font: 10pt Times New Roman, Times, Serif">PART II. OTHER INFORMATION</span><span style="font: 10pt Times New Roman, Times, Serif"></span></a></p>

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

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<tr style="vertical-align: top">
    <td style="width: 94%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 6%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a013"><span style="font: 10pt Times New Roman, Times, Serif">Item 1. Legal Proceedings</span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a014"><span style="font: 10pt Times New Roman, Times, Serif">Item 1A. Risk Factors</span><span style="font: 10pt Times New Roman, Times, Serif"></span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a015"><span style="font: 10pt Times New Roman, Times, Serif">Item 2. Unregistered Sales of Equity Securities and Use of Proceeds</span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a016"><span style="font: 10pt Times New Roman, Times, Serif">Item 3. Defaults Upon Senior Securities</span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a017"><span style="font: 10pt Times New Roman, Times, Serif">Item 4. Mine Safety Disclosures</span></a></td>
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<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a018"><span style="font: 10pt Times New Roman, Times, Serif">Item 5. Other Information</span></a></td>
    <td style="vertical-align: bottom; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;&#160;&#160;&#160;&#160;&#160;26</span></td></tr>
<tr>
    <td style="vertical-align: top"><a href="#ppsi10q093021a019"><span style="font: 10pt Times New Roman, Times, Serif">Item 6. &#160;Exhibits</span><span style="font: 10pt Times New Roman, Times, Serif"></span></a></td>
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</table>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><br />
&#160;</span></p>

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

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    <div style="border-bottom: Black 1pt solid; margin-top: 6pt; margin-bottom: 6pt"><p style="margin: 0pt"></p></div>
    <div style="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><p style="margin: 0pt">&#160;</p></div>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span><br />
</p>




<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="a001"></span>PART
I - FINANCIAL INFORMATION</b></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="a002"></span>Item
1. FINANCIAL STATEMENTS</b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>PIONEER
POWER SOLUTIONS, INC.</b>&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="a003"></span>Consolidated
Statements of Operations</b>&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>(In
thousands, except per share data)</b>&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>(Unaudited)</b></span></p>

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

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

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<tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left">&#160;</td><td id="xdx_499_20210701__20210930_zTNLuuH6hlF5" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_404_eus-gaap--CostOfGoodsAndServicesSoldAbstract_iB_zUTftybfg9Zh" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Cost of goods sold</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><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 id="xdx_403_ecustom--CostOfGoodsAndServiceExcludingInventoryWriteDown_i01_maCOGASzjAv_zRWLMuxibvt4" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<tr id="xdx_402_eus-gaap--InventoryWriteDown_i01_maCzFoQ_maCOGASzjAv_zN0D9NzElYRi" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 10pt">Write down of inventory</td><td style="padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_405_eus-gaap--GrossProfit_iT_mtGPzJHP_maOILzXZF_zfPJwsqlkTo5" style="vertical-align: bottom; background-color: White">
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<tr id="xdx_403_eus-gaap--OperatingExpensesAbstract_iB_zy8IcB20CRtd" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">Operating expenses</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><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 id="xdx_405_eus-gaap--SellingGeneralAndAdministrativeExpense_i01_maCzgzF_maOEzmgQ_zZyfGsnxP9ek" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 10pt">Selling, general and administrative</td><td style="padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_40A_eus-gaap--OperatingExpenses_i01T_mtOEzmgQ_msOILzXZF_zy9LuQbUBhF6" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 20pt">Total operating expenses</td><td style="padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_400_eus-gaap--OperatingIncomeLoss_iT_mtOILzXZF_maILFCOzJqq_zZuUBOX1pAgl" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Loss from continuing operations</td><td>&#160;</td>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:OperatingIncomeLoss" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2,370</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
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<tr id="xdx_40E_eus-gaap--InterestIncomeExpenseNet_iN_di_maCzoiY_maILFCOzJqq_zkxqeLdor7Tf" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 10pt">Interest income</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:InterestIncomeExpenseNet" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">99</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
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<tr id="xdx_404_eus-gaap--OtherNonoperatingIncomeExpense_iN_di_maCzoiY_maILFCOzJqq_zMoHk5h38F07" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 10pt">Other expense (income)</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"><ix:nonFraction name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">13</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_402_eus-gaap--IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest_iT_mtILFCOzJqq_maNILzmoP_zwtgskfL1eK5" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">(Loss) income before taxes</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">432</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:IncomeLossFromContinuingOperationsBeforeIncomeTaxesExtraordinaryItemsNoncontrollingInterest" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">788</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
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<tr id="xdx_40D_eus-gaap--IncomeTaxExpenseBenefit_msCzf0e_msNILzmoP_zFgDumlADoZd" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt; padding-bottom: 1pt">Income tax expense (benefit)</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"><ix:nonFraction name="us-gaap:IncomeTaxExpenseBenefit" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2</ix:nonFraction></td><td style="text-align: left; padding-bottom: 1pt">&#160;</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"><span style="-sec-ix-hidden: xdx2ixbrl0107">&#8212;</span></td><td style="text-align: left; padding-bottom: 1pt">&#160;</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">(<ix:nonFraction name="us-gaap:IncomeTaxExpenseBenefit" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">19</ix:nonFraction></td><td style="text-align: left; padding-bottom: 1pt">)</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"><ix:nonFraction name="us-gaap:IncomeTaxExpenseBenefit" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5</ix:nonFraction></td><td style="text-align: left; padding-bottom: 1pt">&#160;</td></tr>
<tr id="xdx_409_eus-gaap--NetIncomeLoss_iT_mtNILzmoP_zQWONjhWMrqi" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt">Net (loss) income</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">(<ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">434</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">)</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2020-07-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,339</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">(<ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">769</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">)</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">(<ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2,242</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">)</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><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 id="xdx_405_eus-gaap--EarningsPerShareBasicAndDilutedAbstract_iB_zyWhR8uupiW1" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td>(Loss) income per share:</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><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 id="xdx_40D_eus-gaap--EarningsPerShareBasic_i01_pid_uUSDPShares_zw9kEM2BYTql" style="vertical-align: bottom; background-color: White">
    <td style="text-indent: 10pt">Basic</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:EarningsPerShareBasic" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="INF" sign="-" unitRef="USDPShares">0.05</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right"><ix:nonFraction name="us-gaap:EarningsPerShareBasic" contextRef="From2020-07-012020-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">0.15</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:EarningsPerShareBasic" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="INF" sign="-" unitRef="USDPShares">0.09</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:EarningsPerShareBasic" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="INF" sign="-" unitRef="USDPShares">0.26</ix:nonFraction></td><td style="text-align: left">)</td></tr>
<tr id="xdx_400_eus-gaap--EarningsPerShareDiluted_i01_pid_uUSDPShares_zD1BvP2pCnQ3" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-indent: 10pt">Diluted</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:EarningsPerShareDiluted" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="INF" sign="-" unitRef="USDPShares">0.05</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right"><ix:nonFraction name="us-gaap:EarningsPerShareDiluted" contextRef="From2020-07-012020-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">0.15</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:EarningsPerShareDiluted" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="INF" sign="-" unitRef="USDPShares">0.09</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:EarningsPerShareDiluted" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="INF" sign="-" unitRef="USDPShares">0.26</ix:nonFraction></td><td style="text-align: left">)</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><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 id="xdx_40C_eus-gaap--WeightedAverageNumberOfSharesOutstandingAbstract_iB_zBSbqDoMoAsa" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td>Weighted average common shares outstanding:</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><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 id="xdx_40C_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_i01_pn3n3_uShares_zXHT6WgjxcV6" style="vertical-align: bottom; background-color: White">
    <td style="text-indent: 10pt">Basic</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="Shares">8,726</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="From2020-07-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="Shares">8,726</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:WeightedAverageNumberOfSharesOutstandingBasic" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="Shares">8,726</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
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<tr id="xdx_40B_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_i01_pn3n3_uShares_z7C5A7wog3Oh" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">&#160;&#160;</span></p>

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


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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>PIONEER
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="a004"></span>Consolidated
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"></p>

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

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

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


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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>PIONEER
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><span id="a005"></span><b>Consolidated
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"></p>

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<tr id="xdx_409_eus-gaap--AssetsCurrent_i02TI_mtCz14c_maAziHO_zvrQmLiulYv5" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 20pt">Total current assets</td><td>&#160;</td>
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<tr id="xdx_401_eus-gaap--PropertyPlantAndEquipmentNet_i01I_maAziHO_zdRS9toGEynb" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">Property, plant and equipment, net</td><td>&#160;</td>
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<tr id="xdx_400_ecustom--RightOfUseAsset_i01I_maAziHO_zdP7oDWbJ8D1" style="vertical-align: bottom; background-color: White">
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<tr id="xdx_408_eus-gaap--NotesAndLoansReceivableGrossNoncurrent_i01I_maAziHO_z6tKIwITJoFc" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<tr id="xdx_403_eus-gaap--OtherAssets_i01I_maAziHO_zPz1BT0ZNrO4" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt">Other assets</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"><ix:nonFraction name="us-gaap:OtherAssets" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">22</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_400_eus-gaap--Assets_i01TI_mtAziHO_zMN2oS7kBWMi" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total assets</td><td style="padding-bottom: 2.5pt">&#160;</td>
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<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 id="xdx_40C_eus-gaap--LiabilitiesAndStockholdersEquityAbstract_iB_zPaTiPjyAGE6" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-weight: bold; text-align: left">LIABILITIES AND STOCKHOLDERS&#8217; EQUITY</td><td>&#160;</td>
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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 id="xdx_40A_eus-gaap--LiabilitiesCurrentAbstract_i01B_zg2bLy22qKn2" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Current liabilities</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 id="xdx_40B_eus-gaap--AccountsPayableAndAccruedLiabilitiesCurrent_i02I_maCzcdC_zcEoUTQHZwf7" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 10pt">Accounts payable and accrued liabilities</td><td>&#160;</td>
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<tr id="xdx_408_eus-gaap--ContractWithCustomerLiabilityCurrent_i02I_maCzcdC_z0ZNzgWkjLvg" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Deferred revenue</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:ContractWithCustomerLiabilityCurrent" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,263</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:ContractWithCustomerLiabilityCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">714</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_403_eus-gaap--LongTermDebtCurrent_i02I_maCzcdC_zBHU2hUVpOg9" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 10pt">Current maturities of long-term debt</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0213">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:LongTermDebtCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">780</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_401_eus-gaap--AccruedIncomeTaxesCurrent_i02I_maCzcdC_zeKiah8raXg7" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 10pt">Income taxes payable</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"><span style="-sec-ix-hidden: xdx2ixbrl0216">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><ix:nonFraction name="us-gaap:AccruedIncomeTaxesCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">17</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr id="xdx_409_eus-gaap--LiabilitiesCurrent_i02TI_mtCzcdC_maCzFfz_zgzgestvMfr9" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 20pt">Total current liabilities</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:LiabilitiesCurrent" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">6,936</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:LiabilitiesCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,538</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_40E_eus-gaap--LongTermDebtNoncurrent_i01I_maCzFfz_zMuXFe5MxWT9" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Long-term debt</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0222">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:LongTermDebtNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">633</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_40F_eus-gaap--OtherLiabilitiesNoncurrent_i01I_maCzFfz_zvzdanIzmoel" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt">Other long-term liabilities</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"><ix:nonFraction name="us-gaap:OtherLiabilitiesNoncurrent" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,943</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><ix:nonFraction name="us-gaap:OtherLiabilitiesNoncurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,257</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr id="xdx_404_eus-gaap--Liabilities_i01TI_mtCzFfz_maCzZlE_maLASEzLg5_zRKxfQwHm0he" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Total liabilities</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:Liabilities" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,879</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:Liabilities" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,428</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_409_eus-gaap--StockholdersEquityAbstract_i01B_zjhfj9BNgpBi" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">Stockholders&#8217; equity</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 id="xdx_40D_eus-gaap--PreferredStockValue_i01I_maCzo3y_maSEzGI6_zetGoLuNecLi" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Preferred stock, $<span id="xdx_90C_eus-gaap--PreferredStockParOrStatedValuePerShare_iI_pid_uUSDPShares_c20210930_z80KPcWWFRok"><span id="xdx_908_eus-gaap--PreferredStockParOrStatedValuePerShare_iI_pid_uUSDPShares_c20201231_zU0U4BvXm2R6" title="Preferred stock, par value (in dollars per share)"><ix:nonFraction name="us-gaap:PreferredStockParOrStatedValuePerShare" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares"><ix:nonFraction name="us-gaap:PreferredStockParOrStatedValuePerShare" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">0.001</ix:nonFraction></ix:nonFraction></span></span> par value, <span id="xdx_90B_eus-gaap--PreferredStockSharesAuthorized_iI_pid_uShares_c20210930_z3D0u1gCKO83"><span id="xdx_900_eus-gaap--PreferredStockSharesAuthorized_iI_pid_uShares_c20201231_zSB2fEI3oVo3" title="Preferred stock, authorized"><ix:nonFraction name="us-gaap:PreferredStockSharesAuthorized" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares"><ix:nonFraction name="us-gaap:PreferredStockSharesAuthorized" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">5,000,000</ix:nonFraction></ix:nonFraction></span></span> shares authorized; <span id="xdx_90E_eus-gaap--PreferredStockSharesIssued_iI_pid_dn_uShares_c20210930_zZ1Olm1Hnzai"><span id="xdx_90D_eus-gaap--PreferredStockSharesIssued_iI_pid_dn_uShares_c20201231_zuSJpRcA0gpd" title="Preferred stock, issued"><ix:nonFraction name="us-gaap:PreferredStockSharesIssued" contextRef="AsOf2021-09-30" format="ixt-sec:numwordsen" decimals="INF" unitRef="Shares"><ix:nonFraction name="us-gaap:PreferredStockSharesIssued" contextRef="AsOf2020-12-31" format="ixt-sec:numwordsen" decimals="INF" unitRef="Shares">none</ix:nonFraction></ix:nonFraction></span></span> issued</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0234">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0235">&#8212;</span></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_409_eus-gaap--CommonStockValue_i01I_maCzo3y_maSEzGI6_zp5cPfRPDXx8" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-indent: 0in; padding-left: 0.125in">Common stock, $<span id="xdx_90B_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pid_uUSDPShares_c20210930_zAqIZOAWzK2e"><span id="xdx_906_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pid_uUSDPShares_c20201231_z86dESXE3enb" title="Common stock, par value (in dollars per share)"><ix:nonFraction name="us-gaap:CommonStockParOrStatedValuePerShare" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares"><ix:nonFraction name="us-gaap:CommonStockParOrStatedValuePerShare" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">0.001</ix:nonFraction></ix:nonFraction></span></span> par value, <span id="xdx_90B_eus-gaap--CommonStockSharesAuthorized_iI_pid_uShares_c20210930_zsueDmiYDTY5"><span id="xdx_90B_eus-gaap--CommonStockSharesAuthorized_iI_pid_uShares_c20201231_zNd9YrcRnLNh" title="Common stock, authorized"><ix:nonFraction name="us-gaap:CommonStockSharesAuthorized" contextRef="AsOf2021-09-30" 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; <br /> <span id="xdx_903_eus-gaap--CommonStockSharesIssued_iI_pid_uShares_c20210930_zCjUURWKlHL9" title="Common stock, issued"><span id="xdx_90D_eus-gaap--CommonStockSharesOutstanding_iI_pid_uShares_c20210930_zQcmw6ihvCUc" title="Common stock, outstanding"><span id="xdx_905_eus-gaap--CommonStockSharesIssued_iI_pid_uShares_c20201231_zoOIpEgTcWf5"><span id="xdx_90D_eus-gaap--CommonStockSharesOutstanding_iI_pid_uShares_c20201231_zHJiVycPC2Al"><ix:nonFraction name="us-gaap:CommonStockSharesIssued" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares"><ix:nonFraction name="us-gaap:CommonStockSharesOutstanding" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares"><ix:nonFraction name="us-gaap:CommonStockSharesIssued" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares"><ix:nonFraction name="us-gaap:CommonStockSharesOutstanding" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">8,726,045</ix:nonFraction></ix:nonFraction></ix:nonFraction></ix:nonFraction></span></span></span></span> shares issued and outstanding on September 30, 2021 and December 31, 2020</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:CommonStockValue" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:CommonStockValue" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_400_eus-gaap--AdditionalPaidInCapital_i01I_maCzo3y_maSEzGI6_zWHk7W05cGE9" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Additional paid-in capital</td><td>&#160;</td>
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<tr id="xdx_404_eus-gaap--LiabilitiesAndStockholdersEquity_i01TI_mtLASEzLg5_zDBEIg6XaVz5" style="vertical-align: bottom; background-color: White">
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"></p>

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

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

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


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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>PIONEER
POWER SOLUTIONS, INC.</b>&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="a006"></span>Consolidated
Statements of Cash Flows</b>&#160;</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>(Unaudited)</b></span></p>

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

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

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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-indent: 10pt">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_495_20210101__20210930_zZSASWkOC5t5" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_49A_20200101__20200930_zTN2TkqvIKJe" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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<tr style="vertical-align: bottom">
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<tr id="xdx_404_eus-gaap--NetIncomeLoss_i01_maCz94V_maNCPBUzBUy_maNCPBUz7ld_zsN3UDDMgZR8" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<tr id="xdx_40E_eus-gaap--Depreciation_i01_maCz94V_maNCPBUzBUy_maNCPBUz7ld_zMymk0wkJ3r7" style="vertical-align: bottom; background-color: White">
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<tr id="xdx_406_ecustom--AmortizationOfImputedInterest_i01_maNCPBUz7ld_zLwY2m5XWhZg" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Amortization of imputed interest</td><td>&#160;</td>
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<tr id="xdx_400_eus-gaap--InterestExpenseDebt_i01_maNCPBUz7ld_zsvjNxGqg2C" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 10pt">Interest expense from PPP Loan</td><td>&#160;</td>
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<tr id="xdx_40B_ecustom--NonCashCostOfOperatingLeases_i01_maNCPBUz7ld_zxm3T3kSQ2Ch" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Non-cash cost of operating leases</td><td>&#160;</td>
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<tr id="xdx_40D_eus-gaap--ProvisionForDoubtfulAccounts_i01_maNCPBUz7ld_zAd1RgOuSzz3" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<tr id="xdx_405_ecustom--ChangeInLongTermPayables_i01N_di_msNCPBUz7ld_zeyAwMQmrGv2" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 10pt">Change in long term payables</td><td>&#160;</td>
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<tr id="xdx_40D_ecustom--ProceedsFromInsuranceReceivable_i01_maNCPBUz7ld_z2bWvvXKGVs6" style="vertical-align: bottom; background-color: White">
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<tr id="xdx_40D_eus-gaap--UnrealizedGainLossOnInvestments_i01N_di_msNCPBUz7ld_zm5JT4TKymI9" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<tr id="xdx_405_eus-gaap--ShareBasedCompensation_i01_maNCPBUz7ld_zIlg4mpcVPU7" style="vertical-align: bottom; background-color: White">
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<tr id="xdx_400_ecustom--PayrollTaxDeferral_i01_maNCPBUz7ld_zKGpy9Zqb422" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 10pt">Payroll tax deferral</td><td>&#160;</td>
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<tr id="xdx_40F_eus-gaap--IncreaseDecreaseInOperatingCapitalAbstract_i01B_zMvE4YUB7CEb" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Changes in current operating assets and liabilities:</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>
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<tr id="xdx_409_eus-gaap--IncreaseDecreaseInAccountsReceivable_i02N_di_msNCPBUz7ld_zQsmICx88j8l" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 20pt">Accounts receivable</td><td>&#160;</td>
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<tr id="xdx_40A_eus-gaap--IncreaseDecreaseInInventories_i02N_di_msNCPBUz7ld_zdiFi7aqSr58" style="vertical-align: bottom; background-color: White">
    <td style="text-indent: 20pt">Inventories</td><td>&#160;</td>
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<tr id="xdx_400_eus-gaap--IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_i02N_di_msNCPBUz7ld_zgiQXk1V9f3e" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 20pt">Prepaid expenses and other assets</td><td>&#160;</td>
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<tr id="xdx_400_eus-gaap--IncreaseDecreaseInAccruedIncomeTaxesPayable_i02_maNCPBUz7ld_zbIWbOQtgr32" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 20pt">Income taxes</td><td>&#160;</td>
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<tr id="xdx_400_eus-gaap--IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_i02_maNCPBUz7ld_zP9E7IQYiC6e" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 20pt">Accounts payable and accrued liabilities</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">541</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
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<tr id="xdx_401_eus-gaap--IncreaseDecreaseInDeferredRevenue_i02_maNCPBUz7ld_zwzcPBOQwZZa" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 20pt">Deferred revenue</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"><ix:nonFraction name="us-gaap:IncreaseDecreaseInDeferredRevenue" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,549</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_40B_eus-gaap--NetCashProvidedByUsedInOperatingActivities_i01T_mtNCPBUz7ld_maCCERCz28w_zbLszg0Gqvh7" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 40pt">Net cash provided by/ (used in) operating activities</td><td>&#160;</td>
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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-indent: 10.05pt">&#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 id="xdx_40E_eus-gaap--NetCashProvidedByUsedInInvestingActivitiesAbstract_iB_zeNTzUhRYAfc" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-weight: bold; text-align: left">Investing activities</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 id="xdx_408_eus-gaap--PaymentsToAcquirePropertyPlantAndEquipment_i01N_di_msNCPBUzj2e_zT6NPYbqonf" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Additions to property, plant and equipment</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:PaymentsToAcquirePropertyPlantAndEquipment" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">156</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0346">&#8212;</span></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_408_eus-gaap--ProceedsFromSaleOfInvestmentProjects_i01_maNCPBUzj2e_z3moxyUhxd9f" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 10pt">Proceeds from sale of investments</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0348">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
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<tr id="xdx_402_ecustom--ChangeInNoteReceivable_i01_maNCPBUzj2e_zeCAJdy96bDb" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 10pt">Change in notes receivable</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"><span style="-sec-ix-hidden: xdx2ixbrl0351">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><ix:nonFraction name="ppsi:ChangeInNoteReceivable" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">194</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr id="xdx_402_eus-gaap--NetCashProvidedByUsedInInvestingActivities_i01T_mtNCPBUzj2e_maCCERCz28w_zoLTjsD6EKGf" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 30pt">Net cash (used in) / provided by investing activities</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:NetCashProvidedByUsedInInvestingActivities" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">156</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-indent: 10.05pt">&#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 id="xdx_405_eus-gaap--NetCashProvidedByUsedInFinancingActivitiesAbstract_iB_zOYeDACftOk8" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="font-weight: bold; text-align: left">Financing activities</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 id="xdx_40F_eus-gaap--ProceedsFromRepaymentsOfBankOverdrafts_i01_maNCPBUzMh0_zD9JNt5nmomk" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Bank overdrafts</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0360">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:ProceedsFromRepaymentsOfBankOverdrafts" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">374</ix:nonFraction></td><td style="text-align: left">)</td></tr>
<tr id="xdx_408_eus-gaap--ProceedsFromIssuanceOfOtherLongTermDebt_i01_maNCPBUzMh0_zJDHhMrLrMve" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 10pt">Funding from PPP Loan</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0363">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:ProceedsFromIssuanceOfOtherLongTermDebt" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,404</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_400_ecustom--PaymentOfDeferredPurchasePrice_i01N_di_msNCPBUzMh0_zPv4e9nLCLRd" style="vertical-align: bottom; background-color: White">
    <td style="text-indent: 10pt">Payment of deferred purchase price</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0366">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="ppsi:PaymentOfDeferredPurchasePrice" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">397</ix:nonFraction></td><td style="text-align: left">)</td></tr>
<tr id="xdx_40E_eus-gaap--PaymentsOfDividends_i01N_di_msNCPBUzMh0_z9Y7eDTOqqBi" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; text-indent: 10pt">Dividend paid to shareholders</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:PaymentsOfDividends" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,047</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0370">&#8212;</span></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_40A_eus-gaap--ProceedsFromRepaymentsOfOtherLongTermDebt_i01_maNCPBUzMh0_zkXChzQokoY" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Gain on forgiveness of PPP Loan</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:ProceedsFromRepaymentsOfOtherLongTermDebt" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">1,417</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0373">&#8212;</span></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_40C_eus-gaap--FinanceLeasePrincipalPayments_i01N_di_msNCPBUzMh0_zPxJJ8XGFWq9" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 10pt">Principal repayments of financing leases</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">(<ix:nonFraction name="us-gaap:FinanceLeasePrincipalPayments" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">639</ix:nonFraction></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">(<ix:nonFraction name="us-gaap:FinanceLeasePrincipalPayments" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">517</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">)</td></tr>
<tr id="xdx_40E_eus-gaap--NetCashProvidedByUsedInFinancingActivities_i01T_mtNCPBUzMh0_maCCERCz28w_z81dqkqgKQj2" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 30pt">Net cash (used in) / provided by financing activities</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:NetCashProvidedByUsedInFinancingActivities" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">3,103</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:NetCashProvidedByUsedInFinancingActivities" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">116</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <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 id="xdx_404_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_mtCCERCz28w_zGLfOuh40jN7" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">(Decrease) / increase in cash and restricted cash</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2,420</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,418</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_40F_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iS_zoUGDy2FMc97" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 10pt">Cash, and restricted cash, beginning of year</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"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,567</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" contextRef="AsOf2019-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">8,213</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr id="xdx_404_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iE_zCWU1Ag06y9a" style="vertical-align: bottom; background-color: White">
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"></p>

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

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

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

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

<!-- Field: Page; Sequence: 6; Value: 1 -->
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">&#160;<br /></span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>PIONEER
POWER SOLUTIONS, INC.</b>&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="a007"></span>Consolidated
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>(In
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>(Unaudited)</b></span></p>

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

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

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<tr id="xdx_431_c20210701__20210930_eus-gaap--StockholdersEquity_iS_zP1t4geUnEYh" style="vertical-align: bottom; background-color: White">
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<tr id="xdx_437_c20210701__20210930_eus-gaap--StockholdersEquity_iE_ziUuftaLKmX3" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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</table>



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

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

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

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

<table cellpadding="0" cellspacing="0" id="xdx_307_114_pn3n3_zY64DHsJpO15" summary="xdx: Statement - Consolidated Statement of Stockholders&apos; Equity (Unaudited)" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 100%">
<tr style="vertical-align: bottom">
    <td>&#160;</td><td>&#160;</td>
    <td colspan="2">&#160;</td><td>&#160;</td><td>&#160;</td>
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    <td id="xdx_4BE_us-gaap--StatementEquityComponentsAxis_us-gaap--RetainedEarningsMember_z0L4h0Qb0zVf">&#160;</td><td>&#160;</td><td>&#160;</td>
    <td>&#160;</td>
    <td id="xdx_4BC_zfi9N0xNQlkj">&#160;</td><td>&#160;</td></tr>
<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><td style="font-weight: bold">&#160;</td>
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    <td colspan="2">&#160;</td><td>&#160;</td><td style="font-weight: bold">&#160;</td>
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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">income</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_439_c20200101__20200930_eus-gaap--StockholdersEquity_iS_zANpHVh4LBC7" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 34%; font-weight: bold">Balance - January 1, 2020 (Revised)</td><td style="width: 1%">&#160;</td>
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    <td style="width: 1%; text-align: left">$</td><td style="width: 8%; text-align: right"><ix:nonFraction name="us-gaap:StockholdersEquity" contextRef="AsOf2019-12-31_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">9</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 8%; text-align: right"><ix:nonFraction name="us-gaap:StockholdersEquity" contextRef="AsOf2019-12-31_us-gaap_AdditionalPaidInCapitalMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">23,978</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 8%; text-align: right"><ix:nonFraction name="us-gaap:StockholdersEquity" contextRef="AsOf2019-12-31_us-gaap_AccumulatedOtherComprehensiveIncomeMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">14</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 8%; text-align: right">(<ix:nonFraction name="us-gaap:StockholdersEquity" contextRef="AsOf2019-12-31_us-gaap_RetainedEarningsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">7,159</ix:nonFraction></td><td style="width: 1%; text-align: left">)</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 8%; text-align: right"><ix:nonFraction name="us-gaap:StockholdersEquity" contextRef="AsOf2019-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">16,842</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr id="xdx_43F_c20200101__20200930_eus-gaap--NetIncomeLoss_z7k9Am5NiUh" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; text-indent: 10pt">Net loss</td><td>&#160;</td>
    <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"><span style="-sec-ix-hidden: xdx2ixbrl0455">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0456">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0457">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2020-01-012020-09-30_us-gaap_RetainedEarningsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2,242</ix:nonFraction></td><td style="text-align: left">)</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(<ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">2,242</ix:nonFraction></td><td style="text-align: left">)</td></tr>
<tr id="xdx_439_c20200101__20200930_eus-gaap--AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_zLFm3UAuW1X4" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; text-indent: 10pt">Stock-based compensation</td><td style="padding-bottom: 1pt">&#160;</td>
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    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0461">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><ix:nonFraction name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" contextRef="From2020-01-012020-09-30_us-gaap_AdditionalPaidInCapitalMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><span style="-sec-ix-hidden: xdx2ixbrl0463">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><span style="-sec-ix-hidden: xdx2ixbrl0464">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><ix:nonFraction name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
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<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td>&#160;</td><td>&#160;</td>
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<tr id="xdx_437_c20210101__20210930_eus-gaap--StockholdersEquity_iS_zqV8D2rWmXik" style="vertical-align: bottom; background-color: White">
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<tr id="xdx_430_c20210101__20210930_eus-gaap--NetIncomeLoss_zyDgxbOf8Ia1" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<tr id="xdx_43D_c20210101__20210930_eus-gaap--Dividends_iNP3us-gaap--AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_di_zgN3bVWI9CA6" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<tr id="xdx_430_c20210101__20210930_eus-gaap--StockholdersEquity_iE_zUS5n0oHU6ae" style="vertical-align: bottom; background-color: White">
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</table>



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

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

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


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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>PIONEER
POWER SOLUTIONS, INC.</b>&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="a008"></span>Notes
to Consolidated Financial Statements</b>&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
30, 2021 (Unaudited)</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:BasisOfAccounting"><p id="xdx_80F_eus-gaap--BasisOfAccounting_zOTvIu9CXWN8" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>1.
<span id="xdx_822_zFrdNAKcRhth">BASIS OF PRESENTATION</span></b></span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Pioneer
Power Solutions, Inc. and its wholly owned subsidiaries (referred to herein as the &#8220;Company,&#8221; &#8220;Pioneer Power,&#8221;
&#8220;we,&#8221; &#8220;our&#8221; and &#8220;us&#8221;) manufacture, sell and service a broad range of specialty electrical
infrastructure and on-site power generation equipment for applications in the utility, industrial, commercial and backup power
markets. Our principal products and services include switchgear and engine-generator controls, complemented by a national field-service
network to maintain and repair power generation assets. The Company is headquartered in Fort Lee, New Jersey and operates from
<span id="xdx_90D_ecustom--NumberOfAdditionalLocations_dc_c20210101__20210930_ze8w4w0VIK5j"><ix:nonFraction name="ppsi:NumberOfAdditionalLocations" contextRef="From2021-01-01to2021-09-30" format="ixt-sec:numwordsen" decimals="INF" unitRef="Number">three</ix:nonFraction></span> (3) additional locations in the U.S. for manufacturing, service and maintenance, engineering, sales and administration.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
have <span id="xdx_904_eus-gaap--NumberOfReportableSegments_dc_uNumber_c20210101__20210930_zWC367pqFmY" title="Number of reportable segments"><ix:nonFraction name="us-gaap:NumberOfReportableSegments" contextRef="From2021-01-01to2021-09-30" format="ixt-sec:numwordsen" decimals="INF" unitRef="Number">two</ix:nonFraction></span> reportable segments as defined in our Annual Report on Form 10-K for the year ended December 31, 2020, as filed with
the Securities and Exchange Commission (the &#8220;SEC&#8221;) on March 30, 2021: Transmission and Distribution Solutions (&#8220;T&amp;D
Solutions&#8221;) and Critical Power Solutions (&#8220;Critical Power&#8221;).</span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
accompanying unaudited interim consolidated financial statements of the Company have been prepared pursuant to the rules of the
SEC and reflect the accounts of the Company as of September 30, 2021. Certain information and footnote disclosures, normally included
in annual financial statements prepared in accordance with accounting principles generally accepted in the United States (&#8220;U.S.
GAAP&#8221;), have been condensed or omitted pursuant to those rules and regulations. We believe that the disclosures made are
adequate to make the information presented not misleading to the reader. In the opinion of management, all adjustments, consisting
only of normal recurring adjustments, necessary to fairly state the financial position, results of operations and cash flows with
respect to the interim consolidated financial statements have been included. The results of operations for the interim period
are not necessarily indicative of the results for the entire fiscal year. The year-end balance sheet data was derived from audited
financial statements but does not include all disclosures required by U.S. GAAP for a year-end balance sheet.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">All
dollar amounts (except share and per share data) presented in the notes to our unaudited interim consolidated financial statements
are stated in thousands of dollars, unless otherwise noted. Amounts may not foot due to rounding. ASC 740-270 requires the use
of an estimated annual effective tax rate to compute the tax provision during an interim period unless certain exceptions are
met. We have used a discrete-period computation method to calculate taxes for the fiscal three and nine month periods ended September
30, 2021. Due to operating losses, the Company has determined that it is unable to reliably estimate its annual effective tax
rate.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">These
unaudited interim consolidated financial statements include the accounts of Pioneer Power and its wholly-owned subsidiaries. All
significant intercompany accounts and transactions have been eliminated in consolidation.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">These
unaudited interim consolidated financial statements should be read in conjunction with the risk factors under the heading &#8220;Part
II - Item 1A. Risk Factors&#8221; and the risk factors and the audited consolidated financial statements and notes thereto of
the Company and its subsidiaries included in the Company&#8217;s Annual Report on Form 10-K for the year ended December 31, 2020.</span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
accompanying financial statements have been prepared on a basis, which contemplates the realization of assets and the satisfaction
of liabilities in the normal course of business. As shown in the accompanying financial statements as of the nine months ended
September 30, 2021, the Company had $<span id="xdx_902_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn5n6_c20210930_zK8Nm6RiDM59" title="Cash"><ix:nonFraction name="us-gaap:CashAndCashEquivalentsAtCarryingValue" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">3.4</ix:nonFraction></span> million of cash on hand and working capital of $<span id="xdx_90D_ecustom--WorkingCapital_iI_pn5n6_c20210930_zmOEYKB8Re21"><ix:nonFraction name="ppsi:WorkingCapital" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">5.7</ix:nonFraction></span> million. The cash on hand was generated
primarily from the completion of the sale of the transformer business units during the year ended December 31, 2019, proceeds
from the sale of the CleanSpark Common Stock (as defined herein) and warrants to purchase CleanSpark Common Stock, proceeds from
insurance and the funding from the Paycheck Protection Program recognized during the year ended December 31, 2020. We have historically
met our cash needs through a combination of cash flows from operating activities and bank borrowings. Our cash requirements historically
were for operating activities, debt repayment and capital improvements. As all outstanding amounts under our credit facilities
were paid in full during the year ended December 31, 2019, and the credit facilities terminated, we expect to meet our cash needs
with our working capital and cash flows from our operating activities. We expect our cash requirements to be generally for operating
activities and capital improvements. The Company expects that its current cash balance is sufficient to fund operations for the
next twelve months.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
<span id="xdx_90A_eus-gaap--DividendsPayableDateDeclaredDayMonthAndYear_dd_c20210531__20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_zVeMcqcHTUNc" title="Dividend date declared"><ix:nonNumeric contextRef="From2021-05-312021-06-01_us-gaap_DividendDeclaredMember" format="ixt:datemonthdayyearen" name="us-gaap:DividendsPayableDateDeclaredDayMonthAndYear">June 1, 2021</ix:nonNumeric></span>, the board of directors of the Company declared a special cash dividend of $<span id="xdx_90F_eus-gaap--DividendsPayableAmountPerShare_iI_pip0_uUSDPShares_c20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_zerXVmkPResh" title="Dividend amount (in dollars per share)"><ix:nonFraction name="us-gaap:DividendsPayableAmountPerShare" contextRef="AsOf2021-06-01_us-gaap_DividendDeclaredMember" format="ixt:numdotdecimal" decimals="INF" scale="0" unitRef="USDPShares">0.12</ix:nonFraction></span> per common share, payable to shareholders
of record as of <span id="xdx_906_eus-gaap--DividendsPayableDateOfRecordDayMonthAndYear_dd_c20210531__20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_z2NhniwZRM83" title="Dividend record date"><ix:nonNumeric contextRef="From2021-05-312021-06-01_us-gaap_DividendDeclaredMember" format="ixt:datemonthdayyearen" name="us-gaap:DividendsPayableDateOfRecordDayMonthAndYear">June 22, 2021</ix:nonNumeric></span>, to be paid on <span id="xdx_908_eus-gaap--DividendPayableDateToBePaidDayMonthAndYear_dd_c20210531__20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_zxmaJUpwXFug" title="Dividend payment date"><ix:nonNumeric contextRef="From2021-05-312021-06-01_us-gaap_DividendDeclaredMember" format="ixt:datemonthdayyearen" name="us-gaap:DividendPayableDateToBePaidDayMonthAndYear">July 7, 2021</ix:nonNumeric></span>. The Cash dividends were paid in July of 2021 and equaled $<span id="xdx_909_eus-gaap--DividendsPayableAmountPerShare_iI_pip0_uUSDPShares_c20210707__us-gaap--DividendsAxis__us-gaap--DividendPaidMember_zxDOXuo518J6"><ix:nonFraction name="us-gaap:DividendsPayableAmountPerShare" contextRef="AsOf2021-07-07_us-gaap_DividendPaidMember" format="ixt:numdotdecimal" decimals="INF" scale="0" unitRef="USDPShares">0.12</ix:nonFraction></span> per
share on the $<span id="xdx_900_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pip0_uUSDPShares_c20210707__us-gaap--DividendsAxis__us-gaap--DividendPaidMember_zLR2LwozzGf5" title="Common stock, par value (in dollars per share)"><ix:nonFraction name="us-gaap:CommonStockParOrStatedValuePerShare" contextRef="AsOf2021-07-07_us-gaap_DividendPaidMember" format="ixt:numdotdecimal" decimals="INF" scale="0" unitRef="USDPShares">0.001</ix:nonFraction></span> par value common stock resulting in an aggregate distribution of approximately $<span id="xdx_90D_eus-gaap--PaymentsOfDividends_pn5n6_c20210706__20210707__us-gaap--DividendsAxis__us-gaap--DividendPaidMember_zESLqSSY7xpl" title="Dividend paid"><ix:nonFraction name="us-gaap:PaymentsOfDividends" contextRef="From2021-07-062021-07-07_us-gaap_DividendPaidMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.0</ix:nonFraction></span> million representing a
capital repayment paid from additional paid-in capital (&#8220;APIC&#8221;).</span></p>

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

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

<ix:exclude><!-- Field: Page; Sequence: 8; Value: 1 -->
    <div style="border-bottom: Black 1pt solid; margin-top: 6pt; margin-bottom: 6pt"><p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->6<!-- Field: /Sequence --></p></div>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">During
the first quarter of 2021, the Company executed a cash collateral security agreement with a commercial bank, which agreement required
us to pledge cash collateral as security for all unpaid reimbursement obligations owing to the commercial bank for an irrevocable
standby letter of credit in the amount of $<span id="xdx_907_eus-gaap--LettersOfCreditOutstandingAmount_iI_pn5n6_c20210930_zBSQalAdMVZh" title="Irrevocable standby letter of credit"><ix:nonFraction name="us-gaap:LettersOfCreditOutstandingAmount" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.8</ix:nonFraction></span> million. As a result of executing the cash collateral security agreement, the Company
recognized approximately $<span id="xdx_90A_eus-gaap--RestrictedCash_iI_pn3n3_dxL_c20210930_zDzVjnY2Socb" title="Restricted cash::XDX::1775"><span style="-sec-ix-hidden: xdx2ixbrl0535">1.8</span></span> million of restricted cash within the consolidated balance sheet at September 30, 2021.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">In
November 2016, the FASB issued amended guidance to ASU No. 2016-18, Statement of Cash Flows - Restricted Cash (Topic 230), which
requires the statement of cash flows to explain the change during the period in the total of cash, cash equivalents, and restricted
cash and that restricted cash be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period
total amounts shown on the statement of cash flows.</span></p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="ppsi:ReconciliationOfCashAndRestrictedCashTableTextBlock"><p id="xdx_899_ecustom--ReconciliationOfCashAndRestrictedCashTableTextBlock_z7E4euoL2frl" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BE_zwPOctP2eWme">The
following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum
to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows:</span></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"></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="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_49A_20210930_ze4PCG3pugb1" style="font-weight: bold; text-align: center">September 30,</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_499_20201231_zPW6JLcqysMc" style="font-weight: bold; text-align: center">December 31,</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_40A_eus-gaap--Cash_iI_pn3n3_maCCERCzUVz_maCCERCz7Wp_zV1MzPXh1Eh3" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 54%">Cash</td><td style="width: 1%">&#160;</td>
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    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><ix:nonFraction name="us-gaap:Cash" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,567</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr id="xdx_405_eus-gaap--RestrictedCash_iI_pn3n3_maCCERCzUVz_maCCERCz7Wp_zKHUQjh7E8C3" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt">Restricted cash</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; text-align: right"><ix:nonFraction name="us-gaap:RestrictedCash" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,775</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0543">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr id="xdx_402_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iTI_pn3n3_mtCCERCzUVz_mtCCERCz7Wp_z56lGOPB4Fr1" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total cash and restricted cash as shown in the statement of cash flows</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,147</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</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"><ix:nonFraction name="us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,567</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
</table>

</ix:nonNumeric><p id="xdx_8AC_zdPf68jy9m9k" style="margin-top: 0; margin-bottom: 0">&#160;<span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
January 30, 2020, the World Health Organization (&#8220;WHO&#8221;) announced a global health emergency because of a new strain
of coronavirus originating in Wuhan, China and the risks to the international community as the virus spreads globally beyond its
point of origin. In March 2020, the WHO classified the COVID-19 outbreak as a pandemic (the &#8220;COVID-19 pandemic&#8221;),
based on the rapid increase in exposure globally.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
full impact of the COVID-19 pandemic continues to evolve as the date of this report. As such, it is uncertain as to the full magnitude
that the pandemic will have on the Company&#8217;s financial condition, liquidity, and future results of operations. During the
three months ended September 30, 2021, the Company experienced an impact to productivity as a result of following social distancing
guidelines and practicing personal protective measures. Notwithstanding, the Company has been able to operate substantially at
capacity during the COVID-19 pandemic. Management is actively monitoring the global situation on its financial condition, liquidity,
operations, suppliers, industry, and workforce. Given the daily evolution of the COVID-19 pandemic and the global responses to
contain its spread, the Company is not able to estimate the full effects of the COVID-19 pandemic at this time, however, if the
pandemic continues, it may continue to have an adverse effect on the Company&#8217;s results of operations, financial condition,
or liquidity.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
March 27, 2020, then President Trump signed into law the &#8220;Coronavirus Aid, Relief, and Economic Security (CARES) Act&#8221;
(the &#8220;CARES Act&#8221;) The CARES Act, among other things, appropriates funds for the SBA Paycheck Protection Program loans
that are forgivable in certain situations to promote continued employment. On April 13, 2020, after having determined that it
met the qualifications for this loan program due to the impact that COVID-19 would have on our financial condition, results of
operations, and/or liquidity and applying for relief, the Company received a loan under the SBA Paycheck Protection Program (the
&#8220;PPP Loan&#8221;) in the amount of $<span id="xdx_909_eus-gaap--DebtInstrumentFaceAmount_iI_pn5n6_c20200413__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNXWAWHqijG1" title="Loan face value"><ix:nonFraction name="us-gaap:DebtInstrumentFaceAmount" contextRef="AsOf2020-04-13_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.4</ix:nonFraction> </span>million. The Company accounted for the PPP Loan as a debt instrument in accordance
with FASB ASC 470, Debt.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Under
the terms of the PPP Loan, the Company was eligible for full or partial loan forgiveness. During the first quarter of 2021, the
Company received full forgiveness of the PPP Loan and recognized a $<span id="xdx_906_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pn5n6_c20210101__20210331__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNDLyYeSb9nb" title="Gain on extinguishment of debt"><ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2021-01-012021-03-31_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.4</ix:nonFraction></span> million gain on extinguishment and forgiveness of debt
as other income in the unaudited interim consolidated statements of operations.</span></p>

</ix:nonNumeric><p id="xdx_811_zMlP7C3WXvcf" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

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

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    <div style="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><p style="margin: 0pt">&#160;</p></div>
    <!-- Field: /Page -->

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:SignificantAccountingPoliciesTextBlock"><p id="xdx_804_eus-gaap--SignificantAccountingPoliciesTextBlock_zehgIyrOtkg7" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>2.
<span id="xdx_82D_znwrxuVG1dM5">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company&#8217;s significant accounting policies are described in Note 2 to the audited consolidated financial statements included
in the Company&#8217;s Annual Report on Form 10-K for the year ended December 31, 2020. There have been no significant changes
in the Company&#8217;s accounting policies during the third quarter of 2021.&#160;</span></p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock"><p id="xdx_841_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zvueouz8enYc" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="xdx_860_zMp9hVrAfSo">Recent
Accounting Pronouncements</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">There
have been no recent accounting pronouncements not yet adopted by the Company which would have a material impact on the Company&#8217;s
financial statements.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Income
Taxes</i>. In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (Topic 740), which simplifies the accounting for income
taxes by removing certain exceptions to the general principles in Topic 740 and also clarifies and amends existing guidance to
improve consistent application. The ASU is effective for all annual and interim periods beginning December 15, 2020, with early
adoption permitted. The Company adopted this guidance on January 1, 2021. The adoption of this ASU did not have a material impact
on the consolidated financial statements.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Fair
Value Measurement</i>. In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework
- Changes to the Disclosure Requirements for Fair Value Measurement that eliminates, amends, and adds certain disclosure requirements
for fair value measurements. The Company adopted this guidance on January 1, 2020. The adoption of this ASU did not have a material
impact on the consolidated financial statements.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Measurement
of Credit Losses on Financial Instrument</i>. In June 2016, the FASB issued amended guidance to ASU No. 2016-13, Financial Instruments
- Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments that changes the impairment model for most
financial assets and certain other instruments. For trade and other receivables, held-to-maturity debt securities, loans and other
instruments, entities will be required to use a new forward-looking &#8220;expected loss&#8221; model that will replace today&#8217;s
&#8220;incurred loss&#8221; model and generally will result in the earlier recognition of allowances for losses. For available-for-sale
debt securities with unrealized losses, entities will measure credit losses in a manner similar to current practice, except that
the losses will be recognized as an allowance. This amended guidance for small reporting companies is effective for fiscal years
beginning after December 15, 2022, including interim periods within those fiscal years. Entities will apply the standard&#8217;s
provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first effective reporting period.
The Company does not expect that the amended guidance will have a material effect on our consolidated financial statements and
related disclosures.</span></p>

</ix:nonNumeric><p id="xdx_854_zfd5ogwY0J67" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><p id="xdx_812_zNqoxtbnzYok" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:FairValueDisclosuresTextBlock"><p id="xdx_80F_eus-gaap--FairValueDisclosuresTextBlock_zUzDidoBqyJg" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>3.
<span id="xdx_823_zbdprG7Fr1K6">FAIR VALUE MEASUREMENTS</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">ASC
820, Fair Value Measurements and Disclosures (&#8220;ASC 820&#8221;), defines fair value as the price that would be received to
sell an asset, or paid to transfer a liability, in the principal or most advantageous market in an orderly transaction between
market participants on the measurement date. The fair value standard also establishes a three level hierarchy, which requires
an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The
valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability on the measurement date.
The three levels are defined as follows:</span></p>

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

<table 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="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Level
                                         1 - inputs to the valuation methodology are quoted prices (unadjusted) for an identical
                                         asset or liability in an active market.</span></td></tr></table>

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

<table 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="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Level
                                         2 - inputs to the valuation methodology include quoted prices for a similar asset or
                                         liability in an active market or model derived valuations in which all significant inputs
                                         are observable for substantially the full term of the asset or liability.</span></td></tr></table>

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

<table 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="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Level
                                         3 - inputs to the valuation methodology are unobservable and significant to the fair
                                         value measurement of the asset or liability.</span></td></tr></table>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
January 22, 2019, Pioneer Critical Power, Inc., a Delaware corporation, and a wholly-owned subsidiary of the Company within the
T&amp;D Solutions segment, entered into an Agreement and Plan of Merger with CleanSpark and CleanSpark Acquisition, Inc., a Delaware
corporation, which resulted in the Company receiving financial instruments that included the right to receive (i) <span id="xdx_90B_eus-gaap--ConversionOfStockSharesIssued1_pid_c20190121__20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zF7Mq43dO7K2" title="Number of shares converted"><ix:nonFraction name="us-gaap:ConversionOfStockSharesIssued1" contextRef="From2019-01-212019-01-22_custom_CleanSparkMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">175,000</ix:nonFraction></span> shares
of CleanSpark Common Stock (&#8220;CleanSpark Common Stock&#8221;), (ii) a <span id="xdx_902_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dxL_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant1Member_z3opXX4XzCbl" title="Warrant term::XDX::P5Y"><span style="-sec-ix-hidden: xdx2ixbrl0560">five</span></span>-year warrant to purchase <span id="xdx_90C_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pid_uShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant1Member_zowXvHh6jkt2" title="Number of shares called by warrant"><ix:nonFraction name="us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" contextRef="AsOf2019-01-22_custom_CleanSparkMember_custom_Warrant1Member" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">50,000</ix:nonFraction></span> shares of CleanSpark
Common Stock at an exercise price of $<span id="xdx_907_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pid_uUSDPShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant1Member_zSR8ZAigKqik" title="Warrant exercise price"><ix:nonFraction name="us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" contextRef="AsOf2019-01-22_custom_CleanSparkMember_custom_Warrant1Member" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">16.00</ix:nonFraction></span> per share, and (iii) a <span id="xdx_90D_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dxL_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant2Member_zgXNrzL9JjPf" title="::XDX::P5Y"><span style="-sec-ix-hidden: xdx2ixbrl0565">five</span></span>-year warrant to purchase <span id="xdx_90E_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pii_uShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant2Member_zk4RFP4ZfTC"><ix:nonFraction name="us-gaap:ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights" contextRef="AsOf2019-01-22_custom_CleanSparkMember_custom_Warrant2Member" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">50,000</ix:nonFraction></span> shares of CleanSpark Common
Stock at an exercise price of $<span id="xdx_90F_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pii_uUSDPShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant2Member_zr86mgYMLUv3"><ix:nonFraction name="us-gaap:ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1" contextRef="AsOf2019-01-22_custom_CleanSparkMember_custom_Warrant2Member" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">20.00</ix:nonFraction></span> per share. The share quantities and exercise prices of warrants reflect the <span id="xdx_906_eus-gaap--StockholdersEquityReverseStockSplit_c20191201__20191231__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zuTkc9Hkl332" title="Reverse stock split"><ix:nonNumeric contextRef="From2019-12-012019-12-31_custom_CleanSparkMember_us-gaap_CommonStockMember" name="us-gaap:StockholdersEquityReverseStockSplit">10:1 reverse
stock split</ix:nonNumeric></span> which was completed by CleanSpark in December 2019.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">During
the three months ended September 30, 2020, the Company sold all of the CleanSpark Common Stock and warrants to purchase CleanSpark
Common Stock it received in connection with the Merger Agreement and recorded proceeds of $<span id="xdx_904_eus-gaap--ProceedsFromSaleOfEquitySecuritiesFvNi_pn5n6_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zdcikv7deBye" title="Proceeds from sale"><ix:nonFraction name="us-gaap:ProceedsFromSaleOfEquitySecuritiesFvNi" contextRef="From2020-07-012020-09-30_custom_CleanSparkMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">2.4</ix:nonFraction></span> million. The gain from the sale
was partially offset by a mark to market adjustment of $<span id="xdx_90F_eus-gaap--EquitySecuritiesFvNiUnrealizedLoss_pn3n3_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zUw7nYp03833" title="Unrealized mark to market adjustment"><ix:nonFraction name="us-gaap:EquitySecuritiesFvNiUnrealizedLoss" contextRef="From2020-07-012020-09-30_custom_CleanSparkMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">700</ix:nonFraction></span> and $<span id="xdx_902_eus-gaap--EquitySecuritiesFvNiUnrealizedLoss_pn5n6_c20200101__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zkGbX1Wv79Ba"><ix:nonFraction name="us-gaap:EquitySecuritiesFvNiUnrealizedLoss" contextRef="From2020-01-012020-09-30_custom_CleanSparkMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.4</ix:nonFraction></span> million resulting in a net gain of $<span id="xdx_906_eus-gaap--EquitySecuritiesFvNiGainLoss_pn5n6_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zyZhIv8mr6d8" title="Net gain"><ix:nonFraction name="us-gaap:EquitySecuritiesFvNiGainLoss" contextRef="From2020-07-012020-09-30_custom_CleanSparkMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.7</ix:nonFraction></span> million and $<span id="xdx_909_eus-gaap--EquitySecuritiesFvNiGainLoss_pn3n3_c20200101__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_z86LRZ3x2Ygk"><ix:nonFraction name="us-gaap:EquitySecuritiesFvNiGainLoss" contextRef="From2020-01-012020-09-30_custom_CleanSparkMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">968</ix:nonFraction></span>
for the three and nine months ended September 30, 2020, respectively, to other expense (income) in the accompanying statements
of operations. Warrants at fair value were previously recorded at inception as long term within other assets.</span></p>

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

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

<ix:exclude><!-- Field: Page; Sequence: 10; Value: 1 -->
    <div style="border-bottom: Black 1pt solid; margin-top: 6pt; margin-bottom: 6pt"><p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->8<!-- Field: /Sequence --></p></div>
    <div style="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><p style="margin: 0pt">&#160;</p></div>
    <!-- Field: /Page --></ix:exclude>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">No
changes in valuation techniques or inputs occurred during the nine months ended September 30, 2021 and 2020. No transfers of assets
between Level 1 and Level 2 of the fair value measurement hierarchy occurred during the nine months ended September 30, 2021 and
2020.</span></p>

</ix:nonNumeric><p id="xdx_81C_zS0zJzEmrgZj" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:RevenueFromContractWithCustomerTextBlock"><p id="xdx_80E_eus-gaap--RevenueFromContractWithCustomerTextBlock_zKQ5MEun2Adf" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>4.
<span><span id="xdx_82E_z8bCqr1zEil2">REVENUES</span></span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>Nature
of our products and services</b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
principal products and services include switchgear and engine-generator controls, complemented by a national field-service network
to maintain and repair power generation assets.</span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
provide a portfolio of distributed generation products, including switchgear that helps customers effectively and efficiently
manage their electrical power distribution systems to desired specifications and allows for flexibility to combine a wide variety
of distributed energy resources in a compact, integrated package.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Additionally,
we provide our customers with new and used sophisticated power generation equipment intended to ensure smooth, uninterrupted power
to operations during times of emergency.</span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Power
generation systems represent considerable investments that require proper maintenance and service in order to operate reliably
during a time of emergency. Our&#160;power maintenance programs provide&#160;preventative maintenance, repair and support service
for our customers&#8217; power generation systems.&#160;</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
principal source of revenue is derived from sales of products and fees for services. We measure revenue based upon the consideration
specified in the customer arrangement, and revenue is recognized when the performance obligations in the customer arrangement
are satisfied. A performance obligation is a promise in a contract to transfer a distinct product or service to the customer.
The transaction price of a contract is allocated to each distinct performance obligation and recognized as revenue when or as,
the customer receives the benefit of the performance obligation. Customers typically receive the benefit of our products when
the risk of loss or control for the product transfers to the customer and for services as they are performed. Under ASC 606, revenue
is recognized when a customer obtains control of promised products or services in an amount that reflects the consideration we
expect to receive in exchange for those products or services. To achieve this core principal, the Company applies the following
five steps:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">1)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Identify
the contract with a customer</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">A
contract with a customer exists when (i) the Company enters into an enforceable contract with a customer that defines each party&#8217;s
rights regarding the products or services to be transferred and identifies the payment terms related to these products or services,
(ii) the contract has commercial substance and, (iii) the Company determines that collection of substantially all consideration
for products or services that are transferred is probable based on the customer&#8217;s intent and ability to pay the promised
consideration. The Company applies judgment in determining the customer&#8217;s ability and intention to pay, which is based on
a variety of factors including the customer&#8217;s historical payment experience or, in the case of a new customer, published
credit and financial information pertaining to the customer.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">2)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Identify
the performance obligations in the contract</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Performance
obligations promised in a contract are identified based on the products or services that will be transferred to the customer that
are both capable of being distinct, whereby the customer can benefit from the product or service either on its own or together
with other resources that are readily available from third parties or from the Company, and are distinct in the context of the
contract, whereby the transfer of the products or services is separately identifiable from other promises in the contract. To
the extent a contract includes multiple promised products or services, the Company must apply judgment to determine whether promised
products or services are capable of being distinct and distinct in the context of the contract. If these criteria are not met
the promised products or services are accounted for as a combined performance obligation.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">3)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Determine
the transaction price</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
transaction price is determined based on the consideration to which the Company will be entitled in exchange for transferring
products or services to the customer. The customer payments are generally due in 30 days.</span></p>

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

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

<ix:exclude><!-- Field: Page; Sequence: 11; Value: 1 -->
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">4)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Allocate
the transaction price to performance obligations in the contract</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">If
the contract contains a single performance obligation, the entire transaction price is allocated to the single performance obligation.
Contracts that contain multiple performance obligations require an allocation of the transaction price to each performance obligation
based on a relative standalone selling price basis or cost of the product or service. The Company determines standalone selling
price based on the price at which the performance obligation is sold separately. If the standalone selling price is not observable
through past transactions, the Company estimates the standalone selling price taking into account available information such as
market conditions and internally approved pricing guidelines related to the performance obligations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">5)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Recognize
revenue when or as the Company satisfies a performance obligation</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company satisfies performance obligations either over time or at a point in time. Revenue is recognized at the time the related
performance obligation is satisfied by transferring a promised product or service to a customer.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Revenue
from the sale of our switchgear equipment is predominantly recognized at a point in time and substantially all of our revenue
from the sale of power generation equipment is recognized at a point in time. Revenues are recognized at the point in time that
the customer obtains control of the good which is when it has taken title to the products and has assumed the risks and rewards
of ownership specified in the purchase order or sales agreement. Certain sales of highly customized large switchgear equipment
are recognized over time when such equipment has no alternative use and the Company has an enforceable right to payment for performance
completed to date. Revenue for such agreements is recognized under the input method based on cost incurred relative to the estimated
cost expected to be consumed to complete the project.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">During
the three months ended September 30, 2021, the Company recognized $<span id="xdx_90C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zBFsFxvKz8Z8" title="Revenue"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-07-012021-09-30_us-gaap_TransferredOverTimeMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">262</ix:nonFraction></span> of revenue over time and incurred costs of $<span id="xdx_907_eus-gaap--CostsIncurredDevelopmentCosts_pn3n3_c20210701__20210930_zRyfu6x2v6P5" title="Contract costs incurred"><ix:nonFraction name="us-gaap:CostsIncurredDevelopmentCosts" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">227</ix:nonFraction></span> related
to a single contract. During the nine months ended September 30, 2021, the Company recognized $<span id="xdx_90D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn5n6_c20210101__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zaI07XHo9Jg"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-09-30_us-gaap_TransferredOverTimeMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">3.4</ix:nonFraction></span> million of revenue over time
and incurred costs of $<span id="xdx_900_eus-gaap--CostsIncurredDevelopmentCosts_pn5n6_c20210101__20210930_ztpWV0V9wbdf"><ix:nonFraction name="us-gaap:CostsIncurredDevelopmentCosts" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">3.1</ix:nonFraction></span> million related to a single contract. Additionally, the Company recognized $<span id="xdx_90A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn5n6_c20210701__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zFa0dRsqVVY1"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-07-012021-09-30_us-gaap_TransferredAtPointInTimeMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">3.4</ix:nonFraction></span> million and $<span id="xdx_90F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn5n6_c20210101__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zUhPZdldYlmd"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-012021-09-30_us-gaap_TransferredAtPointInTimeMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">6.0</ix:nonFraction></span> million
of revenue at a point in time from the sale of our switchgear and power generation equipment during the three and nine months
ended September 30, 2021, respectively. Service revenues include maintenance contracts that are recognized over time based on
the contract term and repair services which are recognized as services are delivered.</span></p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:DisaggregationOfRevenueTableTextBlock"><p id="xdx_894_eus-gaap--DisaggregationOfRevenueTableTextBlock_z3aIO3IBfiM2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BF_ztxElkvGgG8b">The
following table presents our revenues disaggregated by revenue discipline:</span></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"></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="vertical-align: bottom">
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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; width: 28%; vertical-align: bottom">Products</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zax9rqfvZ0Lg" style="width: 10%; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-07-012021-09-30_us-gaap_ProductMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,690</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200701__20200930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZsFmqxmvxN3" style="width: 10%; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-07-012020-09-30_us-gaap_ProductMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,918</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
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<tr style="vertical-align: bottom; background-color: White">
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    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zAFKDWWmCV93" style="border-bottom: Black 1pt solid; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-07-012021-09-30_us-gaap_ServiceMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,995</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zQ1HGMdnq8u4" style="border-bottom: Black 1pt solid; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-09-30_us-gaap_ServiceMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,877</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930_zQwVPWUuDZfe" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,685</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
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    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20210930_zTXEbduozOzl" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">14,813</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930_zVPrJuh4HWF9" title="Total revenue" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">14,138</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
</table>



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

</ix:nonNumeric><p id="xdx_8A1_zed9TBed8gvg" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">See
Note 12 - Business Segment and Geographic Information in Notes to Consolidated Financial Statements in Part I of this Form 10-Q.</span></p>

</ix:nonNumeric><p id="xdx_816_zeLly8YJGiTl" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock"><p id="xdx_80A_eus-gaap--OtherNonoperatingIncomeAndExpenseTextBlock_z9OMlm7RTW36" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>5.
<span id="xdx_82B_zuH1zrzKljw5">OTHER EXPENSE (INCOME)</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Other
expense (income) in the unaudited interim consolidated statements of operations reports certain gains and losses associated with
activities not directly related to our core operations. For the three months ended September 30, 2021, other expense was $<span id="xdx_90D_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_di_c20210701__20210930_zKlN0mhobsQ5" title="Other expense (income)"><ix:nonFraction name="us-gaap:OtherNonoperatingIncomeExpense" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">13</ix:nonFraction></span>,
as compared to other income of $<span id="xdx_907_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_dixL_c20200701__20200930_zSmuPAkCIptj" title="::XDX::-1%2C735"><span style="-sec-ix-hidden: xdx2ixbrl0607">1.7</span></span> million during the three months ended September 30, 2020. For the three months ended September
30, 2020, included in other income was a gain of $<span id="xdx_90D_eus-gaap--EquitySecuritiesFvNiGainLoss_pn5n6_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_z3EiyQkdunHa" title="Net gain"><ix:nonFraction name="us-gaap:EquitySecuritiesFvNiGainLoss" contextRef="From2020-07-012020-09-30_custom_CleanSparkMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.7</ix:nonFraction></span> million related to the sale of CleanSpark Common Stock and warrants.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the nine months ended September 30, 2021, other income was $<span id="xdx_90F_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_dixL_c20210101__20210930_z8d8pMnriGu6" title="::XDX::-1%2C294"><span style="-sec-ix-hidden: xdx2ixbrl0610">1.3</span></span> million, as compared to other income of $<span id="xdx_90F_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_dixL_c20200101__20200930_z2YaAB7bp1K5" title="::XDX::-904"><span style="-sec-ix-hidden: xdx2ixbrl0611">904</span></span> during the nine months
ended September 30, 2020. For the nine months ended September 30, 2021, included in other income was a gain of $<span id="xdx_901_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pn5n6_c20210101__20210930__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zeXC89yVn6A4" title="Gain on extinguishment of debt"><ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2021-01-012021-09-30_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.4</ix:nonFraction></span> million for
the extinguishment and forgiveness of the PPP Loan. For the nine months ended September 30, 2020, included in other income was
a gain of $<span id="xdx_90C_eus-gaap--EquitySecuritiesFvNiGainLoss_pn3n3_c20200101__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_z6S4CRJPMX26" title="Net gain"><ix:nonFraction name="us-gaap:EquitySecuritiesFvNiGainLoss" contextRef="From2020-01-012020-09-30_custom_CleanSparkMember_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">968</ix:nonFraction></span> related to the sale and mark to market adjustment on the fair value of the CleanSpark Common Stock and warrants.</span></p>

</ix:nonNumeric><p id="xdx_81D_zEUPTkjtqmO8" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>


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    <div style="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><p style="margin: 0pt">&#160;</p></div>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0">&#160;</p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:InventoryDisclosureTextBlock"><p id="xdx_80A_eus-gaap--InventoryDisclosureTextBlock_z73a52KsEtu6" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>6.
<span id="xdx_82E_z4sg29hTcdd5">INVENTORIES</span></b></span></p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:ScheduleOfInventoryCurrentTableTextBlock"><p id="xdx_896_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zF5F8Ip0OfN4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BC_zLNwY71nE2v3">The
components of inventories are summarized below</span>:</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"></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="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_493_20210930_zhPX8OGWAwX9" style="font-weight: bold; text-align: center">September 30,</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="2" id="xdx_497_20201231_zBXGqlnTIb04" style="font-weight: bold; text-align: center">December 31,</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr id="xdx_40A_eus-gaap--InventoryRawMaterials_iI_pn3n3_maINz2Xt_maINzSXt_zS3iuOuFuAE" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 54%; text-align: left">Raw materials</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><ix:nonFraction name="us-gaap:InventoryRawMaterials" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,840</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><ix:nonFraction name="us-gaap:InventoryRawMaterials" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,719</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr id="xdx_40F_eus-gaap--InventoryWorkInProcess_iI_pn3n3_maINz2Xt_maINzSXt_z1vI2LuyqUb8" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Work in process</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:InventoryWorkInProcess" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,457</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:InventoryWorkInProcess" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,420</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr id="xdx_409_eus-gaap--InventoryValuationReserves_iNI_pn3n3_di_msINz2Xt_msINzSXt_zVa7FuZmi8ok" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt">Provision for excess and obsolete inventory</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">(<ix:nonFraction name="us-gaap:InventoryValuationReserves" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">797</ix:nonFraction></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">(<ix:nonFraction name="us-gaap:InventoryValuationReserves" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">736</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">)</td></tr>
<tr id="xdx_409_eus-gaap--InventoryNet_iTI_pn3n3_mtINz2Xt_mtINzSXt_zpcIXXaEDFMf" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total inventories</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:InventoryNet" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">3,500</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:InventoryNet" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,403</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
</table>



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

</ix:nonNumeric><p id="xdx_8A7_zTvpwenFE8Gf" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Inventories
are stated at the lower of cost or a net realizable value determined on a weighted average method.</span></p>

</ix:nonNumeric><p id="xdx_813_zEXbQ33JNqY3" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock"><p id="xdx_80D_eus-gaap--PropertyPlantAndEquipmentDisclosureTextBlock_zpcfNTwnWhx4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>7.
<span id="xdx_828_zz46OEzWTEsd">PROPERTY, PLANT AND EQUIPMENT</span></b></span></p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:PropertyPlantAndEquipmentTextBlock"><p id="xdx_896_eus-gaap--PropertyPlantAndEquipmentTextBlock_zcUyqrWv86kl" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BF_znEdfPRa7QV7">Property,
plant and equipment are summarized below:</span></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"></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="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="2" style="font-weight: bold; text-align: center">September 30,</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="2" style="font-weight: bold; text-align: center">December 31,</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 54%; text-align: left">Machinery and equipment</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_98C_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--MachineryAndEquipmentMember_zW2jd6CU7XZg" style="width: 10%; text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2021-09-30_us-gaap_MachineryAndEquipmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,183</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_981_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--MachineryAndEquipmentMember_zGCxHMvhaBgi" style="width: 10%; text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2020-12-31_us-gaap_MachineryAndEquipmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,210</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Furniture and fixtures</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_985_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--FurnitureAndFixturesMember_zGrwiasIthf7" style="text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2021-09-30_us-gaap_FurnitureAndFixturesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">205</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--FurnitureAndFixturesMember_zSUdR37j1yNi" style="text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2020-12-31_us-gaap_FurnitureAndFixturesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">205</ix:nonFraction></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">Computer hardware and software</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_984_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerHardwareAndSoftwareMember_zsLtMdIhtK42" style="text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2021-09-30_custom_ComputerHardwareAndSoftwareMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">539</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_98B_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerHardwareAndSoftwareMember_zHkk1eo88wg9" style="text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2020-12-31_custom_ComputerHardwareAndSoftwareMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">669</ix:nonFraction></td><td style="text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Leasehold improvements</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_987_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zMByVgTBuwo3" style="text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2021-09-30_us-gaap_LeaseholdImprovementsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">322</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zq1dMbBaApVf" style="text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2020-12-31_us-gaap_LeaseholdImprovementsMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">337</ix:nonFraction></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-bottom: 1pt">Construction in progress</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td id="xdx_989_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zwtKfpkyXjt8" style="border-bottom: Black 1pt solid; text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2021-09-30_us-gaap_ConstructionInProgressMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">141</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td id="xdx_989_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zmEU0wqZA2j7" style="border-bottom: Black 1pt solid; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0645">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td>&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_98A_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_maPPE_c20210930_zc27a02Fk526" title="Property, plant and equipment" style="text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,390</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231_z4tJuKSDfabb" style="text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentGross" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,421</ix:nonFraction></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-bottom: 1pt">Less: accumulated depreciation</td><td style="padding-bottom: 1pt">&#160;</td>
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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total property, plant and equipment, net</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_98F_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_mtPPE_c20210930_zhrUkVgQTAz5" title="Total property, plant and equipment, net" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:PropertyPlantAndEquipmentNet" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">478</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
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</table>



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

</ix:nonNumeric><p id="xdx_8A6_zMflSkUIltt7" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Depreciation
expense was $<span id="xdx_907_eus-gaap--DepreciationDepletionAndAmortization_pn3n3_c20210701__20210930_zVpwgxOajouc" title="Depreciation expense"><ix:nonFraction name="us-gaap:DepreciationDepletionAndAmortization" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">35</ix:nonFraction></span> and $<span id="xdx_90E_eus-gaap--DepreciationDepletionAndAmortization_pn3n3_c20200701__20200930_zimDG9Nmdbx1"><ix:nonFraction name="us-gaap:DepreciationDepletionAndAmortization" contextRef="From2020-07-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">50</ix:nonFraction></span> for the three months ended September 30, 2021 and 2020, respectively.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Depreciation
expense was $<span id="xdx_902_eus-gaap--DepreciationDepletionAndAmortization_pn3n3_c20210101__20210930_zPG13SABmTd9"><ix:nonFraction name="us-gaap:DepreciationDepletionAndAmortization" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">110</ix:nonFraction> </span>and $<span id="xdx_908_eus-gaap--DepreciationDepletionAndAmortization_pn3n3_c20200101__20200930_z3KPBCfHCne1"><ix:nonFraction name="us-gaap:DepreciationDepletionAndAmortization" contextRef="From2020-01-012020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">164</ix:nonFraction></span> for the nine months ended September 30, 2021 and 2020, respectively.</span></p>

</ix:nonNumeric><p id="xdx_819_zFv64WAFPIE2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>


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

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock"><p id="xdx_800_eus-gaap--LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock_zGXGa019IuPe" style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>8. <span id="xdx_821_z55QFduFUwZj">NOTES RECEIVABLE</span></b></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">In connection with the sale of the transformer business
units in August 2019, amongst other consideration, we received two subordinated promissory notes in the aggregate principal amount of
$<span id="xdx_904_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--FirstSellerNoteMember_zpCw6ZOKnXjb" title="Principal amount"><ix:nonFraction name="us-gaap:NotesReceivableGross" contextRef="AsOf2019-08-16_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember_custom_FirstSellerNoteMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">5.0</ix:nonFraction></span> million and $<span id="xdx_90E_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--SecondSellerNoteMember_zgOanYIVLO41"><ix:nonFraction name="us-gaap:NotesReceivableGross" contextRef="AsOf2019-08-16_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember_custom_SecondSellerNoteMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">2.5</ix:nonFraction></span> million, for a total aggregate principal amount of $<span id="xdx_90E_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zOHlwL0KBuH1"><ix:nonFraction name="us-gaap:NotesReceivableGross" contextRef="AsOf2019-08-16_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">7.5</ix:nonFraction></span> million (the &#8220;Seller Notes&#8221;), subject to certain
adjustments. The Seller Notes accrue interest at a rate of <span id="xdx_900_eus-gaap--DebtInstrumentInterestRateStatedPercentage_iI_dp_c20210630__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zvdJ6dqUdYv" title="Interest rate"><ix:nonFraction name="us-gaap:DebtInstrumentInterestRateStatedPercentage" contextRef="AsOf2021-06-30_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Percentage">4.0</ix:nonFraction></span>% per annum, with a final payment of all unpaid principal and interest becoming
fully due and payable at <span id="xdx_903_eus-gaap--DebtInstrumentMaturityDate_dd_c20210101__20210630__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zigXbLU1kz39" title="Maturity date"><ix:nonNumeric contextRef="From2021-01-012021-06-30_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember" format="ixt:datemonthdayyearen" name="us-gaap:DebtInstrumentMaturityDate">December 31, 2022</ix:nonNumeric></span>. The Company determined the fair value of the Seller Notes based on market conditions and prevailing
interest rates. During the fourth quarter of 2019, the Company and the Buyer, pursuant to the Stock Purchase Agreement, completed the
net working capital adjustment, which resulted in the Company paying the Buyer $<span id="xdx_904_eus-gaap--RepaymentsOfNotesPayable_pn5n6_c20191001__20191231__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zyfEdtZK7JK5" title="Repayment of notes payable"><ix:nonFraction name="us-gaap:RepaymentsOfNotesPayable" contextRef="From2019-10-012019-12-31_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.8</ix:nonFraction> </span>million in cash and reducing the principal amount
of the $<span id="xdx_900_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--FirstSellerNoteMember_z5ARo8IBRoc2"><ix:nonFraction name="us-gaap:NotesReceivableGross" contextRef="AsOf2019-08-16_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember_custom_FirstSellerNoteMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">5.0</ix:nonFraction></span> million Seller Note to $<span id="xdx_90A_eus-gaap--NotesReceivableGross_iI_pn5n6_c20191231__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--FirstSellerNoteMember_zcQYJVySzCR3"><ix:nonFraction name="us-gaap:NotesReceivableGross" contextRef="AsOf2019-12-31_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember_custom_FirstSellerNoteMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">3.2</ix:nonFraction></span> million. During the second quarter of 2020, the Company recognized an additional reduction to
the principal amount of the Seller Note of $<span id="xdx_904_ecustom--ChangeInNoteReceivable_pn3n3_c20210401__20210630__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zqEJtbNQ32l"><ix:nonFraction name="ppsi:ChangeInNoteReceivable" contextRef="From2021-04-012021-06-30_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">194</ix:nonFraction></span> for a valid claim paid by the Buyer on behalf of the Company. The Company has revalued
the Seller Notes for an appropriate imputed interest rate, resulting in a net change to the value of the Seller Notes at September 30,
2021 of $<span id="xdx_909_eus-gaap--IncreaseDecreaseInNotesReceivables_pn3n3_c20210101__20210930__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zxv7OYAHJRQi" title="Change in value of notes"><ix:nonFraction name="us-gaap:IncreaseDecreaseInNotesReceivables" contextRef="From2021-01-012021-09-30_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">321</ix:nonFraction></span> for a carrying value of $<span id="xdx_904_eus-gaap--NotesReceivableNet_iI_pn5n6_c20210930__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_z60NUzNdsWWb" title="Carrying value"><ix:nonFraction name="us-gaap:NotesReceivableNet" contextRef="AsOf2021-09-30_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">5.7</ix:nonFraction></span> million.</p>

</ix:nonNumeric><p id="xdx_81F_zQTZOoIn44b6" 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-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"></span></p><p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:DebtDisclosureTextBlock"><p id="xdx_80E_eus-gaap--DebtDisclosureTextBlock_zJVmHVccs4Rd" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>9.
<span id="xdx_829_zTyuyqAINLC6">DEBT</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
March 27, 2020, then President Trump signed into law the &#8220;Coronavirus Aid, Relief, and Economic Security (CARES) Act.&#8221;
The CARES Act, among other things, appropriates funds for the SBA Paycheck Protection Program loans that are forgivable in certain
situations to promote continued employment. On April 13, 2020 after having determined that it met the qualifications for this
loan program due to the impact that COVID-19 would have on our financial condition, results of operations, and/or liquidity and
applying for relief, the Company received a loan under the SBA Paycheck Protection Program in the amount of $<span id="xdx_90A_eus-gaap--DebtInstrumentFaceAmount_iI_pn5n6_c20200413__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_z8TG6Hyfxa2j" title="Loan face value"><ix:nonFraction name="us-gaap:DebtInstrumentFaceAmount" contextRef="AsOf2020-04-13_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.4</ix:nonFraction></span> million. The
Company made this assertion in good faith based upon all available guidance and accounted for the PPP Loan as a debt instrument
in accordance with FASB ASC 470, Debt. The Company used the proceeds from the PPP Loan to retain employees, maintain payroll and
make lease, rent and utility payments.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Under
the terms of the PPP Loan, the Company was eligible for full or partial loan forgiveness. The Company received full forgiveness
of the PPP Loan during the first quarter of 2021 and recognized a $<span id="xdx_900_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pn5n6_c20210101__20210331__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zDV7oRx0lPck" title="Gain on extinguishment"><ix:nonFraction name="us-gaap:GainsLossesOnExtinguishmentOfDebt" contextRef="From2021-01-012021-03-31_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.4</ix:nonFraction></span> million gain on extinguishment and forgiveness of debt
in other income (see Note 5 - Other Expense (Income)).</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BF_zgU8VjtxVEl2">At
December 31, 2020, $<span id="xdx_90B_eus-gaap--LongTermDebtNoncurrent_iI_pn3n3_c20201231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zQbVmjeMsGTi" title="Long-term debt"><ix:nonFraction name="us-gaap:LongTermDebtNoncurrent" contextRef="AsOf2020-12-31_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">633</ix:nonFraction></span> of principal payments due were recorded as long-term debt and $<span id="xdx_90A_eus-gaap--LongTermDebtCurrent_iI_pn3n3_c20201231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_z2DsccK9JJl1" title="Current debt"><ix:nonFraction name="us-gaap:LongTermDebtCurrent" contextRef="AsOf2020-12-31_custom_PaycheckProtectionProgramLoanMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">780</ix:nonFraction></span> as current debt in accordance with
the enactment of the Paycheck Protection Program Flexibility Act of 2020.</span></span></p>

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:ScheduleOfDebtTableTextBlock"><p id="xdx_894_eus-gaap--ScheduleOfDebtTableTextBlock_zjXLkyWiSYO2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; display: none"><span id="xdx_8B5_zGoxOS31HVKa">Schedule of debt</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="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_497_20210930_zxSiANmGw08b" style="font-weight: bold; text-align: center">September 30,</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_493_20201231_zZt4x67JylAc" style="font-weight: bold; text-align: center">December 31,</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr id="xdx_406_eus-gaap--LongTermDebt_iTI_mtLTDNzgf5_zIpSOc1jqWFg" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 54%; text-align: left">PPP Loan</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0692">&#8212;</span></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><ix:nonFraction name="us-gaap:LongTermDebt" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,413</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr id="xdx_401_eus-gaap--LongTermDebtCurrent_iI_maLTDNzgf5_zdkifzZ88trb" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt">Less: current portion</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"><span style="-sec-ix-hidden: xdx2ixbrl0695">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><ix:nonFraction name="us-gaap:LongTermDebtCurrent" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">780</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr id="xdx_402_eus-gaap--LongTermDebtNoncurrent_iI_maLTDNzgf5_zAG2WF3p9Fwd" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total long-term obligations</td><td style="padding-bottom: 2.5pt">&#160;</td>
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</table>



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

</ix:nonNumeric><p id="xdx_8A3_zeqISt2XRpe7" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><p id="xdx_81D_z4bbOb5PQkT4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>


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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0">&#160;</p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:StockholdersEquityNoteDisclosureTextBlock"><p id="xdx_803_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zFbCrWDIOhnh" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>10.<span id="xdx_826_zwYrgLTmRkNc">
STOCKHOLDERS&#8217; EQUITY</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>Common
Stock</b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company had <span id="xdx_90E_eus-gaap--CommonStockSharesOutstanding_iI_pid_uShares_c20201231_zBH54qxlWex7" title="Common stock, outstanding shares"><ix:nonFraction name="us-gaap:CommonStockSharesOutstanding" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">8,726,045</ix:nonFraction></span> shares of common stock, $<span id="xdx_903_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pid_uUSDPShares_c20201231_zKDmjJKB0IP9" title="Common stock, par value (in dollars per share)"><ix:nonFraction name="us-gaap:CommonStockParOrStatedValuePerShare" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">0.001</ix:nonFraction></span> par value per share, outstanding as of September 30, 2021 and December 31,
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>Stock-Based
Compensation</b></span></p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock"><p id="xdx_89F_eus-gaap--ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_zFujuKxQZlm2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BD_zyXsX27irag3">A
summary of stock option activity under the 2011 Long-Term Incentive Plan as of September 30, 2021, and changes during the nine
months ended September 30, 2021, are presented below:</span></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"></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="vertical-align: bottom">
    <td style="text-align: left">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">Aggregate<br /> intrinsic value</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 20%; text-align: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Outstanding as of January 1, 2021</span></td><td style="width: 1%">&#160;</td>
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    <td style="width: 1%; text-align: left">$</td><td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iS_pn3n3_c20210101__20210930_z0vdc0lFctBc" title="Outstanding at beginning of period" style="width: 12%; text-align: right"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" contextRef="AsOf2020-12-31" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">155</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Granted</span></td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20210930_z2lvMCxILRhi" title="Granted" style="text-align: right"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">236,667</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
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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)">
    <td style="text-align: left; padding-left: 0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Exercised</span></td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_989_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_pid_c20210101__20210930_zTPQwpVEdmQ6" title="Exercised" style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0721">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_uUSDPShares_c20210101__20210930_zLZOIsCVySDi" title="Exercised" style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0723">&#8212;</span></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><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: 0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Forfeited</span></td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_iN_pid_di_c20210101__20210930_zatuIYLx18c4" title="Forfeited" style="border-bottom: Black 1pt solid; text-align: right">(<ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">3,400</ix:nonFraction></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 id="xdx_981_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_pid_uUSDPShares_c20210101__20210930_z1O3SDv3tZy" title="Forfeited" style="border-bottom: Black 1pt solid; text-align: right"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">12.00</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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">&#160;</td><td style="padding-bottom: 1pt; text-align: left">&#160;</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">&#160;</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: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Outstanding as of September 30, 2021</span></td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">&#160;</td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210101__20210930_z5fQitLWp3V3" title="Outstanding at end of period" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">673,667</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210101__20210930_zPWDQcslRX1k" title="Outstanding at end of period" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">5.41</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">&#160;</td><td style="border-bottom: Black 2.5pt double; text-align: right"><span id="xdx_906_ecustom--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3_dtY_c20210101__20210930_zNx77JuxFHxl" title="Outstanding at end of period"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt-sec:duryear" name="ppsi:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3">6.70</ix:nonNumeric></span></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iE_pn3n3_c20210101__20210930_z4mJsXxS8Ky2" title="Outstanding at end of period" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">117</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Exercisable as of September 30, 2021</span></td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">&#160;</td><td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iE_pid_c20210101__20210930_zxv5mMNXtXl1" title="Exercisable at end of period" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">437,000</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iE_pid_uUSDPShares_c20210101__20210930_zryuhtR9I5B3" title="Exercisable at end of period" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">6.54</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">&#160;</td><td style="border-bottom: Black 2.5pt double; text-align: right"><span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210101__20210930_z38IV2aenKp4" title="Exercisable at end of period"><ix:nonNumeric contextRef="From2021-01-01to2021-09-30" format="ixt-sec:duryear" name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1">5.10</ix:nonNumeric></span></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_983_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iE_c20210101__20210930_zROK0Uz3hRDg" title="Exercisable at end of period" style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">115</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
</table>



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

</ix:nonNumeric><p id="xdx_8AE_zOfYJaUDNSM4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">As
of September 30, 2021, there were <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_pid_do_c20210930__us-gaap--PlanNameAxis__custom--LongTermIncentivePlanMember_z1h1CaZFldWb" title="Number of shares available for future grants"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" contextRef="AsOf2021-09-30_custom_LongTermIncentivePlanMember" format="ixt-sec:numwordsen" decimals="INF" unitRef="Shares">no</ix:nonFraction></span> shares available for future grants under the Company&#8217;s 2011 Long-Term Incentive Plan.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Stock-based
compensation expense recorded for the three and nine months ended September 30, 2021 was approximately $<span id="xdx_90A_eus-gaap--ShareBasedCompensation_pn3n3_c20210701__20210930_z9GlizmP7IA" title="Stock-based compensation"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">58</ix:nonFraction></span> and $<span id="xdx_90D_eus-gaap--ShareBasedCompensation_pn3n3_c20210101__20210930_z9jGhXQNpTI5"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2021-01-01to2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">129</ix:nonFraction></span>, respectively,
as compared to an insignificant amount of stock-based compensation expense during the three and nine months ended September 30,
2020. At September 30, 2021, the Company had total stock-based compensation expense remaining to be recognized in the consolidated
statements of operations of approximately $<span id="xdx_907_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_iI_pn3n3_c20210930_zowkUnS0Ef5g" title="Stock-based compensation not yet recognized"><ix:nonFraction name="us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">134</ix:nonFraction></span>.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company&#8217;s 2011 Long-Term Incentive Plan expired during the second quarter of 2021 and there was no plan in effect at September
30, 2021.</span></p>

</ix:nonNumeric><p id="xdx_818_zU6VZX2DjDe3" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:EarningsPerShareTextBlock"><p id="xdx_807_eus-gaap--EarningsPerShareTextBlock_zZ6GRpeJ6D05" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>11.
<span id="xdx_82F_z9ty1pZPNup4">BASIC AND DILUTED (LOSS) INCOME PER COMMON SHARE</span></b></span></p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"><p id="xdx_895_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_z7thxxAj9Cxh" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Basic
and diluted (loss) income per common share is calculated based on the weighted average number of shares outstanding during the
period. The Company&#8217;s employee and director stock option awards, as well as incremental shares issuable upon exercise of
warrants, are not considered in the calculations if the effect would be anti-dilutive. <span id="xdx_8B5_z56LDcLhDzo9">The following table sets forth the computation
of basic and diluted (loss) income per share (in thousands, except per share data):</span></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"></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="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
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    <td id="xdx_491_20210701__20210930_zLc7EVjjI8P2" style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
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    <td id="xdx_49C_20200701__20200930_za5VLxmprlN5" style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
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    <td id="xdx_497_20210101__20210930_zUqLFY8iSJje" style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_498_20200101__20200930_zC1oFsW0RyA9" style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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<tr id="xdx_40B_eus-gaap--NetIncomeLossAbstract_iB_zwqqRns7HTVh" style="vertical-align: bottom">
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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-indent: 10pt">&#160;</td><td>&#160;</td>
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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><td>&#160;</td>
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<tr id="xdx_409_eus-gaap--WeightedAverageNumberOfSharesOutstandingAbstract_iB_zTwZdh0mZz4h" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td>Denominator:</td><td>&#160;</td>
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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><td>&#160;</td>
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<tr id="xdx_407_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_i01_pn3n3_maEPS_zmRH9ZJOlmy5" style="vertical-align: bottom; background-color: White">
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<tr id="xdx_406_eus-gaap--IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_i01_pn3n3_maEPS_z1PocobPPQ19" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<tr id="xdx_402_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_i01T_pn3n3_mtEPS_z29TBHgAx9k5" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: -0.125in; padding-left: 0.25in">Denominator for diluted net (loss) income per common share</td><td style="padding-bottom: 2.5pt">&#160;</td>
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<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <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><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 id="xdx_40F_eus-gaap--EarningsPerShareBasicAndDilutedAbstract_iB_zfUZSwij1p84" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Net (loss) income per common share:</td><td>&#160;</td>
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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><td>&#160;</td>
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<tr id="xdx_406_eus-gaap--EarningsPerShareBasic_i01_pid_zP0QlTu2ScL1" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<tr id="xdx_40C_eus-gaap--EarningsPerShareDiluted_i01_pid_z0S159osoqE4" style="vertical-align: bottom; background-color: White">
    <td style="text-indent: 10pt">Diluted</td><td>&#160;</td>
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</table>



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

</ix:nonNumeric><p id="xdx_8AD_zVP6OHSLEfdf" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><p id="xdx_811_zYqfjJRdovi3" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

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

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    <div style="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><p style="margin: 0pt">&#160;</p></div>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify">&#160;</p>

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:SegmentReportingDisclosureTextBlock"><p id="xdx_80A_eus-gaap--SegmentReportingDisclosureTextBlock_zlbh7Ihk82I9" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>12.
<span id="xdx_82C_zYL7xQX4X5z8">BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION</span></b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company follows ASC 280 - Segment Reporting in determining its reportable segments. The Company considered the way its
management team, most notably its chief operating decision maker, makes operating decisions and assesses performance and
considered which components of the Company&#8217;s enterprise have discrete financial information available. As the Company
makes decisions using a manufactured products vs. distributed products and services group focus, its analysis resulted in <span id="xdx_909_eus-gaap--NumberOfReportableSegments_dc_uNumber_c20210101__20210930_zEU9MIitHjG7" title="Number of reportable segments"><ix:nonFraction name="us-gaap:NumberOfReportableSegments" contextRef="From2021-01-01to2021-09-30" format="ixt-sec:numwordsen" decimals="INF" unitRef="Number">two</ix:nonFraction></span>
reportable segments: T&amp;D Solutions and Critical Power. The Critical Power reportable segment is the Company&#8217;s Titan
Energy Systems, Inc. business unit. The T&amp;D Solutions reportable segment is the Company&#8217;s Pioneer Custom Electrical
Products Corp. business unit.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
T&amp;D Solutions segment is involved in the design, manufacture and distribution of switchgear used primarily by large industrial
and commercial operations to manage their electrical power distribution needs. The Critical Power segment provides new and used
power generation equipment and aftermarket field-services primarily to help customers ensure smooth, uninterrupted power to operations
during times of emergency.</span></p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock"><p id="xdx_89E_eus-gaap--ScheduleOfSegmentReportingInformationBySegmentTextBlock_zZoQWxtrYF16" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8B7_z1z9IbqgvAz9">The
following tables present information about segment loss and income</span>:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">Three
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">Nine
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: left; vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">Revenues</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">T&amp;D
    Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 33%; text-align: left; padding-bottom: 1pt; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Switchgear</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zHJEbhMHu5Za" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-07-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember_custom_SwitchgearMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,996</ix:nonFraction></span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zgWJzLpN1Is1" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-07-012020-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember_custom_SwitchgearMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,507</ix:nonFraction></span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zeheSZGozS6g" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember_custom_SwitchgearMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,980</ix:nonFraction></span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_z24msXZOb6j2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-07-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,996</ix:nonFraction></span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_988_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zNjLogQ1u819" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,980</ix:nonFraction></span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zPsCURrOiIxg" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-01-012020-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">7,370</ix:nonFraction></span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">Critical
    Power Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Equipment</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zmjkNQcntla3" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-07-012021-09-30_us-gaap_OperatingSegmentsMember_custom_CriticalPowerSolutionsSegmentMember_us-gaap_EquipmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">694</ix:nonFraction></span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zRqslJ3zQq7d" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-012021-09-30_us-gaap_OperatingSegmentsMember_custom_CriticalPowerSolutionsSegmentMember_us-gaap_EquipmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,379</ix:nonFraction></span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<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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</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"></p>

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

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></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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<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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</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif"></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zV61vONxa7zj" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:OperatingIncomeLoss" contextRef="From2020-07-012020-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">50</ix:nonFraction></span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zRgX3ibq9ylk" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(<ix:nonFraction name="us-gaap:OperatingIncomeLoss" contextRef="From2021-01-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember" format="ixt:numdotdecimal" decimals="-3" scale="3" sign="-" unitRef="USD">664</ix:nonFraction></span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom; background-color: White">
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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Consolidated</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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</table>



</ix:nonNumeric><p id="xdx_8A1_z3zctZ8X3qLa" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red">&#160;</p>

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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif"></span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td><span style="font: 10pt Times New Roman, Times, Serif">Revenues</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 33%; text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">United
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    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_98F_eus-gaap--Revenues_c20210701__20210930__srt--StatementGeographicalAxis__country--US_z6vLfJkjImjl" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-07-012021-09-30_country_US" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">5,685</ix:nonFraction></span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_c20200701__20200930__srt--StatementGeographicalAxis__country--US_zn4CtRc4PRHe" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-07-012020-09-30_country_US" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">4,051</ix:nonFraction></span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_987_eus-gaap--Revenues_c20210101__20210930__srt--StatementGeographicalAxis__country--US_zVKDN1i1KuBg" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-01-012021-09-30_country_US" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">14,813</ix:nonFraction></span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_98D_eus-gaap--Revenues_c20200101__20200930__srt--StatementGeographicalAxis__country--US_zFjLpn2ngU1i" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2020-01-012020-09-30_country_US" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">14,138</ix:nonFraction></span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
</table>



</ix:nonNumeric><p id="xdx_8AD_zvlqbUXQfPq6" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

</ix:nonNumeric><p id="xdx_81A_zuMv6dRFEmEj" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>


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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify">&#160;</p>

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="ppsi:LeasesTextBlock"><p id="xdx_800_ecustom--LeasesTextBlock_zY8hsVsJWSCk" style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>13. <span id="xdx_82F_zy9rM3MKsoO8">LEASES</span></b></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Company leases certain offices, facilities
and equipment under operating and financing leases. Our leases have remaining terms ranging from less than <span id="xdx_904_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dtY_c20210930__srt--RangeAxis__srt--MinimumMember_z6HHYNcBWUDk" title="Lease term"><ix:nonNumeric contextRef="AsOf2021-09-30_srt_MinimumMember" format="ixt-sec:duryear" name="us-gaap:LesseeOperatingLeaseTermOfContract">1</ix:nonNumeric></span>
year to <span id="xdx_90D_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dtY_c20210930__srt--RangeAxis__srt--MaximumMember_zTmLJi8zJwjh"><ix:nonNumeric contextRef="AsOf2021-09-30_srt_MaximumMember" format="ixt-sec:duryear" name="us-gaap:LesseeOperatingLeaseTermOfContract">5</ix:nonNumeric></span>
years some of which contain options to extend up to <span id="xdx_90A_eus-gaap--LesseeOperatingLeaseRenewalTerm_iI_dtY_c20210930__srt--RangeAxis__srt--MaximumMember_zAehS8Wh1U98" title="Lease renewal term"><ix:nonNumeric contextRef="AsOf2021-09-30_srt_MaximumMember" format="ixt-sec:duryear" name="us-gaap:LesseeOperatingLeaseRenewalTerm">5</ix:nonNumeric></span>
years. As of September 30, 2021 and 2020, assets recorded under finance leases were $<span id="xdx_902_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pn5n6_c20210930_zGDAFYqRIWxf" title="Finance lease assets"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.4</ix:nonFraction></span>
million and $<span id="xdx_903_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pn5n6_c20200930_zlD9BNCUbKK"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization" contextRef="AsOf2020-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.4</ix:nonFraction></span>
million, respectively, and accumulated amortization associated with finance leases were $<span id="xdx_90C_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pn3n3_c20210930_z2vGL62mo0T2" title="Finance leases accumulated depreciation"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">947</ix:nonFraction></span>
and $<span id="xdx_909_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pn3n3_c20200930_zrOcU8VE3136"><ix:nonFraction name="us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization" contextRef="AsOf2020-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">711</ix:nonFraction></span>,
respectively. As of September 30, 2021 and 2020, assets recorded under operating leases were $<span id="xdx_900_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn5n6_c20210930_zGXeZXudE3n6" title="Operating lease assets"><ix:nonFraction name="us-gaap:OperatingLeaseRightOfUseAsset" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">3.9</ix:nonFraction></span>
million and $<span id="xdx_90B_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn5n6_c20200930_z6snaqrYWst6"><ix:nonFraction name="us-gaap:OperatingLeaseRightOfUseAsset" contextRef="AsOf2020-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">2.1</ix:nonFraction></span> million,
respectively, and accumulated amortization associated with operating leases were $<span id="xdx_903_ecustom--OperatingLeaseRightOfUseAssetAccumulatedAmortization_iI_pn5n6_c20210930_zN37P3i19ygh" title="Operating leases accumulated depreciation"><ix:nonFraction name="ppsi:OperatingLeaseRightOfUseAssetAccumulatedAmortization" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">2.1</ix:nonFraction></span>
million and $<span id="xdx_908_ecustom--OperatingLeaseRightOfUseAssetAccumulatedAmortization_iI_pn5n6_c20200930_z4KmyyA8HYgk"><ix:nonFraction name="ppsi:OperatingLeaseRightOfUseAssetAccumulatedAmortization" contextRef="AsOf2020-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.5</ix:nonFraction></span>
million, respectively. During the three months ended September 30, 2021, the Company executed an extension of its operating lease for the
manufacturing facility in Santa Fe Springs, California. After adjusting for a weighted average discount rate, the Company recognized a
right-of-use asset and lease liability of approximately $<span id="xdx_909_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_pn5n6_c20210701__20210930_zSSt7tXWlYx2" title="Right-of-use asset and lease liability recognized"><ix:nonFraction name="us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" contextRef="From2021-07-012021-09-30" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">1.4</ix:nonFraction></span> million within the consolidated balance sheets.</p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:LeaseCostTableTextBlock"><p id="xdx_89F_eus-gaap--LeaseCostTableTextBlock_zsrh6tVGoZ6d" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The components of the lease expense were as follows:</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in">
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    <td>&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_490_20210701__20210930_zrjZJ6wi6Pm2" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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    <td style="text-align: left">&#160;</td><td id="xdx_497_20210101__20210930_z80UYRbZuNLi" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_49A_20200101__20200930_z59oaMTYXauf" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom">
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    <td colspan="7" style="text-align: center">Three Months Ended</td><td style="font-weight: bold">&#160;</td>
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    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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  <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><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 id="xdx_40F_ecustom--FinanceLeasesCostAbstract_iB_zlt6icrZEamk" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">Finance lease cost</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><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 id="xdx_40D_eus-gaap--FinanceLeaseRightOfUseAssetAmortization_i01_zQUXtqUTln41" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">&#160;&#160;&#160;Amortization of right-of-use asset</td><td>&#160;</td>
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  <tr id="xdx_40F_eus-gaap--FinanceLeaseInterestExpense_i01_zmkYmA5SqCNg" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt">&#160;&#160;&#160;Interest on lease liabilities</td><td style="padding-bottom: 1pt">&#160;</td>
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    <td style="text-align: left; padding-bottom: 2.5pt">Total finance lease cost</td><td style="padding-bottom: 2.5pt">&#160;</td>
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</ix:nonNumeric><p id="xdx_8AC_zsMJnRmpo771" 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">Other information related to leases was as follows:</p>

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

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="ppsi:LesseeLeaseCashFlowsTableTextBlock"><p id="xdx_89D_ecustom--LesseeLeaseCashFlowsTableTextBlock_zuKEuGu8yOAj" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Supplemental Cash Flows Information</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in">
  <tr style="vertical-align: bottom">
    <td style="text-align: left"></td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_49E_20210101__20210930_zChBRztTpXzi" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_49A_20200101__20200930_z3W10QoZAohk" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="7" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">September 30,</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td></tr>
  <tr style="vertical-align: bottom">
    <td>Cash paid for amounts included in the measurement of lease liabilities</td><td>&#160;</td>
    <td colspan="3" style="text-align: right">&#160;</td><td>&#160;</td>
    <td colspan="3" style="text-align: right">&#160;</td></tr>
  <tr id="xdx_405_eus-gaap--OperatingLeasePayments_z7xawaPV65Zi" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 56%; text-align: left">&#160;&#160;&#160;Operating cash flow payments for operating leases</td><td style="width: 8%">&#160;</td>
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  <tr id="xdx_40A_eus-gaap--FinanceLeaseInterestPaymentOnLiability_z49MHkr6aGGf" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">&#160;&#160;&#160;Operating cash flow payments for finance leases</td><td>&#160;</td>
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  <tr id="xdx_404_ecustom--FinanceLeasePrincipalPayments1_zhZKqshXatU8" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">&#160;&#160;&#160;Financing cash flow payments for finance leases</td><td>&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Right-of-use assets obtained in exchange for lease obligations</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 id="xdx_401_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_z24R1MylS0va" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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  <tr id="xdx_40F_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_zb3IX5EDMpGi" style="vertical-align: bottom; background-color: White">
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</ix:nonNumeric><p id="xdx_8AF_zutLCDXDrzs4" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="ppsi:LesseeLeaseTermsTableTextBlock"><p id="xdx_896_ecustom--LesseeLeaseTermsTableTextBlock_zdnrSskRBsIl" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Weighted Average Remaining Lease Term</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; display: none; text-align: justify"><span id="xdx_8B2_zGbJ1o9O7UHf">Weighted Average Remaining Lease Term and Weighted Average Discount Rate</span></p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in">
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="7" style="border-bottom: Black 1pt solid; text-align: center">September 30,</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td>Operating leases</td><td>&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
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  <tr style="vertical-align: bottom">
    <td style="text-align: left; width: 56%"><span style="font-size: 2pt">&#160;</span></td><td style="width: 8%"><span style="font-size: 2pt">&#160;</span></td>
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  </table>



<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">Weighted Average Discount Rate</p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; width: 85%; border-collapse: collapse; margin-right: auto">
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="4" style="text-align: center">September 30,</td></tr>
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="2" style="border-top: black 1pt solid; text-align: center">2021</td>
    <td colspan="2" style="border-top: black 1pt solid; text-align: center">2020</td></tr>
  <tr style="background-color: #CCEEFF">
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    <td style="vertical-align: middle; width: 3%">%</td>
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    <td style="vertical-align: middle; width: 3%">%</td></tr>
  <tr style="background-color: white">
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  </table>

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


</ix:nonNumeric><p id="xdx_8AD_z6l1Q9FGuqil" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<ix:exclude><!-- Field: Page; Sequence: 1; Options: NewSection; Value: 14 -->
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="ppsi:LesseeLeaseLiabilityMaturityTableTextBlock"><p id="xdx_891_ecustom--LesseeLeaseLiabilityMaturityTableTextBlock_zHc8QTousc0k" style="font: 10pt Times New Roman, Times, Serif; margin: 0">Future minimum lease payments under non-cancellable leases as of September
30, 2021 were as follows:</p>

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

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in">
  <tr>
    <td style="vertical-align: middle">&#160;</td>
    <td colspan="2" style="vertical-align: bottom; text-align: center">Operating&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td>
    <td colspan="2" style="vertical-align: bottom; text-align: center">Finance</td></tr>
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">Leases</td>
    <td style="text-align: center">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">Leases</td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td style="width: 71%">2021</td>
    <td style="text-align: right; width: 3%">&#160;</td>
    <td id="xdx_983_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maOL_c20210930_zCfRdCv3vPd6" title="Operating Leases, 2021" style="text-align: right; width: 11%"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">184</ix:nonFraction></td>
    <td style="text-align: right; width: 1%">&#160;</td>
    <td style="text-align: right; width: 3%">&#160;</td>
    <td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maFL_c20210930_zIlJwNG6oi39" title="Finance Leases, 2021" style="text-align: right; width: 11%"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">66</ix:nonFraction></td></tr>
  <tr style="vertical-align: bottom">
    <td>2022</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_988_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maOL_c20210930_zaJPAm6X5j3j" title="Operating Leases, 2022" style="text-align: right"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">684</ix:nonFraction></td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maFL_c20210930_zMqX0ia3spxi" title="Finance Leases, 2022" style="text-align: right"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">195</ix:nonFraction></td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td>2023</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98E_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_maOL_c20210930_zr1nSONRszc7" title="Operating Leases, 2023" style="text-align: right"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">610</ix:nonFraction></td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_maFL_c20210930_zuWI8jd4EFKe" title="Finance Leases, 2023" style="text-align: right"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">257</ix:nonFraction></td></tr>
  <tr style="vertical-align: bottom">
    <td>2024</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_maOL_c20210930_zbYMPwEDWESj" title="Operating Leases, 2024" style="text-align: right"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">446</ix:nonFraction></td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_maFL_c20210930_zgQ4FSymcDed" title="Finance Leases, 2024" style="text-align: right"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">21</ix:nonFraction></td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td>2025</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_maOL_c20210930_zMsrySLy5rQc" title="Operating Leases, 2025" style="text-align: right"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">95</ix:nonFraction></td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_986_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_maFL_c20210930_zZ724x6sAH1g" title="Finance Leases, 2025" style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0967">&#8212;</span></td></tr>
  <tr style="vertical-align: bottom">
    <td>Thereafter</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_maOL_c20210930_zzMdN00He8Y1" title="Operating Leases, Thereafter" style="text-align: right"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">24</ix:nonFraction></td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_maFL_c20210930_zz7BM1MZKcMc" title="Finance Leases, Thereafter" style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0971">&#8212;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td>&#160;&#160;&#160;Total future minimum lease payments</td>
    <td style="border-top: Black 0.5pt solid; text-align: right">&#160;</td>
    <td id="xdx_98C_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iTI_mtOL_c20210930_zJnF4nNF9msj" title="Operating Leases, Total future minimum lease payments" style="border-top: Black 0.5pt solid; text-align: right"><ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">2,043</ix:nonFraction></td>
    <td style="text-align: right">&#160;</td>
    <td style="border-top: Black 0.5pt solid; text-align: right">&#160;</td>
    <td id="xdx_98D_eus-gaap--FinanceLeaseLiabilityPaymentsDue_iTI_mtFL_c20210930_zwSGILCjM5gf" title="Finance Leases, Total future minimum lease payments" style="border-top: Black 0.5pt solid; text-align: right"><ix:nonFraction name="us-gaap:FinanceLeaseLiabilityPaymentsDue" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">539</ix:nonFraction></td></tr>
  <tr style="vertical-align: bottom">
    <td>Less imputed interest</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_985_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zKzQAfOAXIoj" title="Operating Leases, Less imputed interest" style="text-align: right">(<ix:nonFraction name="us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">171</ix:nonFraction>)</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98D_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zzgn33IZpRpk" title="Finance Leases, Less imputed interest" style="text-align: right">(<ix:nonFraction name="us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">40</ix:nonFraction>)</td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td>&#160;&#160;&#160;Total future minmum lease payments</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td id="xdx_987_eus-gaap--OperatingLeaseLiability_iI_c20210930_zw2iQQFrjBz8" title="Operating Leases, Total future minmum lease payments" style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"><ix:nonFraction name="us-gaap:OperatingLeaseLiability" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,872</ix:nonFraction></td>
    <td style="text-align: right">&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td id="xdx_983_eus-gaap--FinanceLeaseLiability_iI_c20210930_znhX3uaWjvo2" title="Finance Leases, Total future minmum lease payments" style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"><ix:nonFraction name="us-gaap:FinanceLeaseLiability" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">499</ix:nonFraction></td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8AA_zfSDlFetRMve" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>


<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="ppsi:LeasesOfLesseeReportedDisclosureTableTextBlock"><p id="xdx_896_ecustom--LeasesOfLesseeReportedDisclosureTableTextBlock_zWfrYShskFd1" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Reported as of September 30, 2021:</p>

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

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in">
  <tr>
    <td style="vertical-align: middle">&#160;</td>
    <td colspan="2" id="xdx_481_eus-gaap--OperatingLeaseLiability_iI_zGG1dmNZRkNj" style="vertical-align: bottom; text-align: center">Operating&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td>
    <td colspan="2" id="xdx_483_eus-gaap--FinanceLeaseLiability_iI_ztQvU63RvDc9" style="vertical-align: bottom; text-align: center">Finance</td></tr>
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">Leases</td>
    <td style="text-align: center">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">Leases</td></tr>
  <tr id="xdx_418_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--AccountsPayableAndAccruedLiabilitiesMember_ziRXhvB4BpYf" style="vertical-align: bottom; background-color: #CCECFF">
    <td style="width: 71%">Accounts payable and accrued liabilities</td>
    <td style="text-align: right; width: 3%">&#160;$&#160;</td>
    <td style="text-align: right; width: 11%"><ix:nonFraction name="us-gaap:OperatingLeaseLiability" contextRef="AsOf2021-09-30_us-gaap_AccountsPayableAndAccruedLiabilitiesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">613</ix:nonFraction></td>
    <td style="text-align: right; width: 1%">&#160;</td>
    <td style="text-align: right; width: 3%">&#160;$&#160;</td>
    <td style="text-align: right; width: 11%"><ix:nonFraction name="us-gaap:FinanceLeaseLiability" contextRef="AsOf2021-09-30_us-gaap_AccountsPayableAndAccruedLiabilitiesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">194</ix:nonFraction></td></tr>
  <tr id="xdx_416_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--OtherNoncurrentLiabilitiesMember_zEYkpuF5nE8d" style="vertical-align: bottom">
    <td>Other long-term liabilities</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right"><ix:nonFraction name="us-gaap:OperatingLeaseLiability" contextRef="AsOf2021-09-30_us-gaap_OtherNoncurrentLiabilitiesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,259</ix:nonFraction></td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right"><ix:nonFraction name="us-gaap:FinanceLeaseLiability" contextRef="AsOf2021-09-30_us-gaap_OtherNoncurrentLiabilitiesMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">305</ix:nonFraction></td></tr>
  <tr id="xdx_413_20210930_z06Jds5DWchd" style="vertical-align: bottom; background-color: #CCECFF">
    <td style="padding-left: 9px; text-align: left">Total</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"><ix:nonFraction name="us-gaap:OperatingLeaseLiability" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">1,872</ix:nonFraction></td>
    <td style="text-align: right">&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"><ix:nonFraction name="us-gaap:FinanceLeaseLiability" contextRef="AsOf2021-09-30" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">499</ix:nonFraction></td></tr>
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</ix:nonNumeric><p id="xdx_8A9_zHWYYcRgQLQl" 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">&#160;</p>
</ix:nonNumeric><p id="xdx_81C_zqNvL9h2ybja" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>



<ix:nonNumeric contextRef="From2021-01-01to2021-09-30" escape="true" name="us-gaap:SubsequentEventsTextBlock"><p id="xdx_804_eus-gaap--SubsequentEventsTextBlock_zWsusaRXUghh" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b>14. <span id="xdx_82D_z3kk6ZFguUhb">SUBSEQUENT EVENTS</span></b></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">On October 20, 2020, we entered into an At The Market Sale Agreement with
H.C. Wainwright &amp; Co., LLC (&#8220;Wainwright&#8221;), pursuant to which we may offer and sell our common shares having an aggregate
price of up to $<span id="xdx_908_ecustom--AggregatePriceMarketSaleAgreement_pn5n6_c20201019__20201020_zBG8WCpqPe8e" title="Aggregate price market sale agreement"><ix:nonFraction name="ppsi:AggregatePriceMarketSaleAgreement" contextRef="From2020-10-192020-10-20" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">9.0</ix:nonFraction></span> million from time to time through Wainwright, acting as agent or principal (the &#8220;ATM Program&#8221;). Shares
of common stock are offered pursuant to a sales agreement prospectus included in the Company&#8217;s shelf registration on Form S-3 filed
with the Securities and Exchange Commission on October 20, 2020, which was declared effective on October 27, 2020. On November 8, 2021,
we sold <span id="xdx_905_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pdp0_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_ziwXx77PV5sg" title="Shares issued under ATM Program"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesNewIssues" contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember" format="ixt:numdotdecimal" decimals="INF" scale="0" unitRef="Shares">888,500</ix:nonFraction></span> shares of common stock under the ATM Program, for total gross proceeds of approximately $<span id="xdx_90B_eus-gaap--StockIssuedDuringPeriodValueNewIssues_pn5n6_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_z8fVWqxQlLRh" title="Gross proceeds from ATM Program"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodValueNewIssues" contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">9.0</ix:nonFraction></span> million, at an average price
of $<span id="xdx_90C_eus-gaap--SharesIssuedPricePerShare_iI_pip0_c20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_z5CvVSKgVaO4" title="Price per share"><ix:nonFraction name="us-gaap:SharesIssuedPricePerShare" contextRef="AsOf2021-11-08_us-gaap_SubsequentEventMember" format="ixt:numdotdecimal" decimals="INF" scale="0" unitRef="USDPShares">10.1288</ix:nonFraction></span> per share. We incurred approximately $<span id="xdx_903_eus-gaap--PaymentsOfStockIssuanceCosts_pn3n3_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_z2EjhcbyGR4b" title="Costs related to common shares issued"><ix:nonFraction name="us-gaap:PaymentsOfStockIssuanceCosts" contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">273</ix:nonFraction></span> of costs related to the common shares issued (including a placement fee of <span id="xdx_90B_ecustom--PlacementFeePercentage_iI_pip0_dp_c20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zxzQWRpkcnO2" title="Placement fee (percent)"><ix:nonFraction name="ppsi:PlacementFeePercentage" contextRef="AsOf2021-11-08_us-gaap_SubsequentEventMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Percentage">3.0</ix:nonFraction>%</span>,
or approximately $<span id="xdx_90D_ecustom--PlacementFeeExpense_pn3n3_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zcItKtzUFYh3" title="Placement fee"><ix:nonFraction name="ppsi:PlacementFeeExpense" contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember" format="ixt:numdotdecimal" decimals="-3" scale="3" unitRef="USD">270</ix:nonFraction></span>, to Wainwright), resulting in net proceeds of approximately $<span id="xdx_90D_eus-gaap--ProceedsFromIssuanceOfCommonStock_pn5n6_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zEw2VEiB0Vc5" title="Net proceeds from stock issued under ATM Program"><ix:nonFraction name="us-gaap:ProceedsFromIssuanceOfCommonStock" contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember" format="ixt:numdotdecimal" decimals="-5" scale="6" unitRef="USD">8.7</ix:nonFraction></span> million.</p>

</ix:nonNumeric><p id="xdx_81F_zWje4kMM4T47" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify">&#160;</p>
<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a009"></span>ITEM
2. MANAGEMENT&#8217;S DISCUSSION AND ANALYSIS OF FINANCIAL CONDITION AND RESULTS OF OPERATIONS.</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>The
following discussion and analysis of our financial condition and results of operations should be read in conjunction with the
accompanying consolidated interim financial statements and related notes included elsewhere in this Quarterly Report on Form 10-Q
and with our Annual Report on Form 10-K for the year ended December 31, 2020, which was filed with the Securities and Exchange
Commission on March 30, 2021.</i></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Unless
the context requires otherwise, references in this Quarterly Report on Form 10-Q to the &#8220;Company,&#8221; &#8220;Pioneer
Power,&#8221; &#8220;we,&#8221; &#8220;our&#8221; and &#8220;us&#8221; refer to Pioneer Power Solutions, Inc. and its subsidiaries.</i></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>Special
Note Regarding Forward-Looking Statements</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">This
Quarterly Report on Form 10-Q contains &#8220;forward-looking statements,&#8221; which include information relating to future
events, future financial performance, financial projections, strategies, expectations, competitive environment and regulation.
Words such as &#8220;may,&#8221; &#8220;should,&#8221; &#8220;could,&#8221; &#8220;would,&#8221; &#8220;predicts,&#8221; &#8220;potential,&#8221;
&#8220;continue,&#8221; &#8220;expects,&#8221; &#8220;anticipates,&#8221; &#8220;future,&#8221; &#8220;intends,&#8221; &#8220;plans,&#8221;
&#8220;believes,&#8221; &#8220;estimates,&#8221; and similar expressions, as well as statements in future tense, identify forward-looking
statements. Forward-looking statements should not be read as a guarantee of future performance or results and may not be accurate
indications of when such performance or results will be achieved. Forward-looking statements are based on information we have
when those statements are made or management&#8217;s good faith belief as of that time with respect to future events, and are
subject to risks and uncertainties that could cause actual performance or results to differ materially from those expressed in
or suggested by the forward-looking statements. Important factors that could cause such differences include, but are not limited
to:&#160;&#160;&#160;&#160;&#160;<b>&#160;&#160;&#160;&#160;&#160;&#160;&#160;</b>&#160;&#160;&#160;&#160;&#160;&#160;&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify; text-indent: 1.5in"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">General
                                         economic conditions and their effect on demand for electrical equipment, particularly
                                         in the commercial construction market, but also in the power generation, industrial production,
                                         data center, oil and gas, marine and infrastructure industries.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
                                         effects of fluctuations in sales on our business, revenues, expenses, net income, income
                                         (loss) per share, margins and profitability.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Many
                                         of our competitors are better established and have significantly greater resources and
                                         may subsidize their competitive offerings with other products and services, which may
                                         make it difficult for us to attract and retain customers.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
                                         depend on CleanSpark, Inc (&#8220;CleanSpark&#8221;) for a large portion of our business,
                                         and any change in the level of orders from CleanSpark could have a significant impact
                                         on results of operations.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
                                         potential loss or departure of key personnel, including Nathan J. Mazurek, our chairman,
                                         president and chief executive officer.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
                                         ability to generate internal growth, maintain market acceptance of our existing products
                                         and gain acceptance for our new products.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Unanticipated
                                         increases in raw material prices or disruptions in supply could increase production costs
                                         and adversely affect our profitability.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
                                         ability to realize revenue reported in our backlog.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Operating
                                         margin risk due to competitive pricing and operating efficiencies, supply chain risk,
                                         material, labor or overhead cost increases, interest rate risk and commodity risk.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Strikes
                                         or labor disputes with our employees may adversely affect our ability to conduct our
                                         business.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
                                         impact of geopolitical activity on the economy, changes in government regulations such
                                         as income taxes, climate control initiatives, the timing or strength of an economic recovery
                                         in our markets and our ability to access capital markets.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
                                         chairman controls a majority of our voting power, and may have, or may develop in the
                                         future, interests that may diverge from yours.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Future
                                         sales of large blocks of our common stock may adversely impact our stock price.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
                                         liquidity and trading volume of our common stock.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
                                         business could be adversely affected by an outbreak of disease, epidemic or pandemic,
                                         such as the global&#160;coronavirus pandemic, or similar public threat, or fear of such
                                         an event.&#160;</span></td></tr></table>

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


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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
foregoing does not represent an exhaustive list of matters that may be covered by the forward-looking statements contained herein
or risk factors that we are faced with that may cause our actual results to differ from those anticipated in our forward-looking
statements. Moreover, new risks regularly emerge, and it is not possible for us to predict or articulate all risks we face, nor
can we assess the impact of all risks on our business or the extent to which any risk, or combination of risks, may cause actual
results to differ from those contained in any forward-looking statements. Except to the extent required by applicable laws or
rules, we undertake no obligation to publicly update or revise any forward-looking statement, whether as a result of new information,
future events or otherwise. You should review carefully the risks and uncertainties described under the heading &#8220;Part II
- Item 1A. Risk Factors&#8221; in this Quarterly Report on Form 10-Q and &#8220;Part I - Item 1A. Risk Factors&#8221; in our Annual
Report on Form 10-K for the year ended December 31, 2020 for a discussion of the foregoing and other risks that relate to our
business and investing in shares of our common stock.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>Business
Overview</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
manufacture, sell and service a broad range of specialty electrical infrastructure and on-site power generation equipment for
applications in the utility, industrial, commercial and backup power markets. Our principal products and services include switchgear
and engine-generator controls, complemented by a national field-service network to maintain and repair power generation assets.
The Company is headquartered in Fort Lee, New Jersey and operates from three (3) additional locations in the U.S. for manufacturing,
service and maintenance, engineering, sales and administration.</span></p>

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b>Recent Developments</b></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">On October 20, 2020, we entered into an At The
Market Sale Agreement with H.C. Wainwright &amp; Co., LLC (&#8220;Wainwright&#8221;), pursuant to which we may offer and sell our common
shares having an aggregate price of up to $9.0 million from time to time through Wainwright, acting as agent or principal (the &#8220;ATM
Program&#8221;). Shares of common stock are offered pursuant to a sales agreement prospectus included in the Company&#8217;s shelf registration
on Form S-3 filed with the Securities and Exchange Commission on October 20, 2020, which was declared effective on October 27, 2020. On
November 8, 2021, we sold 888,500 shares of common stock under the ATM Program, for total gross proceeds of approximately $9.0 million,
at an average price of $10.1288 per share. We incurred approximately $273 of costs related to the common shares issued (including a placement
fee of 3.0%, or approximately $270, to Wainwright), resulting in net proceeds of approximately $8.7 million.</p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>Description
of Business Segments</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
have two reportable segments: Transmission &amp; Distribution Solutions (&#8220;T&amp;D Solutions&#8221;) and Critical Power Solutions
(&#8220;Critical Power&#8221;).&#160;</span></p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
                                         T&amp;D Solutions business provides equipment solutions that help customers effectively
                                         and efficiently manage their electrical power distribution systems to desired specifications.
                                         These solutions are marketed principally through our Pioneer Custom Electrical Products
                                         Corp. (&#8220;PCEP&#8221;) brand name.</span></td></tr></table>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; margin-top: 0pt; margin-bottom: 0pt"><tr style="vertical-align: top">
<td style="width: 0.25in"></td><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
                                         Critical Power business performs service and maintenance on our customers&#8217; sophisticated
                                         power generation equipment and also provides customers with new and used power generation
                                         equipment intended to ensure smooth, uninterrupted power to operations during times of
                                         emergency. These solutions are marketed by our operations headquartered in Minnesota,
                                         currently doing business under the Titan Energy Systems Inc. (&#8220;Titan&#8221;) brand
                                         name.</span></td></tr></table>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>Distribution
Agreement</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">As
previously reported, on January 22, 2019, we entered into a Contract Manufacturing Agreement, dated as of January 22,
2019 (the &#8220;Contract Manufacturing Agreement&#8221;), by and among us and CleanSpark. Pursuant to the terms of the
Contract Manufacturing Agreement, the Company manufactured parallel switchgears, automatic transfer switches and related products
(collectively, &#8220;Products&#8221;) exclusively for purchase by CleanSpark. The Contract Manufacturing Agreement had a term
of 18 months and expired on the 18-month anniversary of the execution of the Contract Manufacturing Agreement.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">In
connection with the expiry of the Contract Manufacturing Agreement, we entered into a Distribution Agreement with CleanSpark (the
&#8220;Distribution Agreement&#8221;), dated as of May 31, 2021, pursuant to which CleanSpark will serve as our exclusive
distributor of the Products within any geographic region in which CleanSpark conducts its business (the &#8220;Sales
Channel&#8221;). We will serve as CleanSpark&#8217;s sole source of the Products, and of any similar goods or products that
would reasonably be deemed as interchangeable with such Products for sale within the Sales Channel. CleanSpark will purchase the
Products via written purchase orders to us. The price for the Products sold under the Distribution Agreement will be
determined on a job-by-job basis, provided that CleanSpark shall pay us 97% of the contract sales price of the Products to
all end-use customers. The Distribution Agreement terminates on December 31, 2023 and may be extended by mutual agreement of us and CleanSpark.</span></p>

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


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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>Critical
Accounting Policies</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">There
have been no material changes to our critical accounting policies as disclosed in our Annual Report on Form 10-K for the year
ended December 31, 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>RESULTS
OF OPERATIONS</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><i>Overview
of the Three and Nine Months Results</i></b></span></p>

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Selected financial and operating data for our reportable
business segments for the most recent reporting period is summarized below. This information, as well as the selected financial data provided
in Note 12&#160;-&#160;Business Segment and Geographic Information and in our unaudited Consolidated Financial Statements and related
notes included in this Quarterly Report on Form 10-Q, should be referred to when reading our discussion and analysis of results of operations
below.</p>
<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif">Our
summary of operating results during the three and nine months ended September 30, 2021 and 2020 are as follows:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">Three
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">Nine
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td><span style="font: 10pt Times New Roman, Times, Serif">Revenues</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in; width: 33%"><span style="font: 10pt Times New Roman, Times, Serif">T&amp;D
    Solutions</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,996</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,507</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">7,980</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">7,370</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Critical
    Power Solutions</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,689</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,544</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,833</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,768</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">Consolidated</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,685</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">4,051</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">14,813</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">14,138</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">Cost of goods sold</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">T&amp;D
    Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,810</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,199</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">7,807</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">7,639</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Critical
    Power Solutions</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,113</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,638</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,881</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">Consolidated</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">4,972</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">3,312</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">13,445</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">13,520</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">Gross profit</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">713</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">739</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,368</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">618</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Selling,
    general and administrative expenses</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,207</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,157</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">3,664</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">3,890</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Depreciation
    and amortization expense</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">24</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">33</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">74</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">111</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">Total
    operating expenses</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,231</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,190</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">3,738</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">4,001</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">Operating loss from
    continuing operations</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(518</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(451</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(2,370</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(3,383</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Interest
    income</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(99</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(55</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(288</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(242</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Other
    expense (income)</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">13</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(1,735</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(1,294</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(904</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">(Loss) income before
    taxes</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(432</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,339</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(788</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(2,237</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Income
    tax expense (benefit)</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#8211;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(19</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">Net
    (loss) income</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(434</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,339</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(769</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(2,242</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td></tr>
</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><i>Backlog</i></b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
backlog is based on firm orders from our customers expected to be delivered in the future, most of which is expected to occur
during the next twelve months. Backlog may vary significantly from reporting period to reporting period due to the timing of customer
commitments. The time between receipt of an order and actual delivery, or completion, of our products and services varies from
one or more days, in the case of inventoried standard products, to three to nine months, in the case of certain custom engineered
equipment solutions, and up to one year or more under our service contracts.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
following table represents the progression of our backlog, by reporting segment,&#160;as of the end of the last five quarters:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
    30,</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">June
    30,</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">March
    31,</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">December
    31,</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
    30,</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 19%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">T&amp;D
    Solutions</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,032</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,501</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">10,210</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,881</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">3,872</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">Critical
    Power Solutions</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,823</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,225</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,934</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,792</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">7,472</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">Total
    order backlog</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">10,855</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">12,726</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">17,144</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">12,673</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">11,344</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>


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    <div style="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><p style="margin: 0pt">&#160;</p></div>
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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><i>Revenue</i></b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
following table represents our revenues by reporting segment and major product category for the periods indicated:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 90%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Three
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Nine
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Variance</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">%</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Variance</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">%</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">T&amp;D Solutions</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 9px; width: 10%"><span style="font: 8pt Times New Roman, Times, Serif">Switchgear</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,507</span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,489</span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">98.8</span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">7,980</span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 1pt solid; width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">7,370</span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">8.3</span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">2,996</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,507</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,489</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">98.8</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">7,980</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">7,370</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">610</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">8.3</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Critical Power Solutions</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">Equipment</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">694</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">411</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">283</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">68.9</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,379</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">891</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">488</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">54.8</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">Service</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,995</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">2,133</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(138</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(6.5</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">5,454</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">5,877</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(423</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(7.2</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">2,689</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">2,544</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">145</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">5.7</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">6,833</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">6,768</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">65</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1.0</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">Total
    revenue</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">5,685</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">4,051</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,634</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">40.3</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">14,813</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">14,138</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">675</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">4.8</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the three months ended September 30, 2021, our consolidated revenue increased by $1.6 million, or 40.3%, to $5.7 million, up from
$4.1 million during the three months ended September 30, 2020, primarily due to an increase in sales of our switchgear from our
T&amp;D Solutions segment.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the nine months ended September 30, 2021, our consolidated revenue increased by $675, or 4.8%, to $14.8 million, up from $14.1
million during the nine months ended September 30, 2020, primarily due to an increase in sales of our switchgear from our T&amp;D
Solutions segment.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>T&amp;D
Solutions</i>. During the three months ended September 30, 2021, revenue from our switchgear product lines increased by $1.5 million,
or 98.8%, as compared to the three months ended September 30, 2020, as a result of increased sales of our automatic transfer switches
and medium voltage switchgear.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">During
the nine months ended September 30, 2021, revenue from our switchgear product lines increased by $610, or 8.3%, as compared to
the nine months ended September 30, 2020, as a result of increased sales of medium voltage switchgear, offset by a reduction in
sales of our automatic transfer switches and low voltage switchgear.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Critical
Power</i>. For the three months ended September 30, 2021, revenue for our equipment sales increased by $283, or 68.9%, as compared
to the same period in the prior year due to the shipment of two large equipment jobs during the three months ended September 30,
2021 and no comparable shipments being recognized during the three months ended September 30, 2020. Revenue for our service sales
decreased by $138, or 6.5%, as compared to the three months ended September 30, 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the nine months ended September 30, 2021, revenue for our equipment sales increased by $488, or 54.8%, as compared to the same
period in the prior year due to the shipment of two large equipment jobs during the nine months ended September 30, 2021 and no
comparable shipments being recognized during the nine months ended September 30, 2020. Revenue for our service sales decreased
by $423, or 7.2%, as compared to the nine months ended September 30, 2020.</span></p>

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


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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><i>Gross
Profit (Loss) and Gross Margin</i></b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
following table represents our gross profit (loss) by reporting segment for the periods indicated:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 90%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Three
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Nine
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="color: red; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Variance</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">%</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Variance</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">%</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">T&amp;D Solutions</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 9px; width: 10%"><span style="font: 8pt Times New Roman, Times, Serif">Gross
    profit (loss)</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">186</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">308</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(122</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">39.6</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">173</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(269</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">442</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">164.3</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">Gross
    margin %</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">6.2</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">20.4</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(14.2</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">2.2</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(3.6</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">5.8</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="color: red; font-style: italic"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="color: red; font-style: italic; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="color: red; font-style: italic; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="color: red; font-style: italic; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="color: red; font-style: italic"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="color: red; font-style: italic; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="color: red; font-style: italic; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="color: red; font-style: italic; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Critical Power Solutions</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">Gross
    profit</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">431</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">96</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">22.3</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,195</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">887</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">308</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">34.7</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">Gross
    margin %</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">19.6</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">16.9</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">2.7</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">17.5</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">13.1</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">4.4</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Consolidated
    gross profit (loss)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">713</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">739</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(26</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(3.5</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,368</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">618</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">750</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">121.4</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Consolidated gross margin
    %</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">12.5</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">18.2</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(5.7</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">9.2</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">4.4</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">4.8</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the three months ended September 30, 2021, our consolidated gross margin was 12.5% of revenues, compared to 18.2% during the three
months ended September 30, 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the nine months ended September 30, 2021, our consolidated gross margin was 9.2% of revenues, compared to 4.4% during the nine
months ended September 30, 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>T&amp;D
Solutions.</i> For the three months ended September 30, 2021, our gross margin decreased by 14.2%, to 6.2%, down from 20.4% for
the three months ended September 30, 2020 due to an increase in the cost of manufacturing supplies and labor. Furthermore, shipments
of our low-voltage switchgear, which have historically generated lower margins, increased during the three months September 30,
2021 as compared to the same period last year.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the nine months ended September 30, 2021, our gross margin increased by 5.8%, to 2.2%, up from (3.6)% for the nine months ended
September 30, 2020 due to recognizing a one-time $546 write down of inventory during the nine months ended September 30, 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Critical
Power</i>. For the three months ended September 30, 2021, our gross margin increased by 2.7%, to 19.6%, up from 16.9% for the
three months ended September 30, 2020, predominately due to a reduction in overhead costs and the acceptance of price increases
from our customers.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the nine months ended September 30, 2021, our gross margin increased by 4.4%, to 17.5%, up from 13.1% for the nine months ended
September 30, 2020, predominately due to a reduction in overhead costs and the acceptance of price increases from our customers.</span></p>

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


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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><i>Operating
Expenses</i></b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;The
following table represents our operating expenses by reportable segment for the periods indicated:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 90%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Three
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Nine
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="color: red; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Variance</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">%</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Variance</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">%</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0in"><span style="font: 8pt Times New Roman, Times, Serif">T&amp;D
    Solutions</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in; width: 10%; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Selling,
    general and administrative expense</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">283</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">247</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">36</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">14.6</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">823</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,044</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(221</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(21.2</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Depreciation
    and amortization expense</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">3</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">11</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(8</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(72.7</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">14</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">40</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(26</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(65.0</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Segment
    operating expense</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">286</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">258</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">28</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">10.9</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">837</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,084</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(247</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(22.8</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0in"><span style="font: 8pt Times New Roman, Times, Serif">Critical
    Power Solutions</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Selling,
    general and administrative expense</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">353</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">380</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(27</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(7.1</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,122</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,204</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(82</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(6.8</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Depreciation
    and amortization expense</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">14</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">14</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">39</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">46</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(7</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(15.2</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Segment
    operating expense</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">367</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">394</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(27</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(6.9</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,161</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,250</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(89</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(7.1</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0in"><span style="font: 8pt Times New Roman, Times, Serif">Unallocated
    Corporate Overhead Expenses</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Selling,
    general and administrative expense</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">571</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">530</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">41</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">7.7</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,719</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,642</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">77</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">4.7</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Depreciation
    and amortization expense</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">7</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">8</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(1</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(12.5</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">21</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">25</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(4</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(16.0</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Segment
    operating expense</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">578</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">538</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">40</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">7.4</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,740</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,667</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">73</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">4.4</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0in"><span style="font: 8pt Times New Roman, Times, Serif">Consolidated</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Selling,
    general and administrative expense</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,157</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">50</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">3,664</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">3,890</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(226</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(5.8</span></td><td style="text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Depreciation
    and amortization expense</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">24</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">33</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(9</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(27.3</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">74</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">111</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(37</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(33.3</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Consolidated
    operating expense</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,231</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">1,190</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">41</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">3.4</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">3,738</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">4,001</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(263</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(6.6</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td></tr>
</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Selling,
General and Administrative Expense</i>.&#160;For the three months ended September 30, 2021, consolidated selling, general and
administrative expense, before depreciation and amortization, increased by approximately $50, or 4.3%, to $1.2 million, as compared
to $1.2 million during the same period last year. As a percentage of our consolidated revenue, selling, general and administrative
expense, before depreciation and amortization, decreased to 21.2% during the three months ended September 30, 2021, as compared
to 28.6% in the three months ended September 30, 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the nine months ended September 30, 2021, consolidated selling, general and administrative expense, before depreciation and amortization,
decreased by approximately $226, or 5.8%, to $3.7 million, as compared to $3.9 million during the nine months ended September
30, 2020, primarily due to a reduction in professional fees related to the then-pending case titled Myers Power Products, Inc.
v. Pioneer Power Solutions, Inc., Pioneer Custom Electrical Products, Corp., et al., Los Angeles County Superior Court Case No.
BC606546, which was settled on November 20, 2020. As a percentage of our consolidated revenue,
selling, general and administrative expense, before depreciation and amortization, decreased to 24.7% during the nine months ended
September 30, 2021, as compared to 27.5% in the nine months ended September 30, 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Depreciation
and Amortization Expense.</i> Depreciation and amortization expense consists primarily of depreciation of fixed assets and amortization
of definite-lived intangible assets and right-of-use assets related to our finance leases, and excludes amounts included in cost
of sales. For the three and nine months ended September 30, 2021, consolidated depreciation and amortization expense decreased
by $9, or 27.3%, and $37, or 33.3%, respectively, as compared to the three and nine months ended September 30, 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><i>Operating
(Loss) Income</i></b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
following table represents our operating (loss) income by reportable segment for the periods indicated:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 90%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Three
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Nine
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="color: red; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="14" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Variance</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">%</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">Variance</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 8pt Times New Roman, Times, Serif">%</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; width: 10%"><span style="font: 8pt Times New Roman, Times, Serif">T&amp;D Solutions</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(100</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">50</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(150</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">300.0</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(664</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(1,353</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">689</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 7%; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">50.9</span></td><td style="width: 1%; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Critical Power Solutions</span></td><td><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
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<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-bottom: 2.5pt; padding-left: 0.125in"><span style="font: 8pt Times New Roman, Times, Serif">Total
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    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">$</span></td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 8pt Times New Roman, Times, Serif">(2,370</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 8pt Times New Roman, Times, Serif">)</span></td><td style="padding-bottom: 2.5pt"><span style="font: 8pt Times New Roman, Times, Serif">&#160;</span></td>
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</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>T&amp;D
Solutions</i>.&#160;During the three and nine months ended September 30, 2021, our T&amp;D Solutions segment generated an operating
loss of $100 and $664, respectively, as compared to an operating income of $50 and an operating loss of $1.4 million for the same
respective periods in 2020.</span></p>

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

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

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Critical
Power</i>. During the three and nine months ended September 30, 2021, our Critical Power segment generated an operating income
of $160 and $34, respectively, as compared to operating income of $37 and an operating loss of $363 during the three and nine
months ended September 30, 2020, respectively. The increase in operating income for the three and nine months ended September
30, 2021 is due primarily to a reduction in overhead costs and the acceptance of price increases from our customers.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>General
Corporate Expense</i>. Our general corporate expense is comprised primarily of executive management, corporate accounting and
human resources personnel, office expenses, financing and corporate development activities, payroll and&#160;benefits administration,
treasury, tax compliance, legal, stock-based compensation and public reporting costs, and costs not specifically allocated to
reportable business segments.&#160;During the three and nine months ended September 30, 2021, our unallocated corporate overhead
expense increased by $39, or 7.2%, to $577, and by $73, or 4.4%, to $1.7 million, as compared to the three and nine months ended
September 30, 2020, primarily due to an increase in stock-based compensation expense offset by a reduction in professional fees.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><i>Non-Operating
(Income) Expense</i></b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Interest
Income. </i>For the three and nine months ended September 30, 2021, we had interest income of approximately $99 and $288,
respectively, as compared to interest income of approximately $55 and $242 during the three and nine months ended September 30,
2020, respectively. The Company generates the majority of its interest income from the Seller Notes it received from the sale
of the transformer business units in August 2019 and its cash on hand.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Other
Expense (Income). </i>For the three months ended September 30, 2021, other expense was $13, as compared to other income of $1.7
million during the three months ended September 30, 2020. For the three months ended September 30, 2020, included in other income
was a gain of $1.7 million related to the sale of CleanSpark Common Stock and warrants.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the nine months ended September 30, 2021, other income was $1.3 million, as compared to other income of $904 during the nine months
ended September 30, 2020. For the nine months ended September 30, 2021, included in other income was a gain of $1.4 million for
the extinguishment and forgiveness of the PPP Loan. For the nine months ended September 30, 2020, included in other income was
a gain of $968 related to the sale and mark to market adjustment on the fair value of the CleanSpark Common Stock and warrants.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Income
Tax Expense (Benefit)</i>. Our effective income tax rate was (0.5)% for the three months ended September 30, 2021, compared to
0.0% during the three months ended September 30, 2020. For the nine months ended September 30, 2021, our effective income tax
rate was 2.4%, as compared to an income tax rate of (0.2)% during the nine months ended September 30, 2020, as set forth below:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></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="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="10" style="font-weight: bold; text-align: center">Three Months Ended</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="10" style="font-weight: bold; text-align: center">Nine Months Ended</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">September 30,</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="10" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">September 30,</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">Variance</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">Variance</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 18%; text-align: left; padding-left: 0.125in; text-indent: -0.125in">(Loss) income before income taxes</td><td style="width: 1%">&#160;</td>
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    <td style="width: 1%; text-align: left">$</td><td style="width: 9%; text-align: right">1,339</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 9%; text-align: right">(1,771</td><td style="width: 1%; text-align: left">)</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 9%; text-align: right">(788</td><td style="width: 1%; text-align: left">)</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 9%; text-align: right">(2,237</td><td style="width: 1%; text-align: left">)</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 9%; text-align: right">1,449</td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in">Income tax expense (benefit)</td><td>&#160;</td>
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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">2</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">5</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">(24</td><td style="text-align: left">)</td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.25in; text-indent: -0.125in">Effective income tax rate&#160;%</td><td>&#160;</td>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">(0.5</td><td style="text-align: left">)</td><td>&#160;</td>
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</table>




<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><i>Net
(Loss) Income per Share</i></b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
generated a net loss of $434 during the three months ended September 30, 2021, as compared to net income of $1.3 million during
the three months ended September 30, 2020. Our net loss per basic and diluted share for the three months ended September 30, 2021
was $0.05, as compared to net income per basic and diluted share of $0.15 for the three months ended September 30, 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
generated a net loss of $769 during the nine months ended September 30, 2021, as compared to a net loss of $2.2 million during
the nine months ended September 30, 2020. Our net loss per basic and diluted share for the nine months ended September 30, 2021
was $0.09, as compared to a net loss per basic and diluted share of $0.26 for the nine months ended September 30, 2020.</span></p>

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

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

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>LIQUIDITY
AND CAPITAL RESOURCES</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>General</i>.
At September 30, 2021, we had $3.4 million of cash on hand. We have historically met our cash needs through a combination of cash
flows from operating activities and bank borrowings. Our cash requirements have been generally applied toward operating activities,
debt repayment, capital improvements and acquisitions.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum
to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></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 style="color: red; font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="2" style="font-weight: bold; text-align: center">September 30,</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="2" style="font-weight: bold; text-align: center">December 31,</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 59%">Cash</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">3,372</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">7,567</td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt">Restricted 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">1,775</td><td style="padding-bottom: 1pt; text-align: left">&#160;</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">&#8212;</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: left; padding-bottom: 2.5pt; padding-left: 9px">Total cash and restricted cash as shown in the statement of cash flows</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">5,147</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">7,567</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
have restricted cash of approximately $1.8 million as a result of executing a cash collateral security agreement with a commercial
bank which required us to pledge cash collateral as security for all unpaid reimbursement obligations owing to the commercial bank
for an irrevocable standby letter of credit.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
January 30, 2020, the World Health Organization (&#8220;WHO&#8221;) announced a global health emergency because of a new strain
of coronavirus originating in Wuhan, China and the risks to the international community as the virus spreads globally beyond its
point of origin. In March 2020, the WHO classified the COVID-19 outbreak as a pandemic (the &#8220;COVID-19 pandemic&#8221;),
based on the rapid increase in exposure globally.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
full impact of the COVID-19 pandemic continues to evolve as the date of this report. As such, it is uncertain as to the full magnitude
that the pandemic will have on the Company&#8217;s financial condition, liquidity, and future results of operations. During the
three months ended September 30, 2021, we experienced an impact to productivity as a result of following social distancing
guidelines and practicing personal protective measures. Notwithstanding, the Company has been able to operate substantially at
capacity during the COVID-19 pandemic. Management is actively monitoring the global situation on its financial condition, liquidity,
operations, suppliers, industry, and workforce. Given the daily evolution of the COVID-19 pandemic and the global responses to
contain its spread, we are not able to estimate the full effects of the COVID-19 pandemic at this time, however, if the
pandemic continues, it may continue to have an adverse effect on our results of operations, financial condition,
or liquidity.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
March 27, 2020, then President Trump signed into law the &#8220;Coronavirus Aid, Relief, and Economic Security (CARES) Act&#8221;
(the &#8220;CARES Act&#8221;) The CARES Act, among other things, appropriates funds for the SBA Paycheck Protection Program loans
that are forgivable in certain situations to promote continued employment. On April 13, 2020, after having determined that it
met the qualifications for this loan program due to the impact that COVID-19 would have on our financial condition, results of
operations, and/or liquidity and applying for relief, we received a loan under the SBA Paycheck Protection Program (the
&#8220;PPP Loan&#8221;) in the amount of $1.4 million.&#160;</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Under
the terms of the PPP Loan, we were eligible for full or partial loan forgiveness. During the first quarter of 2021, the
Company received full forgiveness of the PPP Loan and recognized a $1.4 million gain on extinguishment and forgiveness of debt
in other expense (income).</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Cash
Provided by/ (Used in) Operating Activities</i>. Cash provided by our operating activities was $839 during the nine months ended
September 30, 2021, as compared to cash used in our operating activities of $1.3 million during the nine months ended September 30,
2020. The decrease in cash used in operating activities is primarily due to recognizing a gain of $968 related to the sale and mark
to market adjustment on the fair value of CleanSpark Common Stock and warrants during the nine months ended September 30, 2020, and
there was no comparable gain during the nine months ended September 30, 2021.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Cash
(Used in)/ Provided by Investing Activities.</i> Cash used in investing activities during the nine months ended September 30,
2021 was $156, as compared to cash provided by investing activities of $2.6 million during the nine months ended September 30,
2020. The increase in cash used in investing activities in the comparable periods is primarily due to recognizing $2.4 million
of proceeds from the sale of the CleanSpark Common Stock and warrants during the nine months ended September 30, 2020, and there
were no comparable proceeds recognized during the nine months ended September 30, 2021.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Cash
(Used in)/ Provided by Financing Activities.</i> Cash used in our financing activities was $3.1 million during the nine months
ended September 30, 2021, as compared to cash provided by financing activities of $116 during the nine months ended September
30, 2020. The primary use of cash in financing activities for the nine months ended September 30, 2021 was repayments of financing
leases. The increase in cash used in financing activities for the comparable periods is due to recognizing a dividend paid to
shareholders and a gain on the extinguishment and forgiveness of the PPP Loan during the nine months ended September 30, 2021,
and there were no comparable payments or gain during the nine months ended September 30, 2020.</span></p>

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

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

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Working
Capital</i>. As of September 30, 2021, we had working capital of $5.7 million, including $3.4 million of cash and $1.8 million
of restricted cash, compared to working capital of $8.4 million, including $7.6 million of cash at December 31, 2020. At September
30, 2021 and December 31, 2020, we no longer had a revolving credit facility, as it was paid in full in August 2019 with the proceeds
from the sale of the transformer business units.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><i>Assessment of Liquidity</i>. At September 30, 2021,
we had $3.4 million of cash on hand, generated primarily from the completion of the August 2019 sale of (i) all of the issued and outstanding
equity interests of Electrogroup Canada, Inc., a wholly owned subsidiary of the Company, and (ii) all of the issued and outstanding equity
interests of Jefferson Electric, Inc., a wholly owned subsidiary of the Company, and JE Mexican Holdings, Inc., a wholly owned subsidiary
of the Company, the sale of the CleanSpark Common Stock and warrants to purchase CleanSpark Common Stock, proceeds from insurance and
the PPP Loan. We have historically met our cash needs through a combination of cash flows from operating activities and bank borrowings.
Our cash requirements historically were generally for operating activities, debt repayment, capital improvements and acquisitions.</p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
June 1, 2021, our board of directors declared a special cash dividend of $0.12 per common share, payable to
shareholders of record as of June 22, 2021, to be paid on July 7, 2021. The cash dividends were paid in July of 2021 and equaled
$0.12 per share on the $0.001 par value common stock resulting in an aggregate distribution of approximately $1.0 million
representing a capital repayment paid from APIC.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">As
all outstanding amounts under our credit facilities have been paid in full with the proceeds from the sale of the transformer
business units during the year ended December 31, 2019, and the credit facilities terminated, we expect to meet our cash needs
with our working capital and cash flows from our operating activities. We expect our cash requirements to be generally for operating
activities and capital improvements. We expect that our cash balance is sufficient to fund operations for the next twelve months.</span></p>

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

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

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
additions to property, plant and equipment were $156 during the nine months ended September 30, 2021 as compared to no additions
during the nine months ended September 30, 2020. At September 30, 2021 and 2020, we no longer had a revolving credit facility
as it was paid in full and terminated in August 2019 with the proceeds from the sale of the transformer business units.</span></p>

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


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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a010"></span>ITEM&#160;3.
QUANTITATIVE AND QUALITATIVE DISCLOSURES ABOUT MARKET RISK</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif">Not
applicable.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a011"></span>ITEM
4. CONTROLS AND PROCEDURES</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>Management&#8217;s
Conclusions Regarding Effectiveness of Disclosure Controls and Procedures</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
conducted an evaluation of the effectiveness of our &#8220;disclosure controls and procedures&#8221; (&#8220;Disclosure Controls&#8221;),
as defined by Rules&#160;13a-15(e) and 15d-15(e) of the Securities Exchange Act of 1934, as amended (the &#8220;Exchange Act&#8221;),
as of September 30, 2021 (the &#8220;Evaluation Date&#8221;), the end of the period covered by this Quarterly Report on Form 10-Q.
There are inherent limitations to the effectiveness of any system of disclosure controls and procedures. As of September 30, 2021,
based on the evaluation of these disclosure controls and procedures, our chief executive officer and chief financial officer have
concluded that our disclosure controls and procedures were effective at the reasonable assurance level.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Management
believes that the condensed consolidated financial statements in this Quarterly Report on Form 10-Q fairly present, in all material
respects, the Company&#8217;s financial condition as of the Evaluation Date, and results of its operations and cash flows for
the Evaluation Date, in conformity with United States Generally Accepted Accounting Principles.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>Changes
in Internal Control over Financial Reporting</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">There
has been no change in our internal control over financial reporting during the quarter ended September 30, 2021 that materially
affected, or is reasonably likely to materially affect, our internal control over financial reporting.</span></p>

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


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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a012"></span>PART
II &#8211; OTHER INFORMATION</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a013"></span>ITEM
1. LEGAL PROCEEDINGS</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">From
time to time, we may become involved in lawsuits, investigations and claims that arise in the ordinary course of business.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
January 11, 2016, Myers Power Products, Inc., a specialty electrical products manufacturer, filed suit with the Superior Court
of the State of California, County of Los Angeles, against us, PCEP and two PCEP employees who are former employees of Myers Power
Products, Inc., Geo Murickan, the president of PCEP (&#8220;Murickan&#8221;), and Brett DeChellis (&#8220;DeChellis&#8221;), alleging,
among other things, that Murickan wrongly used and retained confidential business information of Myers Power Products, Inc. for
the benefit of us and PCEP, in breach of their confidentiality agreement and/or employment agreement entered into with Myers Power
Products, Inc., and that we and PCEP knowingly received and used such confidential business information. Myers Power Products,
Inc. sought injunctive relief enjoining us, PCEP and our employees from using its confidential business information and compensatory
damages of an unspecified unlimited amount; however, the Company recognized approximately $1.2 million for expected costs related
to this litigation in the prior two fiscal years.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
October 4, 2019, the dividend that was payable by the Company was enjoined by court order of the Superior Court of California
related to the foregoing case. On October 16, 2019, Myers Power Products, Inc. filed an ex parte application arguing the Company
had violated, or intended to violate the modified preliminary injunction and sought an order from the court for the Company to
post a bond in an amount of $30,000 or more (which was not granted). The Company cancelled the dividend as the result of this
court order.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">There
were also two related appeals in the California Court of Appeal for the Second Appellate District (&#8220;Court of Appeal&#8221;).
Case no. B301494 was an appeal of the October 4, 2019 order modifying a previously issued preliminary injunction. Case no. B302943
was an appeal of the November 26, 2019 order requiring Pioneer Power Solutions, Inc. and Pioneer Custom Electrical Products Corp.
to obtain and post a $12 million bond. On April 10, 2020, the Court of Appeal granted our motion to combine the two appeals.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
November 20, 2020, the Company entered into a settlement and release agreement with Myers Power Products, Inc. As part of the
settlement, all injunctions were dissolved, and all litigation and appeals related to the action were dismissed with prejudice.
The parties executed full releases of all known and unknown claims, thereby eliminating all such restrictions on the Company.
Terms of the settlement were not disclosed; however, the Company agreed to pay Myers Power Products, Inc. an amount that did not
differ significantly from the $1.2 million of expected costs the Company recognized as a legal contingency during the year ended
December 31, 2018. This payment was made during the fourth quarter of 2020.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
can give no assurance that any other lawsuits or claims brought in the future will not have an adverse effect on our financial
condition, liquidity or operating results.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">As
of the date hereof, we are not aware of or a party to any legal proceedings to which we or any of our subsidiaries is a party
or to which any of our property is subject, nor are we aware of any such threatened or pending litigation or any such proceedings
known to be contemplated by governmental authorities that we believe could have a material adverse effect on our business, financial
condition or operating results.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
are not aware of any material proceedings in which any of our directors, officers or affiliates or any registered or beneficial
shareholder of more than 5% of our common stock is an adverse party or has a material interest adverse to our interest.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a014"></span>ITEM
1A. RISK FACTORS</b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><i>Except as otherwise set forth below, there have
been no material developments to alter the risk factors disclosed in our Annual Report on Form 10-K for the fiscal year ended December
31, 2020.</i></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b><i>The trading volume of our common stock has recently
increased to a level that is significantly higher than our historical average. If the trading volume of our common stock decreases, we
will not be able to ensure investors that an active market for our common stock will be sustained.</i></b></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 trading volume of our common stock spiked significantly
in Fiscal 2021 and Fiscal 2020, and our common stock has continued to trade at higher volumes than our historical average. We do not know
why the trading volume of our common stock has spiked significantly; we believe, however, that the sharp spike in the trading volume of
our common stock is the result of a number of factors outside our control, including recent volatility in the stock market, which continues
to remain unpredictable. There has been no recent change in our financial condition or results of operations that is consistent with the
increase in the trading volume of our common stock, and the recent spike in the trading volume of our common stock may not be sustained.</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">In the event of a rapid decrease in the trading volume
of our common stock, there can be no assurance that an active trading market in our common stock could be maintained, and any illiquidity
resulting from such a decrease in the trading volume of our common stock may result in the market price not accurately reflecting our
relative value. If our common stock were to be thinly traded, even limited trading in our common stock could lead, as it has at times
in the past, to dramatic fluctuations in share price, and investors might not be able to liquidate their investment in us at all or at
a price that reflects the value of the business.</p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a015"></span>ITEM
2. UNREGISTERED SALES OF EQUITY SECURITIES AND USE OF PROCEEDS</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">None.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a016"></span>ITEM
3. DEFAULTS UPON SENIOR SECURITIES</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif">None.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a017"></span>ITEM
4. MINE SAFETY DISCLOSURES</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif">Not
applicable.</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a018"></span>ITEM
5. OTHER INFORMATION</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif">None.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="ppsi10q093021a019"></span>ITEM
6. EXHIBITS</b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">See
the Exhibit Index following the signature page to this Quarterly Report on Form 10-Q for a list of exhibits filed or furnished
with this report, which Exhibit Index is incorporated herein by reference.<br /></span></p>

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


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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center">&#160;</p>

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

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

<table cellspacing="0" cellpadding="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<tr>
    <td style="border-bottom: black 1pt solid; vertical-align: top; width: 10%"><p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>Exhibit</b>&#160;</span></p>
        <p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>No.</b>&#160;</span></p></td>
    <td style="vertical-align: top; width: 3%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: black 1pt solid; vertical-align: bottom; width: 87%"><span style="font: 10pt Times New Roman, Times, Serif"><b>Description</b></span></td></tr>
<tr style="vertical-align: top">
    <td><p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000138713119000491/ex2-1.htm">2.1</a></span></p>
        <p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"></p></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000138713119000491/ex2-1.htm">Agreement and Plan of Merger Agreement, dated January 22, 2019, between Pioneer Critical Power Inc. and CleanSpark. (Incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on January 28, 2019).</a> &#160; &#160;</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000138713119004719/ex2-1.htm">2.2</a></span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000138713119004719/ex2-1.htm">Stock Purchase Agreement, dated as of June 28, 2019, by and among Pioneer Power Solutions, Inc., Electrogroup Canada, Inc., Jefferson Electric, Inc., JE Mexican Holdings, Inc., Nathan Mazurek, Pioneer Transformers L.P. and Pioneer Acquireco ULC (Incorporated by reference to Exhibit 2.1to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on July 1, 2019).</a></span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000138713119006046/ex2-1.htm">2.3</a></span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000138713119006046/ex2-1.htm">Amendment No. 1 to the Stock Purchase Agreement, dated as of August 13, 2019, by and among Pioneer Power Solutions, Inc., Electrogroup Canada, Inc., Jefferson Electric, Inc., JE Mexican Holdings, Inc., Pioneer Transformers L.P. and Pioneer Acquireco ULC (incorporated by reference to Exhibit 2.1 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on August14, 2019).</a> &#160; </span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000093041311004448/c65805_ex3-1.htm">3.1</a></span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000093041311004448/c65805_ex3-1.htm">Composite Certificate of Incorporation (Incorporated by reference to Exhibit 3.1 to Amendment No. 4 to the Registration Statement on Form S-1 of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on June 21, 2011).</a> &#160;</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: top">
    <td><p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000125529409000847/ex3_2.htm">3.2</a></span></p>
        <p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"></span></p></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><a href="http://www.sec.gov/Archives/edgar/data/1449792/000125529409000847/ex3_2.htm">Bylaws (Incorporated by reference to Exhibit 3.2 to the Current Report on Form 8-K of Pioneer Power Solutions, Inc. filed with the Securities and Exchange Commission on December 2, 2009).</a></span></td></tr>
<tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="text-align: justify">&#160;</td>
    <td style="text-align: justify">&#160;</td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex31-1.htm">31.1*</a></span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex31-1.htm">Certification of Chief Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</a></span></td></tr>
<tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="text-align: justify">&#160;</td>
    <td style="text-align: justify">&#160;</td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex31-2.htm">31.2*</a></span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex31-2.htm">Certification of Chief Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002.</a></span></td></tr>
<tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="text-align: justify">&#160;</td>
    <td style="text-align: justify">&#160;</td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex32-1.htm">32.1*</a></span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex32-1.htm">Certification of Chief Executive Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.</a></span></td></tr>
<tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="text-align: justify">&#160;</td>
    <td style="text-align: justify">&#160;</td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex32-2.htm">32.2*</a></span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><a href="ex32-2.htm">Certification of Chief Financial Officer pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.</a></span></td></tr>
<tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="text-align: justify">&#160;</td>
    <td style="text-align: justify">&#160;</td></tr>
<tr style="vertical-align: top">
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">101*</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
    following materials from the Company&#8217;s Quarterly Report on Form 10-Q for the quarter ended September 30, 2021, formatted
    in XBRL (eXtensible Business Reporting Language), (i) Consolidated Statements of Operations, (ii) Consolidated Balance Sheets,
    (iii) Consolidated Statements of Comprehensive (Loss) Income, (iv) Consolidated Statements of Cash Flows and (v) Notes to
    the Consolidated Financial Statements.</span></td></tr>
</table>
<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"></p>

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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">*
Filed herewith.</span></p>

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


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    <div style="page-break-before: always; margin-top: 6pt; margin-bottom: 6pt"><p style="margin: 0pt">&#160;</p></div>
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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center">&#160;</p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif"><b>SIGNATURES</b></span></p>

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

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

<table cellspacing="0" cellpadding="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<tr style="vertical-align: top">
    <td style="width: 50%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 4%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 46%"><span style="font: 10pt Times New Roman, Times, Serif"><b>PIONEER POWER SOLUTIONS,
    INC.</b></span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">Date:&#160;November 15, 2021</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">By:</span></td>
    <td style="border-bottom: black 1pt solid"><span style="font: 10pt Times New Roman, Times, Serif">/s/ Nathan
    J. Mazurek</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">Name: Nathan J. Mazurek</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td><span style="font: 10pt Times New Roman, Times, Serif">Title: Chief Executive Officer</span></td></tr>
</table>
<p style="margin-top: 0; margin-bottom: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<tr style="vertical-align: top">
    <td style="width: 54%; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Date:
    November 15, 2021</span></td>
    <td style="width: 46%; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">/s/
    Walter Michalec</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-top: black 1pt solid; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Name:
    Walter Michalec</span></td></tr>
<tr style="vertical-align: top">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td><p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif">Title:
Chief Financial Officer&#160;</span></p>
        <p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif">(Principal
Financial Officer duly authorized to sign on behalf of&#160;Registrant)&#160;</span></p></td></tr>
</table>

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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>2
<FILENAME>ex31-1.htm
<DESCRIPTION>CERTIFICATION OF CHIEF EXECUTIVE OFFICER
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"></P>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 3pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 2px solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: left"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><A HREF="ppsi-10q_093021.htm">PIONEER POWER SOLUTIONS, INC. 10-Q</A></FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>EXHIBIT
31.1</B></FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>CERTIFICATION</B></FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">I,
Nathan J. Mazurek, certify that:</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">1.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">I
    have reviewed this Quarterly Report on Form 10-Q of Pioneer Power Solutions, Inc.;</FONT></TD></TR>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The
    registrant&rsquo;s other certifying officer(s) 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>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 2%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">a.</FONT></TD>
    <TD STYLE="text-align: justify; width: 94%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">b.</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">c.</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">d.</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">5.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%"><P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The registrant&rsquo;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant&rsquo;s auditors and the audit committee of the registrant&rsquo;s board of directors (or persons performing the</FONT></P>
                                                <P STYLE="margin-top: 0; margin-bottom: 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">equivalent functions):</FONT></P></TD></TR>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 2%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">a.</FONT></TD>
    <TD STYLE="text-align: justify; width: 94%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">b.</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Date:
    &nbsp;November 15, 2021</FONT></TD>
    <TD STYLE="width: 50%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/
    Nathan J. Mazurek</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="border-top: black 1pt solid; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Nathan
    J. Mazurek</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">President,
Chief Executive Officer and&nbsp;</FONT></P>
        <P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Chairman
of the Board of Directors (Principal Executive Officer duly authorized to sign on behalf of Registrant)&nbsp;</FONT></P></TD></TR>
</TABLE>



<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"></P>

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    <!-- Field: /Page -->



</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>3
<FILENAME>ex31-2.htm
<DESCRIPTION>CERTIFICATION OF CHIEF FINANCIAL OFFICER
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 3pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 2px solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: left"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><A HREF="ppsi-10q_093021.htm">PIONEER POWER SOLUTIONS, INC. 10-Q</A></FONT></P>
<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>EXHIBIT
31.2</B></FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>CERTIFICATION</B></FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">I,
Walter Michalec, certify that:</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">1.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">I
    have reviewed this Quarterly Report on Form 10-Q of Pioneer Power Solutions, Inc.;</FONT></TD></TR>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The
    registrant&rsquo;s other certifying officer(s) 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>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 2%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">a.</FONT></TD>
    <TD STYLE="text-align: justify; width: 94%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">b.</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">c.</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">d.</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">5.</FONT></TD>
    <TD STYLE="vertical-align: top; width: 94%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The
    registrant&rsquo;s other certifying officer(s) and I have disclosed, based on our most recent evaluation of internal control
    over financial reporting, to the registrant&rsquo;s auditors and the audit committee of the registrant&rsquo;s board of directors
    (or persons performing the equivalent functions):</FONT></TD></TR>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 2%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">a.</FONT></TD>
    <TD STYLE="text-align: justify; width: 94%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">b.</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">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="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Date:
    November 15, 2021</FONT></TD>
    <TD STYLE="width: 50%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/
    Walter Michalec</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="border-top: black 1pt solid; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Walter
    Michalec</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD><P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Chief
Financial Officer&nbsp;</FONT></P>
        <P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(Principal
Financial Officer duly authorized to sign on behalf of&nbsp;Registrant)&nbsp;</FONT></P></TD></TR>
</TABLE>



<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"></P>

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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>4
<FILENAME>ex32-1.htm
<DESCRIPTION>CERTIFICATION OF CHIEF EXECUTIVE OFFICER
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right">&nbsp;</P>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 3pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 2px solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: left"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><A HREF="ppsi-10q_093021.htm">PIONEER POWER SOLUTIONS, INC. 10-Q</A></FONT></P><P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>EXHIBIT
32.1</B></FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>CERTIFICATION
OF CHIEF EXECUTIVE OFFICER</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>PURSUANT
TO</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>18
U.S.C. SECTION&nbsp;1350,</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>AS
ADOPTED PURSUANT TO</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>SECTION&nbsp;906
OF THE SARBANES-OXLEY ACT OF 2002</B></FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">This
certification is furnished solely pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. 1350) and accompanies the
Quarterly Report on Form 10-Q (the &ldquo;Form 10-Q&rdquo;) for the fiscal quarter ended September 30, 2021 of Pioneer Power Solutions,
Inc. (the &ldquo;Company&rdquo;). I, Nathan J. Mazurek, the Chief Executive Officer of the Company, certify that, based on my
knowledge:</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="width: 6%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(1)</FONT></TD>
    <TD STYLE="width: 1%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 90%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The
    Form 10-Q fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934; and</FONT></TD></TR>
<TR>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(2)</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The information
    contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of
    the Company as of and for the periods covered in this report.</FONT></TD></TR>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Date:
    November 15, 2021</FONT></TD>
    <TD STYLE="width: 8%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD STYLE="width: 42%; border-bottom: black 1pt solid; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/
    Nathan J. Mazurek</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Nathan J. Mazurek</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Chief Executive
    Officer</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The
foregoing certification is being furnished as an exhibit to the Form 10-Q pursuant to Item 601(b)(32) of Regulation S-K and Section
906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) and,
accordingly, is not being filed as part of the Form 10-Q for purposes of Section 18 of the Securities Exchange Act of 1934, as
amended, and is not incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless
of any general incorporation language in such filing.</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>


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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>5
<FILENAME>ex32-2.htm
<DESCRIPTION>CERTIFICATION OF CHIEF FINANCIAL OFFICER
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right">&nbsp;</P>

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 3pt; margin-bottom: 3pt"><DIV STYLE="font-size: 1pt; border-top: Black 2px solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: left"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><A HREF="ppsi-10q_093021.htm">PIONEER POWER SOLUTIONS, INC. 10-Q</A></FONT></P>
<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>EXHIBIT
32.2</B></FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: right"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>CERTIFICATION
OF CHIEF FINANCIAL OFFICER</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>PURSUANT
TO</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>18
U.S.C. SECTION&nbsp;1350,</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>AS
ADOPTED PURSUANT TO</B>&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>SECTION&nbsp;906
OF THE SARBANES-OXLEY ACT OF 2002</B></FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">This
certification is furnished solely pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. 1350) and accompanies the
Quarterly Report on Form 10-Q (the &ldquo;Form 10-Q&rdquo;) for the fiscal quarter ended September 30, 2021 of Pioneer Power Solutions,
Inc. (the &ldquo;Company&rdquo;). I, Walter Michalec, the Chief Financial Officer of the Company, certify that, based on my knowledge:</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; font: 10pt Arial, Helvetica, Sans-Serif; border-collapse: collapse">
<TR>
    <TD STYLE="width: 6%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 3%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(1)</FONT></TD>
    <TD STYLE="width: 1%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top; width: 90%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The
    Form 10-Q fully complies with the requirements of Section 13(a) or Section 15(d) of the Securities Exchange Act of 1934; and</FONT></TD></TR>
<TR>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">(2)</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="vertical-align: top"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The information
    contained in the Form 10-Q fairly presents, in all material respects, the financial condition and results of operations of
    the Company as of and for the periods covered in this report.</FONT></TD></TR>
</TABLE>
<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Arial, Helvetica, Sans-Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Date:
    November 15, 2021</FONT></TD>
    <TD STYLE="width: 8%; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD STYLE="width: 42%; border-bottom: black 1pt solid; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/
    Walter Michalec</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Walter Michalec</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title:</FONT></TD>
    <TD STYLE="text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Chief Financial
    Officer</FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">The
foregoing certification is being furnished as an exhibit to the Form 10-Q pursuant to Item 601(b)(32) of Regulation S-K and Section
906 of the Sarbanes-Oxley Act of 2002 (subsections (a) and (b) of Section 1350, Chapter 63 of Title 18, United States Code) and,
accordingly, is not being filed as part of the Form 10-Q for purposes of Section 18 of the Securities Exchange Act of 1934, as
amended, and is not incorporated by reference into any filing of the Company, whether made before or after the date hereof, regardless
of any general incorporation language in such filing.</FONT></P>

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&nbsp;</FONT></P>

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    <!-- Field: /Page -->

<P STYLE="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"></FONT></P>




</BODY>
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</TEXT>
</DOCUMENT>
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<SEQUENCE>6
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:roleType roleURI="http://pioneerpower.com/role/StockholdersEquityTables" id="StockholdersEquityTables">
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:definition>00000033 - Disclosure - The following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows: (Details)</link:definition>
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:definition>00000037 - Disclosure - OTHER EXPENSE (INCOME) (Details Narrative)</link:definition>
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	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:roleType roleURI="http://pioneerpower.com/role/ComponentsOfInventoriesAreSummarizedBelowDetails" id="ComponentsOfInventoriesAreSummarizedBelowDetails">
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:definition>00000039 - Disclosure - Property, plant and equipment are summarized below: (Details)</link:definition>
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:usedOn>link:definitionLink</link:usedOn>
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	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:definition>00000045 - Disclosure - A summary of stock option activity under the 2011 Long-Term Incentive Plan as of September 30, 2021, and changes during the nine months ended September 30, 2021, are presented below: (Details)</link:definition>
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	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	  <link:definition>00000048 - Disclosure - Revenues are attributable to countries based on the location of the Company's customers: (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://pioneerpower.com/role/BusinessSegmentAndGeographicInformationDetailsNarrative" id="BusinessSegmentAndGeographicInformationDetailsNarrative">
	  <link:definition>00000049 - Disclosure - BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
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	  <link:definition>00000052 - Disclosure - Weighted Average Remaining Lease Term and Weighted Average Discount Rate (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:definition>00000053 - Disclosure - Future minimum lease payments under non-cancellable leases as of September 30, 2021 were as follows: (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:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
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	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
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	<link:linkbaseRef xlink:type="simple" xlink:href="ppsi-20210930_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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</schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>7
<FILENAME>ppsi-20210930_cal.xml
<DESCRIPTION>XBRL CALCULATION FILE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseholdImprovementsMember_lbl" xml:lang="en-US">Leasehold Improvements [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_ConstructionInProgressMember" xlink:label="us-gaap_ConstructionInProgressMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConstructionInProgressMember" xlink:to="us-gaap_ConstructionInProgressMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConstructionInProgressMember_lbl" xml:lang="en-US">Construction in Progress [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_NoncashOrPartNoncashDivestituresByUniqueNameAxis" xlink:label="us-gaap_NoncashOrPartNoncashDivestituresByUniqueNameAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NoncashOrPartNoncashDivestituresByUniqueNameAxis" xlink:to="us-gaap_NoncashOrPartNoncashDivestituresByUniqueNameAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NoncashOrPartNoncashDivestituresByUniqueNameAxis_lbl" xml:lang="en-US">Unique Name [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_TransformerBusinessUnitsMember" xlink:label="ppsi_TransformerBusinessUnitsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_TransformerBusinessUnitsMember" xlink:to="ppsi_TransformerBusinessUnitsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_TransformerBusinessUnitsMember_lbl" xml:lang="en-US">Transformer Business Units [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="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SubordinatedDebtMember" xlink:label="us-gaap_SubordinatedDebtMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubordinatedDebtMember" xlink:to="us-gaap_SubordinatedDebtMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubordinatedDebtMember_lbl" xml:lang="en-US">Subordinated Debt [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_FirstSellerNoteMember" xlink:label="ppsi_FirstSellerNoteMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_FirstSellerNoteMember" xlink:to="ppsi_FirstSellerNoteMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_FirstSellerNoteMember_lbl" xml:lang="en-US">First Seller Note [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_SecondSellerNoteMember" xlink:label="ppsi_SecondSellerNoteMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_SecondSellerNoteMember" xlink:to="ppsi_SecondSellerNoteMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_SecondSellerNoteMember_lbl" xml:lang="en-US">Second Seller Note [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="ppsi-20210930.xsd#ppsi_LongTermIncentivePlanMember" xlink:label="ppsi_LongTermIncentivePlanMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LongTermIncentivePlanMember" xlink:to="ppsi_LongTermIncentivePlanMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_LongTermIncentivePlanMember_lbl" xml:lang="en-US">Long-Term 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_ConsolidationItemsAxis" xlink:label="srt_ConsolidationItemsAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ConsolidationItemsAxis" xlink:to="srt_ConsolidationItemsAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ConsolidationItemsAxis_lbl" xml:lang="en-US">Consolidation Items [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_OperatingSegmentsMember" xlink:label="us-gaap_OperatingSegmentsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingSegmentsMember" xlink:to="us-gaap_OperatingSegmentsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingSegmentsMember_lbl" xml:lang="en-US">Operating Segments [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="ppsi-20210930.xsd#ppsi_TAndDSolutionsSegmentMember" xlink:label="ppsi_TAndDSolutionsSegmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_TAndDSolutionsSegmentMember" xlink:to="ppsi_TAndDSolutionsSegmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_TAndDSolutionsSegmentMember_lbl" xml:lang="en-US">T &amp; D Solutions [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_SwitchgearMember" xlink:label="ppsi_SwitchgearMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_SwitchgearMember" xlink:to="ppsi_SwitchgearMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_SwitchgearMember_lbl" xml:lang="en-US">Switchgear [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_CriticalPowerSolutionsSegmentMember" xlink:label="ppsi_CriticalPowerSolutionsSegmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_CriticalPowerSolutionsSegmentMember" xlink:to="ppsi_CriticalPowerSolutionsSegmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_CriticalPowerSolutionsSegmentMember_lbl" xml:lang="en-US">Critical Power 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_EquipmentMember" xlink:label="us-gaap_EquipmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquipmentMember" xlink:to="us-gaap_EquipmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquipmentMember_lbl" xml:lang="en-US">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_CorporateNonSegmentMember" xlink:label="us-gaap_CorporateNonSegmentMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CorporateNonSegmentMember" xlink:to="us-gaap_CorporateNonSegmentMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CorporateNonSegmentMember_lbl" xml:lang="en-US">Corporate, Non-Segment [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.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="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_BalanceSheetLocationAxis" xlink:label="us-gaap_BalanceSheetLocationAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BalanceSheetLocationAxis" xlink:to="us-gaap_BalanceSheetLocationAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BalanceSheetLocationAxis_lbl" xml:lang="en-US">Balance Sheet Location [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_AccountsPayableAndAccruedLiabilitiesMember" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesMember" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesMember_lbl" xml:lang="en-US">Accounts Payable and Accrued Liabilities [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_OtherNoncurrentLiabilitiesMember" xlink:label="us-gaap_OtherNoncurrentLiabilitiesMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNoncurrentLiabilitiesMember" xlink:to="us-gaap_OtherNoncurrentLiabilitiesMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNoncurrentLiabilitiesMember_lbl" xml:lang="en-US">Other Noncurrent Liabilities [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.sec.gov/dei/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.xsd#dei_EntityAddressAddressLine2" xlink:label="dei_EntityAddressAddressLine2" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityAddressAddressLine2" xlink:to="dei_EntityAddressAddressLine2_lbl" xlink:type="arc" />
      <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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.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/2021/dei-2021.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent" />
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      <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>
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      <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>
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      <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>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityPublicFloat" xlink:to="dei_EntityPublicFloat_lbl" xlink:type="arc" />
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      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2021/dei-2021.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/2021/dei-2021.xsd#dei_EntityCommonStockSharesOutstanding" xlink:label="dei_EntityCommonStockSharesOutstanding" />
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      <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 [Text Block]</link:label>
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      <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>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US">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_CostOfGoodsAndServicesSoldAbstract" xlink:label="us-gaap_CostOfGoodsAndServicesSoldAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsAndServicesSoldAbstract" xlink:to="us-gaap_CostOfGoodsAndServicesSoldAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfGoodsAndServicesSoldAbstract_lbl" xml:lang="en-US">Cost of goods sold</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown" xlink:label="ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown_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_InventoryWriteDown" xlink:label="us-gaap_InventoryWriteDown" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryWriteDown" xlink:to="us-gaap_InventoryWriteDown_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryWriteDown_lbl" xml:lang="en-US">Write down of inventory</link: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/totalLabel" xlink:label="us-gaap_CostOfGoodsAndServicesSold_lbl" xml:lang="en-US">Total 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" />
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      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OperatingExpensesAbstract" xlink:label="us-gaap_OperatingExpensesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpensesAbstract" xlink:to="us-gaap_OperatingExpensesAbstract_lbl" xlink:type="arc" />
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      <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" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_lbl" xlink:type="arc" />
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      <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" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeExpenseNet" xlink:to="us-gaap_InterestIncomeExpenseNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InterestIncomeExpenseNet_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_OtherNonoperatingIncomeExpense" xlink:label="us-gaap_OtherNonoperatingIncomeExpense" />
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      <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" />
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      <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" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_lbl" xml:lang="en-US">Basic</link:label>
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      <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>
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      <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>
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      <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</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue_lbl" xlink:type="arc" />
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      <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</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InsuranceSettlementsReceivable" xlink:label="us-gaap_InsuranceSettlementsReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InsuranceSettlementsReceivable" xlink:to="us-gaap_InsuranceSettlementsReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InsuranceSettlementsReceivable_lbl" xml:lang="en-US">Insurance receivable</link: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, 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_IncomeTaxesReceivable" xlink:label="us-gaap_IncomeTaxesReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesReceivable" xlink:to="us-gaap_IncomeTaxesReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesReceivable_lbl" xml:lang="en-US">Income taxes receivable</link: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 expenses and other 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_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_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/label" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_lbl" xml:lang="en-US">Property, plant and equipment, net</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_RightOfUseAsset" xlink:label="ppsi_RightOfUseAsset" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_RightOfUseAsset_lbl" xml:lang="en-US">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_NotesAndLoansReceivableGrossNoncurrent" xlink:label="us-gaap_NotesAndLoansReceivableGrossNoncurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesAndLoansReceivableGrossNoncurrent" xlink:to="us-gaap_NotesAndLoansReceivableGrossNoncurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesAndLoansReceivableGrossNoncurrent_lbl" xml:lang="en-US">Notes receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_OtherAssets" xlink:label="us-gaap_OtherAssets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherAssets" xlink:to="us-gaap_OtherAssets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherAssets_lbl" xml:lang="en-US">Other assets</link:label>
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      <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" />
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent" xlink:to="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableAndAccruedLiabilitiesCurrent_lbl" xml:lang="en-US">Accounts payable and accrued 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_ContractWithCustomerLiabilityCurrent" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent" />
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      <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_LongTermDebtNoncurrent" xlink:label="us-gaap_LongTermDebtNoncurrent" />
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      <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</link:label>
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      <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" />
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      <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>
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      <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, $0.001 par value, 5,000,000 shares authorized; none issued</link:label>
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      <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, $0.001 par value, 30,000,000 shares authorized; 8,726,045 shares issued and outstanding on September 30, 2021 and December 31, 2020</link:label>
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      <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" />
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      <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>
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      <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 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_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 (in dollars 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_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, 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, 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_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 (in dollars 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_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, 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, 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_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/label" xlink:label="us-gaap_CommonStockSharesOutstanding_lbl" xml:lang="en-US">Common stock, 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_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">Operating activities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLoss" xlink:to="us-gaap_NetIncomeLoss_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_NetIncomeLoss_3_lbl" xml:lang="en-US">Net 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_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:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_RightOfUseAssetAmortization" xlink:label="ppsi_RightOfUseAssetAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_RightOfUseAssetAmortization" xlink:to="ppsi_RightOfUseAssetAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_RightOfUseAssetAmortization_lbl" xml:lang="en-US">Amortization of right-of-use assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_AmortizationOfImputedInterest" xlink:label="ppsi_AmortizationOfImputedInterest" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_AmortizationOfImputedInterest" xlink:to="ppsi_AmortizationOfImputedInterest_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_AmortizationOfImputedInterest_lbl" xml:lang="en-US">Amortization of 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_InterestExpenseDebt" xlink:label="us-gaap_InterestExpenseDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestExpenseDebt" xlink:to="us-gaap_InterestExpenseDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestExpenseDebt_lbl" xml:lang="en-US">Interest expense from PPP Loan</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_NonCashCostOfOperatingLeases" xlink:label="ppsi_NonCashCostOfOperatingLeases" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_NonCashCostOfOperatingLeases" xlink:to="ppsi_NonCashCostOfOperatingLeases_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_NonCashCostOfOperatingLeases_lbl" xml:lang="en-US">Non-cash cost of operating 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_ProvisionForDoubtfulAccounts" xlink:label="us-gaap_ProvisionForDoubtfulAccounts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProvisionForDoubtfulAccounts" xlink:to="us-gaap_ProvisionForDoubtfulAccounts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProvisionForDoubtfulAccounts_lbl" xml:lang="en-US">Change in receivable 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_InventoryLIFOReserveEffectOnIncomeNet" xlink:label="us-gaap_InventoryLIFOReserveEffectOnIncomeNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryLIFOReserveEffectOnIncomeNet" xlink:to="us-gaap_InventoryLIFOReserveEffectOnIncomeNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryLIFOReserveEffectOnIncomeNet_lbl" xml:lang="en-US">Change in inventory reserves</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_ChangeInLongTermPayables" xlink:label="ppsi_ChangeInLongTermPayables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_ChangeInLongTermPayables" xlink:to="ppsi_ChangeInLongTermPayables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ppsi_ChangeInLongTermPayables_lbl" xml:lang="en-US">Change in long term payables</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_ProceedsFromInsuranceReceivable" xlink:label="ppsi_ProceedsFromInsuranceReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_ProceedsFromInsuranceReceivable" xlink:to="ppsi_ProceedsFromInsuranceReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_ProceedsFromInsuranceReceivable_lbl" xml:lang="en-US">Proceeds from insurance receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_UnrealizedGainLossOnInvestments" xlink:label="us-gaap_UnrealizedGainLossOnInvestments" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnInvestments" xlink:to="us-gaap_UnrealizedGainLossOnInvestments_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_lbl" xml:lang="en-US">Loss on investments</link: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="ppsi-20210930.xsd#ppsi_PayrollTaxDeferral" xlink:label="ppsi_PayrollTaxDeferral" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_PayrollTaxDeferral" xlink:to="ppsi_PayrollTaxDeferral_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_PayrollTaxDeferral_lbl" xml:lang="en-US">Payroll tax deferral</link: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 current operating assets and 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_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="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInInventories" xlink:label="us-gaap_IncreaseDecreaseInInventories" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInInventories" xlink:to="us-gaap_IncreaseDecreaseInInventories_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_IncreaseDecreaseInInventories_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_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 and 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_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:label="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable" xlink:to="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccruedIncomeTaxesPayable_lbl" xml:lang="en-US">Income 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_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US">Accounts payable and accrued 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_IncreaseDecreaseInDeferredRevenue" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:to="us-gaap_IncreaseDecreaseInDeferredRevenue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_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_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">Net cash provided by/ (used in) 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">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">Additions to property, plant 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_ProceedsFromSaleOfInvestmentProjects" xlink:label="us-gaap_ProceedsFromSaleOfInvestmentProjects" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfInvestmentProjects" xlink:to="us-gaap_ProceedsFromSaleOfInvestmentProjects_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfInvestmentProjects_lbl" xml:lang="en-US">Proceeds from sale of investments</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_ChangeInNoteReceivable" xlink:label="ppsi_ChangeInNoteReceivable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_ChangeInNoteReceivable" xlink:to="ppsi_ChangeInNoteReceivable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_ChangeInNoteReceivable_lbl" xml:lang="en-US">Change in notes receivable</link: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">Net cash (used in) / provided by 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">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_ProceedsFromRepaymentsOfBankOverdrafts" xlink:label="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts" xlink:to="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromRepaymentsOfBankOverdrafts_lbl" xml:lang="en-US">Bank overdrafts</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt" xlink:to="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromIssuanceOfOtherLongTermDebt_lbl" xml:lang="en-US">Funding from PPP Loan</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_PaymentOfDeferredPurchasePrice" xlink:label="ppsi_PaymentOfDeferredPurchasePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_PaymentOfDeferredPurchasePrice" xlink:to="ppsi_PaymentOfDeferredPurchasePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="ppsi_PaymentOfDeferredPurchasePrice_lbl" xml:lang="en-US">Payment of deferred purchase 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_PaymentsOfDividends" xlink:label="us-gaap_PaymentsOfDividends" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_PaymentsOfDividends_lbl" xml:lang="en-US">Dividend paid to shareholders</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt" xlink:label="us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt" xlink:to="us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromRepaymentsOfOtherLongTermDebt_lbl" xml:lang="en-US">Gain on forgiveness of PPP Loan</link: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 repayments of financing 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_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">Net cash (used in) / provided by 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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect_lbl" xml:lang="en-US">(Decrease) / increase in cash and 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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_lbl" xml:lang="en-US">Cash, and restricted cash, beginning of year</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_2_lbl" xml:lang="en-US">Cash, and restricted cash, end of 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_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract" xlink:to="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract_lbl" xml:lang="en-US">Non-cash investing and 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_FairValueOfAssetsAcquired" xlink:label="us-gaap_FairValueOfAssetsAcquired" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfAssetsAcquired" xlink:to="us-gaap_FairValueOfAssetsAcquired_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueOfAssetsAcquired_lbl" xml:lang="en-US">Acquisition of 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_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_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_StockholdersEquity_2_lbl" xml:lang="en-US">Balance Beginning</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/periodStartLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_2_lbl" xml:lang="en-US">Balance Beginning (in 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/verboseLabel" 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_Dividends" xlink:label="us-gaap_Dividends" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Dividends" xlink:to="us-gaap_Dividends_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_Dividends_lbl" xml:lang="en-US">Dividend to shareholders</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_StockholdersEquity_3_lbl" xml:lang="en-US">Balance Ending</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_3_lbl" xml:lang="en-US">Balance Ending (in 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_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract" xlink:to="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract_lbl" xml:lang="en-US">Organization, Consolidation and Presentation of Financial Statements [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_BasisOfAccounting" xlink:label="us-gaap_BasisOfAccounting" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BasisOfAccounting" xlink:to="us-gaap_BasisOfAccounting_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BasisOfAccounting_lbl" xml:lang="en-US">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_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_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_FairValueDisclosuresAbstract" xlink:label="us-gaap_FairValueDisclosuresAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresAbstract" xlink:to="us-gaap_FairValueDisclosuresAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresAbstract_lbl" xml:lang="en-US">Fair Value Disclosures [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_FairValueDisclosuresTextBlock" xlink:label="us-gaap_FairValueDisclosuresTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueDisclosuresTextBlock" xlink:to="us-gaap_FairValueDisclosuresTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueDisclosuresTextBlock_lbl" xml:lang="en-US">FAIR VALUE MEASUREMENTS</link: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">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_OtherIncomeAndExpensesAbstract" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherIncomeAndExpensesAbstract" xlink:to="us-gaap_OtherIncomeAndExpensesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherIncomeAndExpensesAbstract_lbl" xml:lang="en-US">Other Income and Expenses [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_OtherNonoperatingIncomeAndExpenseTextBlock" xlink:label="us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock" xlink:to="us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeAndExpenseTextBlock_lbl" xml:lang="en-US">OTHER EXPENSE (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_InventoryDisclosureAbstract" xlink:label="us-gaap_InventoryDisclosureAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryDisclosureAbstract" xlink:to="us-gaap_InventoryDisclosureAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryDisclosureAbstract_lbl" xml:lang="en-US">Inventory 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_InventoryDisclosureTextBlock" xlink:label="us-gaap_InventoryDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryDisclosureTextBlock" xlink:to="us-gaap_InventoryDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryDisclosureTextBlock_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_PropertyPlantAndEquipmentAbstract" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentAbstract" xlink:to="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentAbstract_lbl" xml:lang="en-US">Property, Plant and Equipment [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_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentDisclosureTextBlock_lbl" xml:lang="en-US">PROPERTY, PLANT 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_ReceivablesAbstract" xlink:label="us-gaap_ReceivablesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ReceivablesAbstract" xlink:to="us-gaap_ReceivablesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ReceivablesAbstract_lbl" xml:lang="en-US">Receivables [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_LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock" xlink:to="us-gaap_LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock_lbl" xml:lang="en-US">NOTES RECEIVABLE</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureAbstract" xlink:to="us-gaap_DebtDisclosureAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureAbstract_lbl" xml:lang="en-US">Debt 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_DebtDisclosureTextBlock" xlink:label="us-gaap_DebtDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtDisclosureTextBlock" xlink:to="us-gaap_DebtDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtDisclosureTextBlock_lbl" xml:lang="en-US">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_EquityAbstract" xlink:label="us-gaap_EquityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquityAbstract" xlink:to="us-gaap_EquityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquityAbstract_lbl" xml:lang="en-US">Equity [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_StockholdersEquityNoteDisclosureTextBlock" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityNoteDisclosureTextBlock" xlink:to="us-gaap_StockholdersEquityNoteDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityNoteDisclosureTextBlock_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_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareAbstract" xlink:to="us-gaap_EarningsPerShareAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareAbstract_lbl" xml:lang="en-US">Earnings Per Share [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_EarningsPerShareTextBlock" xlink:label="us-gaap_EarningsPerShareTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareTextBlock" xlink:to="us-gaap_EarningsPerShareTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xml:lang="en-US">BASIC AND DILUTED (LOSS) 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_SegmentReportingAbstract" xlink:label="us-gaap_SegmentReportingAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingAbstract" xlink:to="us-gaap_SegmentReportingAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingAbstract_lbl" xml:lang="en-US">Segment Reporting [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_SegmentReportingDisclosureTextBlock" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SegmentReportingDisclosureTextBlock" xlink:to="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SegmentReportingDisclosureTextBlock_lbl" xml:lang="en-US">BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_DisclosureLeasesAbstract" xlink:label="ppsi_DisclosureLeasesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_DisclosureLeasesAbstract" xlink:to="ppsi_DisclosureLeasesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_DisclosureLeasesAbstract_lbl" xml:lang="en-US">Leases</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_LeasesTextBlock" xlink:label="ppsi_LeasesTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LeasesTextBlock" xlink:to="ppsi_LeasesTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_LeasesTextBlock_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_SubsequentEventsAbstract" xlink:label="us-gaap_SubsequentEventsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsAbstract" xlink:to="us-gaap_SubsequentEventsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsAbstract_lbl" xml:lang="en-US">Subsequent Events [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_SubsequentEventsTextBlock" xlink:label="us-gaap_SubsequentEventsTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SubsequentEventsTextBlock" xlink:to="us-gaap_SubsequentEventsTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SubsequentEventsTextBlock_lbl" xml:lang="en-US">SUBSEQUENT EVENTS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock" xlink:to="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock_lbl" xml:lang="en-US">Recent Accounting Pronouncements</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_ReconciliationOfCashAndRestrictedCashTableTextBlock" xlink:label="ppsi_ReconciliationOfCashAndRestrictedCashTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_ReconciliationOfCashAndRestrictedCashTableTextBlock" xlink:to="ppsi_ReconciliationOfCashAndRestrictedCashTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_ReconciliationOfCashAndRestrictedCashTableTextBlock_lbl" xml:lang="en-US">The following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DisaggregationOfRevenueTableTextBlock" xlink:to="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DisaggregationOfRevenueTableTextBlock_lbl" xml:lang="en-US">The following table presents our revenues disaggregated by revenue discipline:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:to="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xml:lang="en-US">The components of inventories are summarized below</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PropertyPlantAndEquipmentTextBlock" xlink:to="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentTextBlock_lbl" xml:lang="en-US">Property, plant and equipment are summarized below:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ScheduleOfDebtTableTextBlock" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfDebtTableTextBlock" xlink:to="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfDebtTableTextBlock_lbl" xml:lang="en-US">Schedule 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_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock" xlink:to="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_lbl" xml:lang="en-US">A summary of stock option activity under the 2011 Long-Term Incentive Plan as of September 30, 2021, and changes during the nine months ended September 30, 2021, are presented below:</link: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">The following table sets forth the computation of basic and diluted (loss) income per share (in thousands, except per share data):</link: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">The following tables present information about segment loss and 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_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">Revenues are attributable to countries based on the location of the Company's customers:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_LeaseCostTableTextBlock" xlink:label="us-gaap_LeaseCostTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LeaseCostTableTextBlock" xlink:to="us-gaap_LeaseCostTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LeaseCostTableTextBlock_lbl" xml:lang="en-US">The components of the lease expense were as follows:</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_LesseeLeaseCashFlowsTableTextBlock" xlink:label="ppsi_LesseeLeaseCashFlowsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LesseeLeaseCashFlowsTableTextBlock" xlink:to="ppsi_LesseeLeaseCashFlowsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_LesseeLeaseCashFlowsTableTextBlock_lbl" xml:lang="en-US">Supplemental Cash Flows Information</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_LesseeLeaseTermsTableTextBlock" xlink:label="ppsi_LesseeLeaseTermsTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LesseeLeaseTermsTableTextBlock" xlink:to="ppsi_LesseeLeaseTermsTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_LesseeLeaseTermsTableTextBlock_lbl" xml:lang="en-US">Weighted Average Remaining Lease Term and Weighted Average Discount Rate</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_LesseeLeaseLiabilityMaturityTableTextBlock" xlink:label="ppsi_LesseeLeaseLiabilityMaturityTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LesseeLeaseLiabilityMaturityTableTextBlock" xlink:to="ppsi_LesseeLeaseLiabilityMaturityTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_LesseeLeaseLiabilityMaturityTableTextBlock_lbl" xml:lang="en-US">Future minimum lease payments under non-cancellable leases as of September 30, 2021 were as follows:</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock" xlink:label="ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock" xlink:to="ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock_lbl" xml:lang="en-US">Reported as of September 30, 2021:</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_NumberOfAdditionalLocations" xlink:label="ppsi_NumberOfAdditionalLocations" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_NumberOfAdditionalLocations" xlink:to="ppsi_NumberOfAdditionalLocations_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_NumberOfAdditionalLocations_lbl" xml:lang="en-US">Number of additional locations</link: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="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/verboseLabel" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_lbl" xml:lang="en-US">Cash</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_WorkingCapital" xlink:label="ppsi_WorkingCapital" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_WorkingCapital" xlink:to="ppsi_WorkingCapital_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_WorkingCapital_lbl" xml:lang="en-US">Working 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_DividendsPayableDateDeclaredDayMonthAndYear" xlink:label="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear" xlink:to="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableDateDeclaredDayMonthAndYear_lbl" xml:lang="en-US">Dividend date declared</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_DividendsPayableAmountPerShare" xlink:label="us-gaap_DividendsPayableAmountPerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableAmountPerShare" xlink:to="us-gaap_DividendsPayableAmountPerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableAmountPerShare_lbl" xml:lang="en-US">Dividend amount (in dollars 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_DividendsPayableDateOfRecordDayMonthAndYear" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear" xlink:to="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendsPayableDateOfRecordDayMonthAndYear_lbl" xml:lang="en-US">Dividend record 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_DividendPayableDateToBePaidDayMonthAndYear" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DividendPayableDateToBePaidDayMonthAndYear" xlink:to="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DividendPayableDateToBePaidDayMonthAndYear_lbl" xml:lang="en-US">Dividend payment date</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfDividends" xlink:to="us-gaap_PaymentsOfDividends_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfDividends_2_lbl" xml:lang="en-US">Dividend 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_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">Irrevocable standby letter of 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_RestrictedCash" xlink:label="us-gaap_RestrictedCash" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCash" xlink:to="us-gaap_RestrictedCash_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RestrictedCash_lbl" xml:lang="en-US">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_DebtInstrumentFaceAmount" xlink:label="us-gaap_DebtInstrumentFaceAmount" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DebtInstrumentFaceAmount" xlink:to="us-gaap_DebtInstrumentFaceAmount_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DebtInstrumentFaceAmount_lbl" xml:lang="en-US">Loan face 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_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 on extinguishment of debt</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_3_lbl" xml:lang="en-US">Total cash and restricted cash as shown in the statement of cash flows</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesTable_lbl" xml:lang="en-US">Fair Value Measurement Inputs and Valuation Techniques [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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems" xlink:to="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems_lbl" xml:lang="en-US">Fair Value Measurement Inputs and Valuation Techniques [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_ConversionOfStockSharesIssued1" xlink:label="us-gaap_ConversionOfStockSharesIssued1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConversionOfStockSharesIssued1" xlink:to="us-gaap_ConversionOfStockSharesIssued1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConversionOfStockSharesIssued1_lbl" xml:lang="en-US">Number of shares converted</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_WarrantsAndRightsOutstandingTerm" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WarrantsAndRightsOutstandingTerm" xlink:to="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WarrantsAndRightsOutstandingTerm_lbl" xml:lang="en-US">Warrant 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_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">Number of shares called by warrant</link: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">Warrant 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_StockholdersEquityReverseStockSplit" xlink:label="us-gaap_StockholdersEquityReverseStockSplit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityReverseStockSplit" xlink:to="us-gaap_StockholdersEquityReverseStockSplit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityReverseStockSplit_lbl" xml:lang="en-US">Reverse stock split</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi" xlink:label="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi" xlink:to="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi_lbl" xml:lang="en-US">Proceeds from sale</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_EquitySecuritiesFvNiUnrealizedLoss" xlink:label="us-gaap_EquitySecuritiesFvNiUnrealizedLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesFvNiUnrealizedLoss" xlink:to="us-gaap_EquitySecuritiesFvNiUnrealizedLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquitySecuritiesFvNiUnrealizedLoss_lbl" xml:lang="en-US">Unrealized mark to market 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_EquitySecuritiesFvNiGainLoss" xlink:label="us-gaap_EquitySecuritiesFvNiGainLoss" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EquitySecuritiesFvNiGainLoss" xlink:to="us-gaap_EquitySecuritiesFvNiGainLoss_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EquitySecuritiesFvNiGainLoss_lbl" xml:lang="en-US">Net gain</link: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_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">Total revenue</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_CostsIncurredDevelopmentCosts" xlink:label="us-gaap_CostsIncurredDevelopmentCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostsIncurredDevelopmentCosts" xlink:to="us-gaap_CostsIncurredDevelopmentCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostsIncurredDevelopmentCosts_lbl" xml:lang="en-US">Contract costs incurred</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_InventoryRawMaterials" xlink:label="us-gaap_InventoryRawMaterials" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryRawMaterials_lbl" xml:lang="en-US">Raw materials</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_InventoryValuationReserves_lbl" xml:lang="en-US">Provision for excess and obsolete inventory</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfPropertyPlantAndEquipmentTable_lbl" xml:lang="en-US">Property, Plant and Equipment [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_PropertyPlantAndEquipmentLineItems" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PropertyPlantAndEquipmentLineItems_lbl" xml:lang="en-US">Property, Plant and Equipment [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_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/label" xlink:label="us-gaap_PropertyPlantAndEquipmentGross_lbl" xml:lang="en-US">Property, plant and equipment</link:label>
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      <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>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_PropertyPlantAndEquipmentNet_2_lbl" xml:lang="en-US">Total property, plant 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_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 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_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable" xlink:to="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfAccountsNotesLoansAndFinancingReceivableTable_lbl" xml:lang="en-US">Schedule of Accounts, Notes, Loans and Financing Receivable [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_AccountsNotesAndLoansReceivableLineItems" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsNotesAndLoansReceivableLineItems" xlink:to="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsNotesAndLoansReceivableLineItems_lbl" xml:lang="en-US">Accounts, Notes, Loans and Financing Receivable [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_NotesReceivableGross" xlink:label="us-gaap_NotesReceivableGross" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NotesReceivableGross" xlink:to="us-gaap_NotesReceivableGross_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NotesReceivableGross_lbl" xml:lang="en-US">Principal 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_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_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">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_RepaymentsOfNotesPayable" xlink:label="us-gaap_RepaymentsOfNotesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RepaymentsOfNotesPayable" xlink:to="us-gaap_RepaymentsOfNotesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RepaymentsOfNotesPayable_lbl" xml:lang="en-US">Repayment of notes payable</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ppsi_ChangeInNoteReceivable_2_lbl" xml:lang="en-US">Change in note receivable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_IncreaseDecreaseInNotesReceivables" xlink:label="us-gaap_IncreaseDecreaseInNotesReceivables" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInNotesReceivables" xlink:to="us-gaap_IncreaseDecreaseInNotesReceivables_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInNotesReceivables_lbl" xml:lang="en-US">Change in value of notes</link: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">Carrying 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_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: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/2003/role/verboseLabel" xlink:label="us-gaap_GainsLossesOnExtinguishmentOfDebt_2_lbl" xml:lang="en-US">Gain on extinguishment</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">Current 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_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/totalLabel" xlink:label="us-gaap_LongTermDebt_lbl" xml:lang="en-US">PPP Loan</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LongTermDebtCurrent" xlink:to="us-gaap_LongTermDebtCurrent_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/terseLabel" xlink:label="us-gaap_LongTermDebtCurrent_3_lbl" xml:lang="en-US">Less: current portion</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">Total long-term 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_ScheduleOfStockByClassTable" xlink:label="us-gaap_ScheduleOfStockByClassTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfStockByClassTable" xlink:to="us-gaap_ScheduleOfStockByClassTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfStockByClassTable_lbl" xml:lang="en-US">Schedule of Stock by Class [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_ClassOfStockLineItems" xlink:label="us-gaap_ClassOfStockLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ClassOfStockLineItems" xlink:to="us-gaap_ClassOfStockLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ClassOfStockLineItems_lbl" xml:lang="en-US">Class of Stock [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesOutstanding" xlink:to="us-gaap_CommonStockSharesOutstanding_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_CommonStockSharesOutstanding_4_lbl" xml:lang="en-US">Common stock, outstanding 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_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">Number of shares available for future grants</link: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">Stock-based compensation not yet 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US">Outstanding at beginning of 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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice" />
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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">Outstanding at beginning of 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_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_lbl" xml:lang="en-US">Outstanding at beginning of 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_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/periodStartLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_lbl" xml:lang="en-US">Outstanding at beginning of 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_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">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_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">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_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_lbl" xml:lang="en-US">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" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2009/role/negatedLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_lbl" xml:lang="en-US">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_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice" xlink:to="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Forfeited</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">Outstanding at end of period</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">Outstanding at end of period</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3" xlink:label="ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3" xlink:to="ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3_lbl" xml:lang="en-US">Outstanding at end of period</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_2_lbl" xml:lang="en-US">Outstanding at end of 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_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/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_lbl" xml:lang="en-US">Exercisable at end of 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_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/periodEndLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_lbl" xml:lang="en-US">Exercisable at end of 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_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">Exercisable at end of 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_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/periodEndLabel" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_lbl" xml:lang="en-US">Exercisable at end of 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_NetIncomeLossAbstract" xlink:label="us-gaap_NetIncomeLossAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetIncomeLossAbstract" xlink:to="us-gaap_NetIncomeLossAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetIncomeLossAbstract_lbl" xml:lang="en-US">Numerator:</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract_2_lbl" xml:lang="en-US">Denominator:</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/label" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2_lbl" xml:lang="en-US">Weighted average basic 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">Effect of dilutive securities - equity based compensation plans</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/totalLabel" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2_lbl" xml:lang="en-US">Denominator for diluted net (loss) income per common share</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasicAndDilutedAbstract" xlink:to="us-gaap_EarningsPerShareBasicAndDilutedAbstract_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EarningsPerShareBasicAndDilutedAbstract_2_lbl" xml:lang="en-US">Net (loss) 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_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: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/label" 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_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 (loss) 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_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:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_DisclosureLeasesAbstract" xlink:to="ppsi_DisclosureLeasesAbstract_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="ppsi_DisclosureLeasesAbstract_2_lbl" xml:lang="en-US">Components Of Lease Expense Were As Follows</link: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">Operating lease cost</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_FinanceLeasesCostAbstract" xlink:label="ppsi_FinanceLeasesCostAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_FinanceLeasesCostAbstract" xlink:to="ppsi_FinanceLeasesCostAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_FinanceLeasesCostAbstract_lbl" xml:lang="en-US">Finance 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">&#160;&#160;&#160;Amortization of right-of-use 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_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">&#160;&#160;&#160;Interest on lease liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_FinanceLeaseCost" xlink:label="ppsi_FinanceLeaseCost" />
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      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseInterestPaymentOnLiability" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseInterestPaymentOnLiability_lbl" xml:lang="en-US">&#160;&#160;&#160;Operating cash flow payments for finance leases</link:label>
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      <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 lease liabilities arising from obtaining 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_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">Capitalized lease 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_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 Lease, Weighted Average Remaining Lease 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_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 Lease, Weighted Average Remaining Lease 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_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 Lease, Weighted Average Discount Rate, 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_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 Lease, Weighted Average Discount Rate, 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_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:to="us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" xml:lang="en-US">Operating Leases, 2021</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear" xlink:to="us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_lbl" xml:lang="en-US">Finance Leases, 2021</link: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_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, 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">Finance Leases, 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_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/totalLabel" xlink:label="us-gaap_LesseeOperatingLeaseLiabilityPaymentsDue_lbl" xml:lang="en-US">Operating Leases, Total future minimum 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/totalLabel" xlink:label="us-gaap_FinanceLeaseLiabilityPaymentsDue_lbl" xml:lang="en-US">Finance Leases, Total future minimum 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, Total future minmum 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, Total future minmum lease payments</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingLeaseLiability" xlink:to="us-gaap_OperatingLeaseLiability_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_OperatingLeaseLiability_2_lbl" xml:lang="en-US">Operating Lease, Liability</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FinanceLeaseLiability" xlink:to="us-gaap_FinanceLeaseLiability_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_FinanceLeaseLiability_2_lbl" xml:lang="en-US">Finance Lease, 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_LesseeOperatingLeaseTermOfContract" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseTermOfContract" xlink:to="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseTermOfContract_lbl" xml:lang="en-US">Lease 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_LesseeOperatingLeaseRenewalTerm" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LesseeOperatingLeaseRenewalTerm" xlink:to="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LesseeOperatingLeaseRenewalTerm_lbl" xml:lang="en-US">Lease renewal 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_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 lease 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_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="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 assets</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization" xlink:label="ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization" xlink:to="ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization_lbl" xml:lang="en-US">Operating leases accumulated depreciation</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability" xlink:to="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_2_lbl" xml:lang="en-US">Right-of-use asset and lease liability 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_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="ppsi-20210930.xsd#ppsi_AggregatePriceMarketSaleAgreement" xlink:label="ppsi_AggregatePriceMarketSaleAgreement" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_AggregatePriceMarketSaleAgreement" xlink:to="ppsi_AggregatePriceMarketSaleAgreement_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_AggregatePriceMarketSaleAgreement_lbl" xml:lang="en-US">Aggregate price market sale agreement</link: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" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodSharesNewIssues_lbl" xml:lang="en-US">Shares issued under ATM Program</link: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" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodValueNewIssues" xlink:to="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockIssuedDuringPeriodValueNewIssues_lbl" xml:lang="en-US">Gross proceeds from ATM Program</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2021/elts/us-gaap-2021-01-31.xsd#us-gaap_SharesIssuedPricePerShare" xlink:label="us-gaap_SharesIssuedPricePerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesIssuedPricePerShare" xlink:to="us-gaap_SharesIssuedPricePerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharesIssuedPricePerShare_lbl" xml:lang="en-US">Price 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_PaymentsOfStockIssuanceCosts" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_PaymentsOfStockIssuanceCosts" xlink:to="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_PaymentsOfStockIssuanceCosts_lbl" xml:lang="en-US">Costs related to common shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_PlacementFeePercentage" xlink:label="ppsi_PlacementFeePercentage" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_PlacementFeePercentage" xlink:to="ppsi_PlacementFeePercentage_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_PlacementFeePercentage_lbl" xml:lang="en-US">Placement fee (percent)</link:label>
      <link:loc xlink:type="locator" xlink:href="ppsi-20210930.xsd#ppsi_PlacementFeeExpense" xlink:label="ppsi_PlacementFeeExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_PlacementFeeExpense" xlink:to="ppsi_PlacementFeeExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_PlacementFeeExpense_lbl" xml:lang="en-US">Placement fee</link: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">Net proceeds from stock issued under ATM Program</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_AmortizationOfImputedInterest" xlink:to="ppsi_AmortizationOfImputedInterest_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_AmortizationOfImputedInterest_doc" xml:lang="en-US">Amount of amortization of imputed interest.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_ChangeInLongTermPayables" xlink:to="ppsi_ChangeInLongTermPayables_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_ChangeInLongTermPayables_doc" xml:lang="en-US">Amount of change in long term payables.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_ChangeInNoteReceivable" xlink:to="ppsi_ChangeInNoteReceivable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_ChangeInNoteReceivable_doc" xml:lang="en-US">The amount of reduction to the principal amount of a note rececivable during the period.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_CleanSparkMember" xlink:to="ppsi_CleanSparkMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_CleanSparkMember_doc" xml:lang="en-US">CleanSpark.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_CriticalPowerSolutionsSegmentMember" xlink:to="ppsi_CriticalPowerSolutionsSegmentMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_CriticalPowerSolutionsSegmentMember_doc" xml:lang="en-US">Critical Power Solutions Segment [Member].</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_FirstSellerNoteMember" xlink:to="ppsi_FirstSellerNoteMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_FirstSellerNoteMember_doc" xml:lang="en-US">First seller note.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LongTermIncentivePlanMember" xlink:to="ppsi_LongTermIncentivePlanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_LongTermIncentivePlanMember_doc" xml:lang="en-US">Long-term incentive plan.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_NonCashCostOfOperatingLeases" xlink:to="ppsi_NonCashCostOfOperatingLeases_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_NonCashCostOfOperatingLeases_doc" xml:lang="en-US">Amount of expense included in net income that result in no cash flow for cost of operating leases.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_NumberOfAdditionalLocations" xlink:to="ppsi_NumberOfAdditionalLocations_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_NumberOfAdditionalLocations_doc" xml:lang="en-US">The number of additional locations.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_PaycheckProtectionProgramLoanMember" xlink:to="ppsi_PaycheckProtectionProgramLoanMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_PaycheckProtectionProgramLoanMember_doc" xml:lang="en-US">Paycheck Protection Program Loan.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_ReconciliationOfCashAndRestrictedCashTableTextBlock" xlink:to="ppsi_ReconciliationOfCashAndRestrictedCashTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_ReconciliationOfCashAndRestrictedCashTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of reconciliation of cash and restricted cash.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_RightOfUseAsset" xlink:to="ppsi_RightOfUseAsset_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_RightOfUseAsset_doc" xml:lang="en-US">Amount of lessee's right to use underlying asset under leases.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_RightOfUseAssetAmortization" xlink:to="ppsi_RightOfUseAssetAmortization_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_RightOfUseAssetAmortization_doc" xml:lang="en-US">Amount of amortization expense attributable to right-of-use assets.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_SecondSellerNoteMember" xlink:to="ppsi_SecondSellerNoteMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_SecondSellerNoteMember_doc" xml:lang="en-US">Second seller note.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3" xlink:to="ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3_doc" xml:lang="en-US">Weighted average remaining contractual term for option awards outstanding at the end of the period, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_SwitchgearMember" xlink:to="ppsi_SwitchgearMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_SwitchgearMember_doc" xml:lang="en-US">Switchgear product.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_TAndDSolutionsSegmentMember" xlink:to="ppsi_TAndDSolutionsSegmentMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_TAndDSolutionsSegmentMember_doc" xml:lang="en-US">T And D Solutions Segment [Member].</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_TransformerBusinessUnitsMember" xlink:to="ppsi_TransformerBusinessUnitsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_TransformerBusinessUnitsMember_doc" xml:lang="en-US">Transformer Business Units.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_Warrant1Member" xlink:to="ppsi_Warrant1Member_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_Warrant1Member_doc" xml:lang="en-US">Warrant one.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_Warrant2Member" xlink:to="ppsi_Warrant2Member_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_Warrant2Member_doc" xml:lang="en-US">Warrant two.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_WorkingCapital" xlink:to="ppsi_WorkingCapital_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_WorkingCapital_doc" xml:lang="en-US">Amount of working capital as of the balance sheet date.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_PayrollTaxDeferral" xlink:to="ppsi_PayrollTaxDeferral_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_PayrollTaxDeferral_doc" xml:lang="en-US">The amount of payroll tax deferral.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_PaymentOfDeferredPurchasePrice" xlink:to="ppsi_PaymentOfDeferredPurchasePrice_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_PaymentOfDeferredPurchasePrice_doc" xml:lang="en-US">Payment of deferred purchase price.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown" xlink:to="ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown_doc" xml:lang="en-US">Cost of product sold and service rendered, excluding inventory write-down.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_ComputerHardwareAndSoftwareMember" xlink:to="ppsi_ComputerHardwareAndSoftwareMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_ComputerHardwareAndSoftwareMember_doc" xml:lang="en-US">Computer Hardware and Software.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_ProceedsFromInsuranceReceivable" xlink:to="ppsi_ProceedsFromInsuranceReceivable_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_ProceedsFromInsuranceReceivable_doc" xml:lang="en-US">Proceeds from insurance receivable.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_FinanceLeaseCost" xlink:to="ppsi_FinanceLeaseCost_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_FinanceLeaseCost_doc" xml:lang="en-US">Amount of finance lease cost.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LesseeLeaseCashFlowsTableTextBlock" xlink:to="ppsi_LesseeLeaseCashFlowsTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_LesseeLeaseCashFlowsTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of lease supplemental cash flow information.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LesseeLeaseLiabilityMaturityTableTextBlock" xlink:to="ppsi_LesseeLeaseLiabilityMaturityTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_LesseeLeaseLiabilityMaturityTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of lessee lease liability maturity.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock" xlink:to="ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of lessee reported balance sheet disclosure.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LesseeLeaseTermsTableTextBlock" xlink:to="ppsi_LesseeLeaseTermsTableTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_LesseeLeaseTermsTableTextBlock_doc" xml:lang="en-US">Tabular disclosure of lease terms.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_AggregatePriceMarketSaleAgreement" xlink:to="ppsi_AggregatePriceMarketSaleAgreement_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_AggregatePriceMarketSaleAgreement_doc" xml:lang="en-US">The aggregate price of offered and sale of common shares under an agreement.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_PlacementFeeExpense" xlink:to="ppsi_PlacementFeeExpense_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_PlacementFeeExpense_doc" xml:lang="en-US">Amount of placement fees.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_PlacementFeePercentage" xlink:to="ppsi_PlacementFeePercentage_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_PlacementFeePercentage_doc" xml:lang="en-US">Placement fee percent.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_FinanceLeasePrincipalPayments1" xlink:to="ppsi_FinanceLeasePrincipalPayments1_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_FinanceLeasePrincipalPayments1_doc" xml:lang="en-US">Amount of cash outflow for principal payment on finance lease.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_LeasesTextBlock" xlink:to="ppsi_LeasesTextBlock_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_LeasesTextBlock_doc" xml:lang="en-US">The entire disclosure of leases.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization" xlink:to="ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization_doc" xml:lang="en-US">Amount of accumulated amortization of right-of-use asset from operating lease.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown" xlink:to="ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown_3_lbl" xml:lang="en-US">Cost of Goods and Service, Excluding Inventory Write-down</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfGoodsAndServicesSold" xlink:to="us-gaap_CostOfGoodsAndServicesSold_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfGoodsAndServicesSold_2_lbl" xml:lang="en-US">Cost of Goods and Services Sold</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:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingExpenses" xlink:to="us-gaap_OperatingExpenses_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpenses_2_lbl" xml:lang="en-US">Operating Expenses</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestIncomeExpenseNet" xlink:to="us-gaap_InterestIncomeExpenseNet_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestIncomeExpenseNet_2_lbl" xml:lang="en-US">Interest Income (Expense), Net</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OtherNonoperatingIncomeExpense" xlink:to="us-gaap_OtherNonoperatingIncomeExpense_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OtherNonoperatingIncomeExpense_2_lbl" xml:lang="en-US">Other Nonoperating Income (Expense)</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 (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_3_lbl" xml:lang="en-US">Weighted Average Number of Shares Outstanding, Diluted</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_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_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">Assets</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_Liabilities" xlink:to="us-gaap_Liabilities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Liabilities_2_lbl" xml:lang="en-US">Liabilities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquity_4_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_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="ppsi_ChangeInLongTermPayables" xlink:to="ppsi_ChangeInLongTermPayables_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_ChangeInLongTermPayables_3_lbl" xml:lang="en-US">ChangeInLongTermPayables</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UnrealizedGainLossOnInvestments" xlink:to="us-gaap_UnrealizedGainLossOnInvestments_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UnrealizedGainLossOnInvestments_2_lbl" xml:lang="en-US">Unrealized Gain (Loss) on Investments</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_IncreaseDecreaseInInventories" xlink:to="us-gaap_IncreaseDecreaseInInventories_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInInventories_2_lbl" xml:lang="en-US">Increase (Decrease) in Inventories</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_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" xlink:to="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_2_lbl" xml:lang="en-US">Increase (Decrease) in Accounts Payable and Accrued Liabilities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInDeferredRevenue" xlink:to="us-gaap_IncreaseDecreaseInDeferredRevenue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInDeferredRevenue_2_lbl" xml:lang="en-US">Increase (Decrease) in Deferred Revenue</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_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">Payments to Acquire Property, Plant, and Equipment</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="ppsi_PaymentOfDeferredPurchasePrice" xlink:to="ppsi_PaymentOfDeferredPurchasePrice_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="ppsi_PaymentOfDeferredPurchasePrice_3_lbl" xml:lang="en-US">Payment of Deferred Purchase Price</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">Finance Lease, Principal Payments</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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_4_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_4_lbl" xml:lang="en-US">Cash, Cash Equivalents, Restricted Cash and Restricted Cash Equivalents</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" xlink:to="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_2_lbl" xml:lang="en-US">APIC, Share-based Payment Arrangement, Increase for Cost Recognition</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Dividends" xlink:to="us-gaap_Dividends_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Dividends_2_lbl" xml:lang="en-US">Dividends</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAtCarryingValue" xlink:to="us-gaap_CashAndCashEquivalentsAtCarryingValue_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAtCarryingValue_2_lbl" xml:lang="en-US">Cash and Cash Equivalents, at Carrying Value</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RestrictedCash" xlink:to="us-gaap_RestrictedCash_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RestrictedCash_2_lbl" xml:lang="en-US">Restricted Cash</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryValuationReserves" xlink:to="us-gaap_InventoryValuationReserves_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryValuationReserves_2_lbl" xml:lang="en-US">Inventory Valuation Reserves</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_LongTermDebt" xlink:to="us-gaap_LongTermDebt_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LongTermDebt_2_lbl" xml:lang="en-US">Long-term Debt</link:label>
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<TYPE>EX-101.PRE
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    <us-gaap:BasisOfAccounting contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_80F_eus-gaap--BasisOfAccounting_zOTvIu9CXWN8" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;1.
&lt;span id="xdx_822_zFrdNAKcRhth"&gt;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-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;Overview&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Pioneer
Power Solutions, Inc. and its wholly owned subsidiaries (referred to herein as the &#x201c;Company,&#x201d; &#x201c;Pioneer Power,&#x201d;
&#x201c;we,&#x201d; &#x201c;our&#x201d; and &#x201c;us&#x201d;) manufacture, sell and service a broad range of specialty electrical
infrastructure and on-site power generation equipment for applications in the utility, industrial, commercial and backup power
markets. Our principal products and services include switchgear and engine-generator controls, complemented by a national field-service
network to maintain and repair power generation assets. The Company is headquartered in Fort Lee, New Jersey and operates from
&lt;span id="xdx_90D_ecustom--NumberOfAdditionalLocations_dc_c20210101__20210930_ze8w4w0VIK5j"&gt;three&lt;/span&gt; (3) additional locations in the U.S. for manufacturing, service and maintenance, engineering, sales and administration.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;We
have &lt;span id="xdx_904_eus-gaap--NumberOfReportableSegments_dc_uNumber_c20210101__20210930_zWC367pqFmY" title="Number of reportable segments"&gt;two&lt;/span&gt; reportable segments as defined in our Annual Report on Form 10-K for the year ended December 31, 2020, as filed with
the Securities and Exchange Commission (the &#x201c;SEC&#x201d;) on March 30, 2021: Transmission and Distribution Solutions (&#x201c;T&amp;amp;D
Solutions&#x201d;) and Critical Power Solutions (&#x201c;Critical Power&#x201d;).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;Presentation&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
accompanying unaudited interim consolidated financial statements of the Company have been prepared pursuant to the rules of the
SEC and reflect the accounts of the Company as of September 30, 2021. Certain information and footnote disclosures, normally included
in annual financial statements prepared in accordance with accounting principles generally accepted in the United States (&#x201c;U.S.
GAAP&#x201d;), have been condensed or omitted pursuant to those rules and regulations. We believe that the disclosures made are
adequate to make the information presented not misleading to the reader. In the opinion of management, all adjustments, consisting
only of normal recurring adjustments, necessary to fairly state the financial position, results of operations and cash flows with
respect to the interim consolidated financial statements have been included. The results of operations for the interim period
are not necessarily indicative of the results for the entire fiscal year. The year-end balance sheet data was derived from audited
financial statements but does not include all disclosures required by U.S. GAAP for a year-end balance sheet.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;All
dollar amounts (except share and per share data) presented in the notes to our unaudited interim consolidated financial statements
are stated in thousands of dollars, unless otherwise noted. Amounts may not foot due to rounding. ASC 740-270 requires the use
of an estimated annual effective tax rate to compute the tax provision during an interim period unless certain exceptions are
met. We have used a discrete-period computation method to calculate taxes for the fiscal three and nine month periods ended September
30, 2021. Due to operating losses, the Company has determined that it is unable to reliably estimate its annual effective tax
rate.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;These
unaudited interim consolidated financial statements include the accounts of Pioneer Power and its wholly-owned subsidiaries. All
significant intercompany accounts and transactions have been eliminated in consolidation.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;These
unaudited interim consolidated financial statements should be read in conjunction with the risk factors under the heading &#x201c;Part
II - Item 1A. Risk Factors&#x201d; and the risk factors and the audited consolidated financial statements and notes thereto of
the Company and its subsidiaries included in the Company&#x2019;s Annual Report on Form 10-K for the year ended December 31, 2020.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;Liquidity&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
accompanying financial statements have been prepared on a basis, which contemplates the realization of assets and the satisfaction
of liabilities in the normal course of business. As shown in the accompanying financial statements as of the nine months ended
September 30, 2021, the Company had $&lt;span id="xdx_902_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn5n6_c20210930_zK8Nm6RiDM59" title="Cash"&gt;3.4&lt;/span&gt; million of cash on hand and working capital of $&lt;span id="xdx_90D_ecustom--WorkingCapital_iI_pn5n6_c20210930_zmOEYKB8Re21"&gt;5.7&lt;/span&gt; million. The cash on hand was generated
primarily from the completion of the sale of the transformer business units during the year ended December 31, 2019, proceeds
from the sale of the CleanSpark Common Stock (as defined herein) and warrants to purchase CleanSpark Common Stock, proceeds from
insurance and the funding from the Paycheck Protection Program recognized during the year ended December 31, 2020. We have historically
met our cash needs through a combination of cash flows from operating activities and bank borrowings. Our cash requirements historically
were for operating activities, debt repayment and capital improvements. As all outstanding amounts under our credit facilities
were paid in full during the year ended December 31, 2019, and the credit facilities terminated, we expect to meet our cash needs
with our working capital and cash flows from our operating activities. We expect our cash requirements to be generally for operating
activities and capital improvements. The Company expects that its current cash balance is sufficient to fund operations for the
next twelve months.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;On
&lt;span id="xdx_90A_eus-gaap--DividendsPayableDateDeclaredDayMonthAndYear_dd_c20210531__20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_zVeMcqcHTUNc" title="Dividend date declared"&gt;June 1, 2021&lt;/span&gt;, the board of directors of the Company declared a special cash dividend of $&lt;span id="xdx_90F_eus-gaap--DividendsPayableAmountPerShare_iI_pip0_uUSDPShares_c20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_zerXVmkPResh" title="Dividend amount (in dollars per share)"&gt;0.12&lt;/span&gt; per common share, payable to shareholders
of record as of &lt;span id="xdx_906_eus-gaap--DividendsPayableDateOfRecordDayMonthAndYear_dd_c20210531__20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_z2NhniwZRM83" title="Dividend record date"&gt;June 22, 2021&lt;/span&gt;, to be paid on &lt;span id="xdx_908_eus-gaap--DividendPayableDateToBePaidDayMonthAndYear_dd_c20210531__20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_zxmaJUpwXFug" title="Dividend payment date"&gt;July 7, 2021&lt;/span&gt;. The Cash dividends were paid in July of 2021 and equaled $&lt;span id="xdx_909_eus-gaap--DividendsPayableAmountPerShare_iI_pip0_uUSDPShares_c20210707__us-gaap--DividendsAxis__us-gaap--DividendPaidMember_zxDOXuo518J6"&gt;0.12&lt;/span&gt; per
share on the $&lt;span id="xdx_900_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pip0_uUSDPShares_c20210707__us-gaap--DividendsAxis__us-gaap--DividendPaidMember_zLR2LwozzGf5" title="Common stock, par value (in dollars per share)"&gt;0.001&lt;/span&gt; par value common stock resulting in an aggregate distribution of approximately $&lt;span id="xdx_90D_eus-gaap--PaymentsOfDividends_pn5n6_c20210706__20210707__us-gaap--DividendsAxis__us-gaap--DividendPaidMember_zESLqSSY7xpl" title="Dividend paid"&gt;1.0&lt;/span&gt; million representing a
capital repayment paid from additional paid-in capital (&#x201c;APIC&#x201d;).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"/&gt;&lt;/p&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;During
the first quarter of 2021, the Company executed a cash collateral security agreement with a commercial bank, which agreement required
us to pledge cash collateral as security for all unpaid reimbursement obligations owing to the commercial bank for an irrevocable
standby letter of credit in the amount of $&lt;span id="xdx_907_eus-gaap--LettersOfCreditOutstandingAmount_iI_pn5n6_c20210930_zBSQalAdMVZh" title="Irrevocable standby letter of credit"&gt;1.8&lt;/span&gt; million. As a result of executing the cash collateral security agreement, the Company
recognized approximately $&lt;span id="xdx_90A_eus-gaap--RestrictedCash_iI_pn3n3_dxL_c20210930_zDzVjnY2Socb" title="Restricted cash::XDX::1775"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0535"&gt;1.8&lt;/span&gt;&lt;/span&gt; million of restricted cash within the consolidated balance sheet at September 30, 2021.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;In
November 2016, the FASB issued amended guidance to ASU No. 2016-18, Statement of Cash Flows - Restricted Cash (Topic 230), which
requires the statement of cash flows to explain the change during the period in the total of cash, cash equivalents, and restricted
cash and that restricted cash be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period
total amounts shown on the statement of cash flows.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_899_ecustom--ReconciliationOfCashAndRestrictedCashTableTextBlock_z7E4euoL2frl" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BE_zwPOctP2eWme"&gt;The
following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum
to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_49A_20210930_ze4PCG3pugb1" style="font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_499_20201231_zPW6JLcqysMc" style="font-weight: bold; text-align: center"&gt;December 31,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40A_eus-gaap--Cash_iI_pn3n3_maCCERCzUVz_maCCERCz7Wp_zV1MzPXh1Eh3" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 54%"&gt;Cash&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;3,372&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;7,567&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_405_eus-gaap--RestrictedCash_iI_pn3n3_maCCERCzUVz_maCCERCz7Wp_zKHUQjh7E8C3" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Restricted cash&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;1,775&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0543"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_402_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iTI_pn3n3_mtCCERCzUVz_mtCCERCz7Wp_z56lGOPB4Fr1" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total cash and restricted cash as shown in the statement of cash flows&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;5,147&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;7,567&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;

&lt;p id="xdx_8AC_zdPf68jy9m9k" style="margin-top: 0; margin-bottom: 0"&gt;&#160;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;COVID-19&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;On
January 30, 2020, the World Health Organization (&#x201c;WHO&#x201d;) announced a global health emergency because of a new strain
of coronavirus originating in Wuhan, China and the risks to the international community as the virus spreads globally beyond its
point of origin. In March 2020, the WHO classified the COVID-19 outbreak as a pandemic (the &#x201c;COVID-19 pandemic&#x201d;),
based on the rapid increase in exposure globally.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
full impact of the COVID-19 pandemic continues to evolve as the date of this report. As such, it is uncertain as to the full magnitude
that the pandemic will have on the Company&#x2019;s financial condition, liquidity, and future results of operations. During the
three months ended September 30, 2021, the Company experienced an impact to productivity as a result of following social distancing
guidelines and practicing personal protective measures. Notwithstanding, the Company has been able to operate substantially at
capacity during the COVID-19 pandemic. Management is actively monitoring the global situation on its financial condition, liquidity,
operations, suppliers, industry, and workforce. Given the daily evolution of the COVID-19 pandemic and the global responses to
contain its spread, the Company is not able to estimate the full effects of the COVID-19 pandemic at this time, however, if the
pandemic continues, it may continue to have an adverse effect on the Company&#x2019;s results of operations, financial condition,
or liquidity.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;On
March 27, 2020, then President Trump signed into law the &#x201c;Coronavirus Aid, Relief, and Economic Security (CARES) Act&#x201d;
(the &#x201c;CARES Act&#x201d;) The CARES Act, among other things, appropriates funds for the SBA Paycheck Protection Program loans
that are forgivable in certain situations to promote continued employment. On April 13, 2020, after having determined that it
met the qualifications for this loan program due to the impact that COVID-19 would have on our financial condition, results of
operations, and/or liquidity and applying for relief, the Company received a loan under the SBA Paycheck Protection Program (the
&#x201c;PPP Loan&#x201d;) in the amount of $&lt;span id="xdx_909_eus-gaap--DebtInstrumentFaceAmount_iI_pn5n6_c20200413__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNXWAWHqijG1" title="Loan face value"&gt;1.4 &lt;/span&gt;million. The Company accounted for the PPP Loan as a debt instrument in accordance
with FASB ASC 470, Debt.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Under
the terms of the PPP Loan, the Company was eligible for full or partial loan forgiveness. During the first quarter of 2021, the
Company received full forgiveness of the PPP Loan and recognized a $&lt;span id="xdx_906_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pn5n6_c20210101__20210331__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNDLyYeSb9nb" title="Gain on extinguishment of debt"&gt;1.4&lt;/span&gt; million gain on extinguishment and forgiveness of debt
as other income in the unaudited interim consolidated statements of operations.&lt;/span&gt;&lt;/p&gt;

</us-gaap:BasisOfAccounting>
    <ppsi:NumberOfAdditionalLocations
      contextRef="From2021-01-01to2021-09-30"
      decimals="INF"
      unitRef="Number">3</ppsi:NumberOfAdditionalLocations>
    <us-gaap:NumberOfReportableSegments
      contextRef="From2021-01-01to2021-09-30"
      decimals="INF"
      unitRef="Number">2</us-gaap:NumberOfReportableSegments>
    <us-gaap:CashAndCashEquivalentsAtCarryingValue contextRef="AsOf2021-09-30" decimals="-5" unitRef="USD">3400000</us-gaap:CashAndCashEquivalentsAtCarryingValue>
    <ppsi:WorkingCapital contextRef="AsOf2021-09-30" decimals="-5" unitRef="USD">5700000</ppsi:WorkingCapital>
    <us-gaap:DividendsPayableDateDeclaredDayMonthAndYear contextRef="From2021-05-312021-06-01_us-gaap_DividendDeclaredMember">2021-06-01</us-gaap:DividendsPayableDateDeclaredDayMonthAndYear>
    <us-gaap:DividendsPayableAmountPerShare
      contextRef="AsOf2021-06-01_us-gaap_DividendDeclaredMember"
      decimals="INF"
      unitRef="USDPShares">0.12</us-gaap:DividendsPayableAmountPerShare>
    <us-gaap:DividendsPayableDateOfRecordDayMonthAndYear contextRef="From2021-05-312021-06-01_us-gaap_DividendDeclaredMember">2021-06-22</us-gaap:DividendsPayableDateOfRecordDayMonthAndYear>
    <us-gaap:DividendPayableDateToBePaidDayMonthAndYear contextRef="From2021-05-312021-06-01_us-gaap_DividendDeclaredMember">2021-07-07</us-gaap:DividendPayableDateToBePaidDayMonthAndYear>
    <us-gaap:DividendsPayableAmountPerShare
      contextRef="AsOf2021-07-07_us-gaap_DividendPaidMember"
      decimals="INF"
      unitRef="USDPShares">0.12</us-gaap:DividendsPayableAmountPerShare>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="AsOf2021-07-07_us-gaap_DividendPaidMember"
      decimals="INF"
      unitRef="USDPShares">0.001</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:PaymentsOfDividends
      contextRef="From2021-07-062021-07-07_us-gaap_DividendPaidMember"
      decimals="-5"
      unitRef="USD">1000000.0</us-gaap:PaymentsOfDividends>
    <us-gaap:LettersOfCreditOutstandingAmount contextRef="AsOf2021-09-30" decimals="-5" unitRef="USD">1800000</us-gaap:LettersOfCreditOutstandingAmount>
    <ppsi:ReconciliationOfCashAndRestrictedCashTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_899_ecustom--ReconciliationOfCashAndRestrictedCashTableTextBlock_z7E4euoL2frl" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BE_zwPOctP2eWme"&gt;The
following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum
to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_49A_20210930_ze4PCG3pugb1" style="font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_499_20201231_zPW6JLcqysMc" style="font-weight: bold; text-align: center"&gt;December 31,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40A_eus-gaap--Cash_iI_pn3n3_maCCERCzUVz_maCCERCz7Wp_zV1MzPXh1Eh3" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 54%"&gt;Cash&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;3,372&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;7,567&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_405_eus-gaap--RestrictedCash_iI_pn3n3_maCCERCzUVz_maCCERCz7Wp_zKHUQjh7E8C3" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Restricted cash&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;1,775&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0543"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_402_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iTI_pn3n3_mtCCERCzUVz_mtCCERCz7Wp_z56lGOPB4Fr1" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total cash and restricted cash as shown in the statement of cash flows&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;5,147&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;7,567&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;

</ppsi:ReconciliationOfCashAndRestrictedCashTableTextBlock>
    <us-gaap:Cash contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">3372000</us-gaap:Cash>
    <us-gaap:Cash contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">7567000</us-gaap:Cash>
    <us-gaap:RestrictedCash contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">1775000</us-gaap:RestrictedCash>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">5147000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">7567000</us-gaap:CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents>
    <us-gaap:DebtInstrumentFaceAmount
      contextRef="AsOf2020-04-13_custom_PaycheckProtectionProgramLoanMember"
      decimals="-5"
      unitRef="USD">1400000</us-gaap:DebtInstrumentFaceAmount>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="From2021-01-012021-03-31_custom_PaycheckProtectionProgramLoanMember"
      decimals="-5"
      unitRef="USD">1400000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:SignificantAccountingPoliciesTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_804_eus-gaap--SignificantAccountingPoliciesTextBlock_zehgIyrOtkg7" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;2.
&lt;span id="xdx_82D_znwrxuVG1dM5"&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-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
Company&#x2019;s significant accounting policies are described in Note 2 to the audited consolidated financial statements included
in the Company&#x2019;s Annual Report on Form 10-K for the year ended December 31, 2020. There have been no significant changes
in the Company&#x2019;s accounting policies during the third quarter of 2021.&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_841_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zvueouz8enYc" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;&lt;span id="xdx_860_zMp9hVrAfSo"&gt;Recent
Accounting Pronouncements&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;There
have been no recent accounting pronouncements not yet adopted by the Company which would 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-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;i&gt;Income
Taxes&lt;/i&gt;. In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (Topic 740), which simplifies the accounting for income
taxes by removing certain exceptions to the general principles in Topic 740 and also clarifies and amends existing guidance to
improve consistent application. The ASU is effective for all annual and interim periods beginning December 15, 2020, with early
adoption permitted. The Company adopted this guidance on January 1, 2021. The adoption of this ASU did not have a material impact
on the consolidated financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;i&gt;Fair
Value Measurement&lt;/i&gt;. In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework
- Changes to the Disclosure Requirements for Fair Value Measurement that eliminates, amends, and adds certain disclosure requirements
for fair value measurements. The Company adopted this guidance on January 1, 2020. The adoption of this ASU did not have a material
impact on the consolidated financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;i&gt;Measurement
of Credit Losses on Financial Instrument&lt;/i&gt;. In June 2016, the FASB issued amended guidance to ASU No. 2016-13, Financial Instruments
- Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments that changes the impairment model for most
financial assets and certain other instruments. For trade and other receivables, held-to-maturity debt securities, loans and other
instruments, entities will be required to use a new forward-looking &#x201c;expected loss&#x201d; model that will replace today&#x2019;s
&#x201c;incurred loss&#x201d; model and generally will result in the earlier recognition of allowances for losses. For available-for-sale
debt securities with unrealized losses, entities will measure credit losses in a manner similar to current practice, except that
the losses will be recognized as an allowance. This amended guidance for small reporting companies is effective for fiscal years
beginning after December 15, 2022, including interim periods within those fiscal years. Entities will apply the standard&#x2019;s
provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first effective reporting period.
The Company does not expect that the amended guidance will have a material effect on our consolidated financial statements and
related disclosures.&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_854_zfd5ogwY0J67" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:SignificantAccountingPoliciesTextBlock>
    <us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_841_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zvueouz8enYc" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;&lt;span id="xdx_860_zMp9hVrAfSo"&gt;Recent
Accounting Pronouncements&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;There
have been no recent accounting pronouncements not yet adopted by the Company which would 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-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;i&gt;Income
Taxes&lt;/i&gt;. In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (Topic 740), which simplifies the accounting for income
taxes by removing certain exceptions to the general principles in Topic 740 and also clarifies and amends existing guidance to
improve consistent application. The ASU is effective for all annual and interim periods beginning December 15, 2020, with early
adoption permitted. The Company adopted this guidance on January 1, 2021. The adoption of this ASU did not have a material impact
on the consolidated financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;i&gt;Fair
Value Measurement&lt;/i&gt;. In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework
- Changes to the Disclosure Requirements for Fair Value Measurement that eliminates, amends, and adds certain disclosure requirements
for fair value measurements. The Company adopted this guidance on January 1, 2020. The adoption of this ASU did not have a material
impact on the consolidated financial statements.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;i&gt;Measurement
of Credit Losses on Financial Instrument&lt;/i&gt;. In June 2016, the FASB issued amended guidance to ASU No. 2016-13, Financial Instruments
- Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments that changes the impairment model for most
financial assets and certain other instruments. For trade and other receivables, held-to-maturity debt securities, loans and other
instruments, entities will be required to use a new forward-looking &#x201c;expected loss&#x201d; model that will replace today&#x2019;s
&#x201c;incurred loss&#x201d; model and generally will result in the earlier recognition of allowances for losses. For available-for-sale
debt securities with unrealized losses, entities will measure credit losses in a manner similar to current practice, except that
the losses will be recognized as an allowance. This amended guidance for small reporting companies is effective for fiscal years
beginning after December 15, 2022, including interim periods within those fiscal years. Entities will apply the standard&#x2019;s
provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first effective reporting period.
The Company does not expect that the amended guidance will have a material effect on our consolidated financial statements and
related disclosures.&lt;/span&gt;&lt;/p&gt;

</us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock>
    <us-gaap:FairValueDisclosuresTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_80F_eus-gaap--FairValueDisclosuresTextBlock_zUzDidoBqyJg" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;3.
&lt;span id="xdx_823_zbdprG7Fr1K6"&gt;FAIR VALUE MEASUREMENTS&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;ASC
820, Fair Value Measurements and Disclosures (&#x201c;ASC 820&#x201d;), defines fair value as the price that would be received to
sell an asset, or paid to transfer a liability, in the principal or most advantageous market in an orderly transaction between
market participants on the measurement date. The fair value standard also establishes a three level hierarchy, which requires
an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The
valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability on the measurement date.
The three levels are defined as follows:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&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: 0pt; margin-bottom: 0pt"&gt;&lt;tr style="vertical-align: top"&gt;
&lt;td style="width: 0.25in"/&gt;&lt;td style="width: 0.25in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Level
                                         1 - inputs to the valuation methodology are quoted prices (unadjusted) for an identical
                                         asset or liability in an active market.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"/&gt;&lt;/p&gt;

&lt;table 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="width: 0.25in"/&gt;&lt;td style="width: 0.25in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Level
                                         2 - inputs to the valuation methodology include quoted prices for a similar asset or
                                         liability in an active market or model derived valuations in which all significant inputs
                                         are observable for substantially the full term of the asset or liability.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;

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

&lt;table 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="width: 0.25in"/&gt;&lt;td style="width: 0.25in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#x25cf;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Level
                                         3 - inputs to the valuation methodology are unobservable and significant to the fair
                                         value measurement of the asset or liability.&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;&lt;/table&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;On
January 22, 2019, Pioneer Critical Power, Inc., a Delaware corporation, and a wholly-owned subsidiary of the Company within the
T&amp;amp;D Solutions segment, entered into an Agreement and Plan of Merger with CleanSpark and CleanSpark Acquisition, Inc., a Delaware
corporation, which resulted in the Company receiving financial instruments that included the right to receive (i) &lt;span id="xdx_90B_eus-gaap--ConversionOfStockSharesIssued1_pid_c20190121__20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zF7Mq43dO7K2" title="Number of shares converted"&gt;175,000&lt;/span&gt; shares
of CleanSpark Common Stock (&#x201c;CleanSpark Common Stock&#x201d;), (ii) a &lt;span id="xdx_902_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dxL_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant1Member_z3opXX4XzCbl" title="Warrant term::XDX::P5Y"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0560"&gt;five&lt;/span&gt;&lt;/span&gt;-year warrant to purchase &lt;span id="xdx_90C_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pid_uShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant1Member_zowXvHh6jkt2" title="Number of shares called by warrant"&gt;50,000&lt;/span&gt; shares of CleanSpark
Common Stock at an exercise price of $&lt;span id="xdx_907_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pid_uUSDPShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant1Member_zSR8ZAigKqik" title="Warrant exercise price"&gt;16.00&lt;/span&gt; per share, and (iii) a &lt;span id="xdx_90D_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dxL_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant2Member_zgXNrzL9JjPf" title="::XDX::P5Y"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0565"&gt;five&lt;/span&gt;&lt;/span&gt;-year warrant to purchase &lt;span id="xdx_90E_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pii_uShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant2Member_zk4RFP4ZfTC"&gt;50,000&lt;/span&gt; shares of CleanSpark Common
Stock at an exercise price of $&lt;span id="xdx_90F_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pii_uUSDPShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant2Member_zr86mgYMLUv3"&gt;20.00&lt;/span&gt; per share. The share quantities and exercise prices of warrants reflect the &lt;span id="xdx_906_eus-gaap--StockholdersEquityReverseStockSplit_c20191201__20191231__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zuTkc9Hkl332" title="Reverse stock split"&gt;10:1 reverse
stock split&lt;/span&gt; which was completed by CleanSpark in December 2019.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;During
the three months ended September 30, 2020, the Company sold all of the CleanSpark Common Stock and warrants to purchase CleanSpark
Common Stock it received in connection with the Merger Agreement and recorded proceeds of $&lt;span id="xdx_904_eus-gaap--ProceedsFromSaleOfEquitySecuritiesFvNi_pn5n6_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zdcikv7deBye" title="Proceeds from sale"&gt;2.4&lt;/span&gt; million. The gain from the sale
was partially offset by a mark to market adjustment of $&lt;span id="xdx_90F_eus-gaap--EquitySecuritiesFvNiUnrealizedLoss_pn3n3_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zUw7nYp03833" title="Unrealized mark to market adjustment"&gt;700&lt;/span&gt; and $&lt;span id="xdx_902_eus-gaap--EquitySecuritiesFvNiUnrealizedLoss_pn5n6_c20200101__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zkGbX1Wv79Ba"&gt;1.4&lt;/span&gt; million resulting in a net gain of $&lt;span id="xdx_906_eus-gaap--EquitySecuritiesFvNiGainLoss_pn5n6_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zyZhIv8mr6d8" title="Net gain"&gt;1.7&lt;/span&gt; million and $&lt;span id="xdx_909_eus-gaap--EquitySecuritiesFvNiGainLoss_pn3n3_c20200101__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_z86LRZ3x2Ygk"&gt;968&lt;/span&gt;
for the three and nine months ended September 30, 2020, respectively, to other expense (income) in the accompanying statements
of operations. Warrants at fair value were previously recorded at inception as long term within other assets.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"/&gt;&lt;/p&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;No
changes in valuation techniques or inputs occurred during the nine months ended September 30, 2021 and 2020. No transfers of assets
between Level 1 and Level 2 of the fair value measurement hierarchy occurred during the nine months ended September 30, 2021 and
2020.&lt;/span&gt;&lt;/p&gt;

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    <us-gaap:RevenueFromContractWithCustomerTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_80E_eus-gaap--RevenueFromContractWithCustomerTextBlock_zKQ5MEun2Adf" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;4.
&lt;span&gt;&lt;span id="xdx_82E_z8bCqr1zEil2"&gt;REVENUES&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-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;Nature
of our products and services&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Our
principal products and services include switchgear and engine-generator controls, complemented by a national field-service network
to maintain and repair power generation assets.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;i&gt;Products
&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;We
provide a portfolio of distributed generation products, including switchgear that helps customers effectively and efficiently
manage their electrical power distribution systems to desired specifications and allows for flexibility to combine a wide variety
of distributed energy resources in a compact, integrated package.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Additionally,
we provide our customers with new and used sophisticated power generation equipment intended to ensure smooth, uninterrupted power
to operations during times of emergency.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;i&gt;Services&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Power
generation systems represent considerable investments that require proper maintenance and service in order to operate reliably
during a time of emergency. Our&#160;power maintenance programs provide&#160;preventative maintenance, repair and support service
for our customers&#x2019; power generation systems.&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Our
principal source of revenue is derived from sales of products and fees for services. We measure revenue based upon the consideration
specified in the customer arrangement, and revenue is recognized when the performance obligations in the customer arrangement
are satisfied. A performance obligation is a promise in a contract to transfer a distinct product or service to the customer.
The transaction price of a contract is allocated to each distinct performance obligation and recognized as revenue when or as,
the customer receives the benefit of the performance obligation. Customers typically receive the benefit of our products when
the risk of loss or control for the product transfers to the customer and for services as they are performed. Under ASC 606, revenue
is recognized when a customer obtains control of promised products or services in an amount that reflects the consideration we
expect to receive in exchange for those products or services. To achieve this core principal, the Company applies the following
five steps:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;1)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;i&gt;Identify
the contract with a customer&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;A
contract with a customer exists when (i) the Company enters into an enforceable contract with a customer that defines each party&#x2019;s
rights regarding the products or services to be transferred and identifies the payment terms related to these products or services,
(ii) the contract has commercial substance and, (iii) the Company determines that collection of substantially all consideration
for products or services that are transferred is probable based on the customer&#x2019;s intent and ability to pay the promised
consideration. The Company applies judgment in determining the customer&#x2019;s ability and intention to pay, which is based on
a variety of factors including the customer&#x2019;s historical payment experience or, in the case of a new customer, published
credit and financial information pertaining to the customer.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;i&gt;Identify
the performance obligations in the contract&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Performance
obligations promised in a contract are identified based on the products or services that will be transferred to the customer that
are both capable of being distinct, whereby the customer can benefit from the product or service either on its own or together
with other resources that are readily available from third parties or from the Company, and are distinct in the context of the
contract, whereby the transfer of the products or services is separately identifiable from other promises in the contract. To
the extent a contract includes multiple promised products or services, the Company must apply judgment to determine whether promised
products or services are capable of being distinct and distinct in the context of the contract. If these criteria are not met
the promised products or services are accounted for as a combined performance obligation.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;3)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;i&gt;Determine
the transaction price&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
transaction price is determined based on the consideration to which the Company will be entitled in exchange for transferring
products or services to the customer. The customer payments are generally due in 30 days.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"/&gt;&lt;/p&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;4)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;i&gt;Allocate
the transaction price to performance obligations in the contract&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;If
the contract contains a single performance obligation, the entire transaction price is allocated to the single performance obligation.
Contracts that contain multiple performance obligations require an allocation of the transaction price to each performance obligation
based on a relative standalone selling price basis or cost of the product or service. The Company determines standalone selling
price based on the price at which the performance obligation is sold separately. If the standalone selling price is not observable
through past transactions, the Company estimates the standalone selling price taking into account available information such as
market conditions and internally approved pricing guidelines related to the performance obligations.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;5)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&lt;i&gt;Recognize
revenue when or as the Company satisfies a performance obligation&lt;/i&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
Company satisfies performance obligations either over time or at a point in time. Revenue is recognized at the time the related
performance obligation is satisfied by transferring a promised product or service to a customer.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Revenue
from the sale of our switchgear equipment is predominantly recognized at a point in time and substantially all of our revenue
from the sale of power generation equipment is recognized at a point in time. Revenues are recognized at the point in time that
the customer obtains control of the good which is when it has taken title to the products and has assumed the risks and rewards
of ownership specified in the purchase order or sales agreement. Certain sales of highly customized large switchgear equipment
are recognized over time when such equipment has no alternative use and the Company has an enforceable right to payment for performance
completed to date. Revenue for such agreements is recognized under the input method based on cost incurred relative to the estimated
cost expected to be consumed to complete the project.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;During
the three months ended September 30, 2021, the Company recognized $&lt;span id="xdx_90C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zBFsFxvKz8Z8" title="Revenue"&gt;262&lt;/span&gt; of revenue over time and incurred costs of $&lt;span id="xdx_907_eus-gaap--CostsIncurredDevelopmentCosts_pn3n3_c20210701__20210930_zRyfu6x2v6P5" title="Contract costs incurred"&gt;227&lt;/span&gt; related
to a single contract. During the nine months ended September 30, 2021, the Company recognized $&lt;span id="xdx_90D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn5n6_c20210101__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zaI07XHo9Jg"&gt;3.4&lt;/span&gt; million of revenue over time
and incurred costs of $&lt;span id="xdx_900_eus-gaap--CostsIncurredDevelopmentCosts_pn5n6_c20210101__20210930_ztpWV0V9wbdf"&gt;3.1&lt;/span&gt; million related to a single contract. Additionally, the Company recognized $&lt;span id="xdx_90A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn5n6_c20210701__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zFa0dRsqVVY1"&gt;3.4&lt;/span&gt; million and $&lt;span id="xdx_90F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn5n6_c20210101__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zUhPZdldYlmd"&gt;6.0&lt;/span&gt; million
of revenue at a point in time from the sale of our switchgear and power generation equipment during the three and nine months
ended September 30, 2021, respectively. Service revenues include maintenance contracts that are recognized over time based on
the contract term and repair services which are recognized as services are delivered.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_894_eus-gaap--DisaggregationOfRevenueTableTextBlock_z3aIO3IBfiM2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BF_ztxElkvGgG8b"&gt;The
following table presents our revenues disaggregated by revenue discipline:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;Three Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;Nine Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; width: 28%; vertical-align: bottom"&gt;Products&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zax9rqfvZ0Lg" style="width: 10%; text-align: right"&gt;3,690&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200701__20200930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZsFmqxmvxN3" style="width: 10%; text-align: right"&gt;1,918&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20210930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zQcpvz1ECRq4" style="width: 10%; text-align: right"&gt;9,359&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zfYHMgfIYqD1" style="width: 10%; text-align: right"&gt;8,261&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; vertical-align: bottom"&gt;Services&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zAFKDWWmCV93" style="border-bottom: Black 1pt solid; text-align: right"&gt;1,995&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200701__20200930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zONAinGBzvze" style="border-bottom: Black 1pt solid; text-align: right"&gt;2,133&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20210930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zM7wWeHSUGRj" style="border-bottom: Black 1pt solid; text-align: right"&gt;5,454&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zQ1HGMdnq8u4" style="border-bottom: Black 1pt solid; text-align: right"&gt;5,877&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total revenue&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930_zQwVPWUuDZfe" style="border-bottom: Black 2.5pt double; text-align: right"&gt;5,685&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200701__20200930_zwlGw97cZZ5l" style="border-bottom: Black 2.5pt double; text-align: right"&gt;4,051&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20210930_zTXEbduozOzl" style="border-bottom: Black 2.5pt double; text-align: right"&gt;14,813&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930_zVPrJuh4HWF9" style="border-bottom: Black 2.5pt double; text-align: right" title="Total revenue"&gt;14,138&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"/&gt;

&lt;p id="xdx_8A1_zed9TBed8gvg" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;See
Note 12 - Business Segment and Geographic Information in Notes to Consolidated Financial Statements in Part I of this Form 10-Q.&lt;/span&gt;&lt;/p&gt;

</us-gaap:RevenueFromContractWithCustomerTextBlock>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-07-012021-09-30_us-gaap_TransferredOverTimeMember"
      decimals="-3"
      unitRef="USD">262000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:CostsIncurredDevelopmentCosts
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">227000</us-gaap:CostsIncurredDevelopmentCosts>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-09-30_us-gaap_TransferredOverTimeMember"
      decimals="-5"
      unitRef="USD">3400000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:CostsIncurredDevelopmentCosts
      contextRef="From2021-01-01to2021-09-30"
      decimals="-5"
      unitRef="USD">3100000</us-gaap:CostsIncurredDevelopmentCosts>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-07-012021-09-30_us-gaap_TransferredAtPointInTimeMember"
      decimals="-5"
      unitRef="USD">3400000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-09-30_us-gaap_TransferredAtPointInTimeMember"
      decimals="-5"
      unitRef="USD">6000000.0</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:DisaggregationOfRevenueTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_894_eus-gaap--DisaggregationOfRevenueTableTextBlock_z3aIO3IBfiM2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BF_ztxElkvGgG8b"&gt;The
following table presents our revenues disaggregated by revenue discipline:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;Three Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;Nine Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; width: 28%; vertical-align: bottom"&gt;Products&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zax9rqfvZ0Lg" style="width: 10%; text-align: right"&gt;3,690&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200701__20200930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZsFmqxmvxN3" style="width: 10%; text-align: right"&gt;1,918&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20210930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zQcpvz1ECRq4" style="width: 10%; text-align: right"&gt;9,359&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zfYHMgfIYqD1" style="width: 10%; text-align: right"&gt;8,261&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; vertical-align: bottom"&gt;Services&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zAFKDWWmCV93" style="border-bottom: Black 1pt solid; text-align: right"&gt;1,995&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200701__20200930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zONAinGBzvze" style="border-bottom: Black 1pt solid; text-align: right"&gt;2,133&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20210930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zM7wWeHSUGRj" style="border-bottom: Black 1pt solid; text-align: right"&gt;5,454&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zQ1HGMdnq8u4" style="border-bottom: Black 1pt solid; text-align: right"&gt;5,877&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total revenue&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930_zQwVPWUuDZfe" style="border-bottom: Black 2.5pt double; text-align: right"&gt;5,685&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200701__20200930_zwlGw97cZZ5l" style="border-bottom: Black 2.5pt double; text-align: right"&gt;4,051&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20210930_zTXEbduozOzl" style="border-bottom: Black 2.5pt double; text-align: right"&gt;14,813&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930_zVPrJuh4HWF9" style="border-bottom: Black 2.5pt double; text-align: right" title="Total revenue"&gt;14,138&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"/&gt;

</us-gaap:DisaggregationOfRevenueTableTextBlock>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-07-012021-09-30_us-gaap_ProductMember"
      decimals="-3"
      unitRef="USD">3690000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-07-012020-09-30_us-gaap_ProductMember"
      decimals="-3"
      unitRef="USD">1918000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-09-30_us-gaap_ProductMember"
      decimals="-3"
      unitRef="USD">9359000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-09-30_us-gaap_ProductMember"
      decimals="-3"
      unitRef="USD">8261000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-07-012021-09-30_us-gaap_ServiceMember"
      decimals="-3"
      unitRef="USD">1995000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-07-012020-09-30_us-gaap_ServiceMember"
      decimals="-3"
      unitRef="USD">2133000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-012021-09-30_us-gaap_ServiceMember"
      decimals="-3"
      unitRef="USD">5454000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-09-30_us-gaap_ServiceMember"
      decimals="-3"
      unitRef="USD">5877000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">5685000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="USD">4051000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">14813000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">14138000</us-gaap:RevenueFromContractWithCustomerExcludingAssessedTax>
    <us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_80A_eus-gaap--OtherNonoperatingIncomeAndExpenseTextBlock_z9OMlm7RTW36" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;5.
&lt;span id="xdx_82B_zuH1zrzKljw5"&gt;OTHER EXPENSE (INCOME)&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Other
expense (income) in the unaudited interim consolidated statements of operations reports certain gains and losses associated with
activities not directly related to our core operations. For the three months ended September 30, 2021, other expense was $&lt;span id="xdx_90D_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_di_c20210701__20210930_zKlN0mhobsQ5" title="Other expense (income)"&gt;13&lt;/span&gt;,
as compared to other income of $&lt;span id="xdx_907_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_dixL_c20200701__20200930_zSmuPAkCIptj" title="::XDX::-1%2C735"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0607"&gt;1.7&lt;/span&gt;&lt;/span&gt; million during the three months ended September 30, 2020. For the three months ended September
30, 2020, included in other income was a gain of $&lt;span id="xdx_90D_eus-gaap--EquitySecuritiesFvNiGainLoss_pn5n6_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_z3EiyQkdunHa" title="Net gain"&gt;1.7&lt;/span&gt; million related to the sale of CleanSpark Common Stock and warrants.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;For
the nine months ended September 30, 2021, other income was $&lt;span id="xdx_90F_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_dixL_c20210101__20210930_z8d8pMnriGu6" title="::XDX::-1%2C294"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0610"&gt;1.3&lt;/span&gt;&lt;/span&gt; million, as compared to other income of $&lt;span id="xdx_90F_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_dixL_c20200101__20200930_z2YaAB7bp1K5" title="::XDX::-904"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0611"&gt;904&lt;/span&gt;&lt;/span&gt; during the nine months
ended September 30, 2020. For the nine months ended September 30, 2021, included in other income was a gain of $&lt;span id="xdx_901_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pn5n6_c20210101__20210930__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zeXC89yVn6A4" title="Gain on extinguishment of debt"&gt;1.4&lt;/span&gt; million for
the extinguishment and forgiveness of the PPP Loan. For the nine months ended September 30, 2020, included in other income was
a gain of $&lt;span id="xdx_90C_eus-gaap--EquitySecuritiesFvNiGainLoss_pn3n3_c20200101__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_z6S4CRJPMX26" title="Net gain"&gt;968&lt;/span&gt; related to the sale and mark to market adjustment on the fair value of the CleanSpark Common Stock and warrants.&lt;/span&gt;&lt;/p&gt;

</us-gaap:OtherNonoperatingIncomeAndExpenseTextBlock>
    <us-gaap:OtherNonoperatingIncomeExpense
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">-13000</us-gaap:OtherNonoperatingIncomeExpense>
    <us-gaap:EquitySecuritiesFvNiGainLoss
      contextRef="From2020-07-012020-09-30_custom_CleanSparkMember_us-gaap_CommonStockMember"
      decimals="-5"
      unitRef="USD">1700000</us-gaap:EquitySecuritiesFvNiGainLoss>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="From2021-01-012021-09-30_custom_PaycheckProtectionProgramLoanMember"
      decimals="-5"
      unitRef="USD">1400000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:EquitySecuritiesFvNiGainLoss
      contextRef="From2020-01-012020-09-30_custom_CleanSparkMember_us-gaap_CommonStockMember"
      decimals="-3"
      unitRef="USD">968000</us-gaap:EquitySecuritiesFvNiGainLoss>
    <us-gaap:InventoryDisclosureTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_80A_eus-gaap--InventoryDisclosureTextBlock_z73a52KsEtu6" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;6.
&lt;span id="xdx_82E_z4sg29hTcdd5"&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-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_896_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zF5F8Ip0OfN4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BC_zLNwY71nE2v3"&gt;The
components of inventories are summarized below&lt;/span&gt;:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_493_20210930_zhPX8OGWAwX9" style="font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_497_20201231_zBXGqlnTIb04" style="font-weight: bold; text-align: center"&gt;December 31,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40A_eus-gaap--InventoryRawMaterials_iI_pn3n3_maINz2Xt_maINzSXt_zS3iuOuFuAE" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 54%; text-align: left"&gt;Raw materials&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;1,840&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;1,719&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40F_eus-gaap--InventoryWorkInProcess_iI_pn3n3_maINz2Xt_maINzSXt_z1vI2LuyqUb8" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Work in process&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;2,457&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;1,420&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_409_eus-gaap--InventoryValuationReserves_iNI_pn3n3_di_msINz2Xt_msINzSXt_zVa7FuZmi8ok" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Provision for excess and obsolete inventory&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;(797&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;(736&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_409_eus-gaap--InventoryNet_iTI_pn3n3_mtINz2Xt_mtINzSXt_zpcIXXaEDFMf" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total inventories&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;3,500&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;2,403&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&gt;

&lt;p id="xdx_8A7_zTvpwenFE8Gf" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Inventories
are stated at the lower of cost or a net realizable value determined on a weighted average method.&lt;/span&gt;&lt;/p&gt;

</us-gaap:InventoryDisclosureTextBlock>
    <us-gaap:ScheduleOfInventoryCurrentTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_896_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zF5F8Ip0OfN4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BC_zLNwY71nE2v3"&gt;The
components of inventories are summarized below&lt;/span&gt;:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_493_20210930_zhPX8OGWAwX9" style="font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_497_20201231_zBXGqlnTIb04" style="font-weight: bold; text-align: center"&gt;December 31,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40A_eus-gaap--InventoryRawMaterials_iI_pn3n3_maINz2Xt_maINzSXt_zS3iuOuFuAE" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 54%; text-align: left"&gt;Raw materials&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;1,840&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;1,719&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40F_eus-gaap--InventoryWorkInProcess_iI_pn3n3_maINz2Xt_maINzSXt_z1vI2LuyqUb8" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Work in process&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;2,457&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;1,420&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_409_eus-gaap--InventoryValuationReserves_iNI_pn3n3_di_msINz2Xt_msINzSXt_zVa7FuZmi8ok" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Provision for excess and obsolete inventory&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;(797&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;(736&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_409_eus-gaap--InventoryNet_iTI_pn3n3_mtINz2Xt_mtINzSXt_zpcIXXaEDFMf" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total inventories&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;3,500&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;2,403&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&gt;

</us-gaap:ScheduleOfInventoryCurrentTableTextBlock>
    <us-gaap:InventoryRawMaterials contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">1840000</us-gaap:InventoryRawMaterials>
    <us-gaap:InventoryRawMaterials contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">1719000</us-gaap:InventoryRawMaterials>
    <us-gaap:InventoryWorkInProcess contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">2457000</us-gaap:InventoryWorkInProcess>
    <us-gaap:InventoryWorkInProcess contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">1420000</us-gaap:InventoryWorkInProcess>
    <us-gaap:InventoryValuationReserves contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">797000</us-gaap:InventoryValuationReserves>
    <us-gaap:InventoryValuationReserves contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">736000</us-gaap:InventoryValuationReserves>
    <us-gaap:InventoryNet contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">3500000</us-gaap:InventoryNet>
    <us-gaap:InventoryNet contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">2403000</us-gaap:InventoryNet>
    <us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_80D_eus-gaap--PropertyPlantAndEquipmentDisclosureTextBlock_zpcfNTwnWhx4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;7.
&lt;span id="xdx_828_zz46OEzWTEsd"&gt;PROPERTY, PLANT 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-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_896_eus-gaap--PropertyPlantAndEquipmentTextBlock_zcUyqrWv86kl" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BF_znEdfPRa7QV7"&gt;Property,
plant and equipment are summarized below:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-weight: bold; text-align: center"&gt;December 31,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 54%; text-align: left"&gt;Machinery and equipment&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--MachineryAndEquipmentMember_zW2jd6CU7XZg" style="width: 10%; text-align: right"&gt;1,183&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--MachineryAndEquipmentMember_zGCxHMvhaBgi" style="width: 10%; text-align: right"&gt;1,210&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Furniture and fixtures&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--FurnitureAndFixturesMember_zGrwiasIthf7" style="text-align: right"&gt;205&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--FurnitureAndFixturesMember_zSUdR37j1yNi" style="text-align: right"&gt;205&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left"&gt;Computer hardware and software&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerHardwareAndSoftwareMember_zsLtMdIhtK42" style="text-align: right"&gt;539&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerHardwareAndSoftwareMember_zHkk1eo88wg9" style="text-align: right"&gt;669&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Leasehold improvements&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zMByVgTBuwo3" style="text-align: right"&gt;322&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zq1dMbBaApVf" style="text-align: right"&gt;337&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Construction in progress&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zwtKfpkyXjt8" style="border-bottom: Black 1pt solid; text-align: right"&gt;141&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zmEU0wqZA2j7" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0645"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_maPPE_c20210930_zc27a02Fk526" style="text-align: right" title="Property, plant and equipment"&gt;2,390&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231_z4tJuKSDfabb" style="text-align: right"&gt;2,421&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Less: accumulated depreciation&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_msPPE_c20210930_zMARp7yLwBQg" style="border-bottom: Black 1pt solid; text-align: right" title="Less: Accumulated depreciation"&gt;(1,912&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_c20201231_zahgclg6RNH8" style="border-bottom: Black 1pt solid; text-align: right"&gt;(1,988&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total property, plant and equipment, net&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_mtPPE_c20210930_zhrUkVgQTAz5" style="border-bottom: Black 2.5pt double; text-align: right" title="Total property, plant and equipment, net"&gt;478&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_c20201231_zVgl5f1KwYQb" style="border-bottom: Black 2.5pt double; text-align: right"&gt;433&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"/&gt;

&lt;p id="xdx_8A6_zMflSkUIltt7" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Depreciation
expense was $&lt;span id="xdx_907_eus-gaap--DepreciationDepletionAndAmortization_pn3n3_c20210701__20210930_zVpwgxOajouc" title="Depreciation expense"&gt;35&lt;/span&gt; and $&lt;span id="xdx_90E_eus-gaap--DepreciationDepletionAndAmortization_pn3n3_c20200701__20200930_zimDG9Nmdbx1"&gt;50&lt;/span&gt; for the three months ended September 30, 2021 and 2020, respectively.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Depreciation
expense was $&lt;span id="xdx_902_eus-gaap--DepreciationDepletionAndAmortization_pn3n3_c20210101__20210930_zPG13SABmTd9"&gt;110 &lt;/span&gt;and $&lt;span id="xdx_908_eus-gaap--DepreciationDepletionAndAmortization_pn3n3_c20200101__20200930_z3KPBCfHCne1"&gt;164&lt;/span&gt; for the nine months ended September 30, 2021 and 2020, respectively.&lt;/span&gt;&lt;/p&gt;

</us-gaap:PropertyPlantAndEquipmentDisclosureTextBlock>
    <us-gaap:PropertyPlantAndEquipmentTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_896_eus-gaap--PropertyPlantAndEquipmentTextBlock_zcUyqrWv86kl" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BF_znEdfPRa7QV7"&gt;Property,
plant and equipment are summarized below:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-weight: bold; text-align: center"&gt;December 31,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 54%; text-align: left"&gt;Machinery and equipment&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--MachineryAndEquipmentMember_zW2jd6CU7XZg" style="width: 10%; text-align: right"&gt;1,183&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--MachineryAndEquipmentMember_zGCxHMvhaBgi" style="width: 10%; text-align: right"&gt;1,210&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Furniture and fixtures&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--FurnitureAndFixturesMember_zGrwiasIthf7" style="text-align: right"&gt;205&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--FurnitureAndFixturesMember_zSUdR37j1yNi" style="text-align: right"&gt;205&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left"&gt;Computer hardware and software&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerHardwareAndSoftwareMember_zsLtMdIhtK42" style="text-align: right"&gt;539&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerHardwareAndSoftwareMember_zHkk1eo88wg9" style="text-align: right"&gt;669&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Leasehold improvements&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zMByVgTBuwo3" style="text-align: right"&gt;322&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zq1dMbBaApVf" style="text-align: right"&gt;337&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Construction in progress&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zwtKfpkyXjt8" style="border-bottom: Black 1pt solid; text-align: right"&gt;141&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zmEU0wqZA2j7" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0645"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_maPPE_c20210930_zc27a02Fk526" style="text-align: right" title="Property, plant and equipment"&gt;2,390&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231_z4tJuKSDfabb" style="text-align: right"&gt;2,421&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Less: accumulated depreciation&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_msPPE_c20210930_zMARp7yLwBQg" style="border-bottom: Black 1pt solid; text-align: right" title="Less: Accumulated depreciation"&gt;(1,912&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_c20201231_zahgclg6RNH8" style="border-bottom: Black 1pt solid; text-align: right"&gt;(1,988&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total property, plant and equipment, net&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_mtPPE_c20210930_zhrUkVgQTAz5" style="border-bottom: Black 2.5pt double; text-align: right" title="Total property, plant and equipment, net"&gt;478&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_c20201231_zVgl5f1KwYQb" style="border-bottom: Black 2.5pt double; text-align: right"&gt;433&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"/&gt;

</us-gaap:PropertyPlantAndEquipmentTextBlock>
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      contextRef="AsOf2021-09-30_us-gaap_MachineryAndEquipmentMember"
      decimals="-3"
      unitRef="USD">1183000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="AsOf2020-12-31_us-gaap_MachineryAndEquipmentMember"
      decimals="-3"
      unitRef="USD">1210000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="AsOf2021-09-30_us-gaap_FurnitureAndFixturesMember"
      decimals="-3"
      unitRef="USD">205000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="AsOf2020-12-31_us-gaap_FurnitureAndFixturesMember"
      decimals="-3"
      unitRef="USD">205000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="AsOf2021-09-30_custom_ComputerHardwareAndSoftwareMember"
      decimals="-3"
      unitRef="USD">539000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="AsOf2020-12-31_custom_ComputerHardwareAndSoftwareMember"
      decimals="-3"
      unitRef="USD">669000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="AsOf2021-09-30_us-gaap_LeaseholdImprovementsMember"
      decimals="-3"
      unitRef="USD">322000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="AsOf2020-12-31_us-gaap_LeaseholdImprovementsMember"
      decimals="-3"
      unitRef="USD">337000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross
      contextRef="AsOf2021-09-30_us-gaap_ConstructionInProgressMember"
      decimals="-3"
      unitRef="USD">141000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">2390000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:PropertyPlantAndEquipmentGross contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">2421000</us-gaap:PropertyPlantAndEquipmentGross>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">1912000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">1988000</us-gaap:AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment>
    <us-gaap:PropertyPlantAndEquipmentNet contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">478000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:PropertyPlantAndEquipmentNet contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">433000</us-gaap:PropertyPlantAndEquipmentNet>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">35000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="USD">50000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">110000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:DepreciationDepletionAndAmortization
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">164000</us-gaap:DepreciationDepletionAndAmortization>
    <us-gaap:LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_800_eus-gaap--LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock_zGXGa019IuPe" style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;b&gt;8. &lt;span id="xdx_821_z55QFduFUwZj"&gt;NOTES RECEIVABLE&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;In connection with the sale of the transformer business
units in August 2019, amongst other consideration, we received two subordinated promissory notes in the aggregate principal amount of
$&lt;span id="xdx_904_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--FirstSellerNoteMember_zpCw6ZOKnXjb" title="Principal amount"&gt;5.0&lt;/span&gt; million and $&lt;span id="xdx_90E_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--SecondSellerNoteMember_zgOanYIVLO41"&gt;2.5&lt;/span&gt; million, for a total aggregate principal amount of $&lt;span id="xdx_90E_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zOHlwL0KBuH1"&gt;7.5&lt;/span&gt; million (the &#x201c;Seller Notes&#x201d;), subject to certain
adjustments. The Seller Notes accrue interest at a rate of &lt;span id="xdx_900_eus-gaap--DebtInstrumentInterestRateStatedPercentage_iI_dp_c20210630__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zvdJ6dqUdYv" title="Interest rate"&gt;4.0&lt;/span&gt;% per annum, with a final payment of all unpaid principal and interest becoming
fully due and payable at &lt;span id="xdx_903_eus-gaap--DebtInstrumentMaturityDate_dd_c20210101__20210630__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zigXbLU1kz39" title="Maturity date"&gt;December 31, 2022&lt;/span&gt;. The Company determined the fair value of the Seller Notes based on market conditions and prevailing
interest rates. During the fourth quarter of 2019, the Company and the Buyer, pursuant to the Stock Purchase Agreement, completed the
net working capital adjustment, which resulted in the Company paying the Buyer $&lt;span id="xdx_904_eus-gaap--RepaymentsOfNotesPayable_pn5n6_c20191001__20191231__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zyfEdtZK7JK5" title="Repayment of notes payable"&gt;1.8 &lt;/span&gt;million in cash and reducing the principal amount
of the $&lt;span id="xdx_900_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--FirstSellerNoteMember_z5ARo8IBRoc2"&gt;5.0&lt;/span&gt; million Seller Note to $&lt;span id="xdx_90A_eus-gaap--NotesReceivableGross_iI_pn5n6_c20191231__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--FirstSellerNoteMember_zcQYJVySzCR3"&gt;3.2&lt;/span&gt; million. During the second quarter of 2020, the Company recognized an additional reduction to
the principal amount of the Seller Note of $&lt;span id="xdx_904_ecustom--ChangeInNoteReceivable_pn3n3_c20210401__20210630__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zqEJtbNQ32l"&gt;194&lt;/span&gt; for a valid claim paid by the Buyer on behalf of the Company. The Company has revalued
the Seller Notes for an appropriate imputed interest rate, resulting in a net change to the value of the Seller Notes at September 30,
2021 of $&lt;span id="xdx_909_eus-gaap--IncreaseDecreaseInNotesReceivables_pn3n3_c20210101__20210930__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zxv7OYAHJRQi" title="Change in value of notes"&gt;321&lt;/span&gt; for a carrying value of $&lt;span id="xdx_904_eus-gaap--NotesReceivableNet_iI_pn5n6_c20210930__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_z60NUzNdsWWb" title="Carrying value"&gt;5.7&lt;/span&gt; million.&lt;/p&gt;

</us-gaap:LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock>
    <us-gaap:NotesReceivableGross
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      decimals="-5"
      unitRef="USD">5000000.0</us-gaap:NotesReceivableGross>
    <us-gaap:NotesReceivableGross
      contextRef="AsOf2019-08-16_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember_custom_SecondSellerNoteMember"
      decimals="-5"
      unitRef="USD">2500000</us-gaap:NotesReceivableGross>
    <us-gaap:NotesReceivableGross
      contextRef="AsOf2019-08-16_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember"
      decimals="-5"
      unitRef="USD">7500000</us-gaap:NotesReceivableGross>
    <us-gaap:DebtInstrumentInterestRateStatedPercentage
      contextRef="AsOf2021-06-30_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember"
      decimals="INF"
      unitRef="Percentage">0.040</us-gaap:DebtInstrumentInterestRateStatedPercentage>
    <us-gaap:DebtInstrumentMaturityDate contextRef="From2021-01-012021-06-30_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember">2022-12-31</us-gaap:DebtInstrumentMaturityDate>
    <us-gaap:RepaymentsOfNotesPayable
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      decimals="-5"
      unitRef="USD">1800000</us-gaap:RepaymentsOfNotesPayable>
    <us-gaap:NotesReceivableGross
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      decimals="-5"
      unitRef="USD">5000000.0</us-gaap:NotesReceivableGross>
    <us-gaap:NotesReceivableGross
      contextRef="AsOf2019-12-31_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember_custom_FirstSellerNoteMember"
      decimals="-5"
      unitRef="USD">3200000</us-gaap:NotesReceivableGross>
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      contextRef="From2021-04-012021-06-30_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember"
      decimals="-3"
      unitRef="USD">194000</ppsi:ChangeInNoteReceivable>
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      contextRef="From2021-01-012021-09-30_custom_TransformerBusinessUnitsMember_us-gaap_SubordinatedDebtMember"
      decimals="-3"
      unitRef="USD">321000</us-gaap:IncreaseDecreaseInNotesReceivables>
    <us-gaap:NotesReceivableNet
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      decimals="-5"
      unitRef="USD">5700000</us-gaap:NotesReceivableNet>
    <us-gaap:DebtDisclosureTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_80E_eus-gaap--DebtDisclosureTextBlock_zJVmHVccs4Rd" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;9.
&lt;span id="xdx_829_zTyuyqAINLC6"&gt;DEBT&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;On
March 27, 2020, then President Trump signed into law the &#x201c;Coronavirus Aid, Relief, and Economic Security (CARES) Act.&#x201d;
The CARES Act, among other things, appropriates funds for the SBA Paycheck Protection Program loans that are forgivable in certain
situations to promote continued employment. On April 13, 2020 after having determined that it met the qualifications for this
loan program due to the impact that COVID-19 would have on our financial condition, results of operations, and/or liquidity and
applying for relief, the Company received a loan under the SBA Paycheck Protection Program in the amount of $&lt;span id="xdx_90A_eus-gaap--DebtInstrumentFaceAmount_iI_pn5n6_c20200413__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_z8TG6Hyfxa2j" title="Loan face value"&gt;1.4&lt;/span&gt; million. The
Company made this assertion in good faith based upon all available guidance and accounted for the PPP Loan as a debt instrument
in accordance with FASB ASC 470, Debt. The Company used the proceeds from the PPP Loan to retain employees, maintain payroll and
make lease, rent and utility payments.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Under
the terms of the PPP Loan, the Company was eligible for full or partial loan forgiveness. The Company received full forgiveness
of the PPP Loan during the first quarter of 2021 and recognized a $&lt;span id="xdx_900_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pn5n6_c20210101__20210331__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zDV7oRx0lPck" title="Gain on extinguishment"&gt;1.4&lt;/span&gt; million gain on extinguishment and forgiveness of debt
in other income (see Note 5 - Other Expense (Income)).&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BF_zgU8VjtxVEl2"&gt;At
December 31, 2020, $&lt;span id="xdx_90B_eus-gaap--LongTermDebtNoncurrent_iI_pn3n3_c20201231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zQbVmjeMsGTi" title="Long-term debt"&gt;633&lt;/span&gt; of principal payments due were recorded as long-term debt and $&lt;span id="xdx_90A_eus-gaap--LongTermDebtCurrent_iI_pn3n3_c20201231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_z2DsccK9JJl1" title="Current debt"&gt;780&lt;/span&gt; as current debt in accordance with
the enactment of the Paycheck Protection Program Flexibility Act of 2020.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_894_eus-gaap--ScheduleOfDebtTableTextBlock_zjXLkyWiSYO2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; display: none"&gt;&lt;span id="xdx_8B5_zGoxOS31HVKa"&gt;Schedule of debt&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_497_20210930_zxSiANmGw08b" style="font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_493_20201231_zZt4x67JylAc" style="font-weight: bold; text-align: center"&gt;December 31,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_406_eus-gaap--LongTermDebt_iTI_mtLTDNzgf5_zIpSOc1jqWFg" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 54%; text-align: left"&gt;PPP Loan&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0692"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;1,413&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_401_eus-gaap--LongTermDebtCurrent_iI_maLTDNzgf5_zdkifzZ88trb" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Less: current portion&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0695"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;780&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_402_eus-gaap--LongTermDebtNoncurrent_iI_maLTDNzgf5_zAG2WF3p9Fwd" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total long-term obligations&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0698"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;633&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&gt;

&lt;p id="xdx_8A3_zeqISt2XRpe7" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:DebtDisclosureTextBlock>
    <us-gaap:DebtInstrumentFaceAmount
      contextRef="AsOf2020-04-13_custom_PaycheckProtectionProgramLoanMember"
      decimals="-5"
      unitRef="USD">1400000</us-gaap:DebtInstrumentFaceAmount>
    <us-gaap:GainsLossesOnExtinguishmentOfDebt
      contextRef="From2021-01-012021-03-31_custom_PaycheckProtectionProgramLoanMember"
      decimals="-5"
      unitRef="USD">1400000</us-gaap:GainsLossesOnExtinguishmentOfDebt>
    <us-gaap:LongTermDebtNoncurrent
      contextRef="AsOf2020-12-31_custom_PaycheckProtectionProgramLoanMember"
      decimals="-3"
      unitRef="USD">633000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:LongTermDebtCurrent
      contextRef="AsOf2020-12-31_custom_PaycheckProtectionProgramLoanMember"
      decimals="-3"
      unitRef="USD">780000</us-gaap:LongTermDebtCurrent>
    <us-gaap:ScheduleOfDebtTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_894_eus-gaap--ScheduleOfDebtTableTextBlock_zjXLkyWiSYO2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&gt;
&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; display: none"&gt;&lt;span id="xdx_8B5_zGoxOS31HVKa"&gt;Schedule of debt&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_497_20210930_zxSiANmGw08b" style="font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_493_20201231_zZt4x67JylAc" style="font-weight: bold; text-align: center"&gt;December 31,&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_406_eus-gaap--LongTermDebt_iTI_mtLTDNzgf5_zIpSOc1jqWFg" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 54%; text-align: left"&gt;PPP Loan&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0692"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;1,413&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_401_eus-gaap--LongTermDebtCurrent_iI_maLTDNzgf5_zdkifzZ88trb" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Less: current portion&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0695"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;780&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_402_eus-gaap--LongTermDebtNoncurrent_iI_maLTDNzgf5_zAG2WF3p9Fwd" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt"&gt;Total long-term obligations&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0698"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;633&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&gt;

</us-gaap:ScheduleOfDebtTableTextBlock>
    <us-gaap:LongTermDebt contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">1413000</us-gaap:LongTermDebt>
    <us-gaap:LongTermDebtCurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">780000</us-gaap:LongTermDebtCurrent>
    <us-gaap:LongTermDebtNoncurrent contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">633000</us-gaap:LongTermDebtNoncurrent>
    <us-gaap:StockholdersEquityNoteDisclosureTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_803_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zFbCrWDIOhnh" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;10.&lt;span id="xdx_826_zwYrgLTmRkNc"&gt;
STOCKHOLDERS&#x2019; EQUITY&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;Common
Stock&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
Company had &lt;span id="xdx_90E_eus-gaap--CommonStockSharesOutstanding_iI_pid_uShares_c20201231_zBH54qxlWex7" title="Common stock, outstanding shares"&gt;8,726,045&lt;/span&gt; shares of common stock, $&lt;span id="xdx_903_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pid_uUSDPShares_c20201231_zKDmjJKB0IP9" title="Common stock, par value (in dollars per share)"&gt;0.001&lt;/span&gt; par value per share, outstanding as of September 30, 2021 and December 31,
2020.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;Stock-Based
Compensation&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89F_eus-gaap--ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_zFujuKxQZlm2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BD_zyXsX27irag3"&gt;A
summary of stock option activity under the 2011 Long-Term Incentive Plan as of September 30, 2021, and changes during the nine
months ended September 30, 2021, are presented below:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"/&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="vertical-align: bottom"&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;Stock&lt;br/&gt; Options&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;Weighted average&lt;br/&gt; exercise price&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;Weighted&lt;br/&gt; average remaining&lt;br/&gt; contractual term&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;Aggregate&lt;br/&gt; intrinsic value&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 20%; text-align: left; padding-left: 0.125in; text-indent: -0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Outstanding as of January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_uShares_c20210101__20210930_zvE0LfrwQf8k" style="width: 12%; text-align: right" title="Outstanding at beginning of period"&gt;440,400&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210101__20210930_z75G0lP831Zh" style="width: 12%; text-align: right" title="Outstanding at beginning of period"&gt;6.58&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;&lt;span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210101__20210930_zHve7emInRpb" title="Outstanding at beginning of period"&gt;5.80&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iS_pn3n3_c20210101__20210930_z0vdc0lFctBc" style="width: 12%; text-align: right" title="Outstanding at beginning of period"&gt;155&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20210930_z2lvMCxILRhi" style="text-align: right" title="Granted"&gt;236,667&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_uUSDPShares_c20210101__20210930_zvZsnzPrBJwa" style="text-align: right" title="Granted"&gt;3.31&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Exercised&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_pid_c20210101__20210930_zTPQwpVEdmQ6" style="text-align: right" title="Exercised"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0721"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_uUSDPShares_c20210101__20210930_zLZOIsCVySDi" style="text-align: right" title="Exercised"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0723"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Forfeited&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_iN_pid_di_c20210101__20210930_zatuIYLx18c4" style="border-bottom: Black 1pt solid; text-align: right" title="Forfeited"&gt;(3,400&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_pid_uUSDPShares_c20210101__20210930_z1O3SDv3tZy" style="border-bottom: Black 1pt solid; text-align: right" title="Forfeited"&gt;12.00&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Outstanding as of September 30, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210101__20210930_z5fQitLWp3V3" style="border-bottom: Black 2.5pt double; text-align: right" title="Outstanding at end of period"&gt;673,667&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210101__20210930_zPWDQcslRX1k" style="border-bottom: Black 2.5pt double; text-align: right" title="Outstanding at end of period"&gt;5.41&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span id="xdx_906_ecustom--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3_dtY_c20210101__20210930_zNx77JuxFHxl" title="Outstanding at end of period"&gt;6.70&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iE_pn3n3_c20210101__20210930_z4mJsXxS8Ky2" style="border-bottom: Black 2.5pt double; text-align: right" title="Outstanding at end of period"&gt;117&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Exercisable as of September 30, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iE_pid_c20210101__20210930_zxv5mMNXtXl1" style="border-bottom: Black 2.5pt double; text-align: right" title="Exercisable at end of period"&gt;437,000&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iE_pid_uUSDPShares_c20210101__20210930_zryuhtR9I5B3" style="border-bottom: Black 2.5pt double; text-align: right" title="Exercisable at end of period"&gt;6.54&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210101__20210930_z38IV2aenKp4" title="Exercisable at end of period"&gt;5.10&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iE_c20210101__20210930_zROK0Uz3hRDg" style="border-bottom: Black 2.5pt double; text-align: right" title="Exercisable at end of period"&gt;115&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"/&gt;

&lt;p id="xdx_8AE_zOfYJaUDNSM4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;As
of September 30, 2021, there were &lt;span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_pid_do_c20210930__us-gaap--PlanNameAxis__custom--LongTermIncentivePlanMember_z1h1CaZFldWb" title="Number of shares available for future grants"&gt;no&lt;/span&gt; shares available for future grants under the Company&#x2019;s 2011 Long-Term Incentive Plan.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Stock-based
compensation expense recorded for the three and nine months ended September 30, 2021 was approximately $&lt;span id="xdx_90A_eus-gaap--ShareBasedCompensation_pn3n3_c20210701__20210930_z9GlizmP7IA" title="Stock-based compensation"&gt;58&lt;/span&gt; and $&lt;span id="xdx_90D_eus-gaap--ShareBasedCompensation_pn3n3_c20210101__20210930_z9jGhXQNpTI5"&gt;129&lt;/span&gt;, respectively,
as compared to an insignificant amount of stock-based compensation expense during the three and nine months ended September 30,
2020. At September 30, 2021, the Company had total stock-based compensation expense remaining to be recognized in the consolidated
statements of operations of approximately $&lt;span id="xdx_907_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_iI_pn3n3_c20210930_zowkUnS0Ef5g" title="Stock-based compensation not yet recognized"&gt;134&lt;/span&gt;.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
Company&#x2019;s 2011 Long-Term Incentive Plan expired during the second quarter of 2021 and there was no plan in effect at September
30, 2021.&lt;/span&gt;&lt;/p&gt;

</us-gaap:StockholdersEquityNoteDisclosureTextBlock>
    <us-gaap:CommonStockSharesOutstanding contextRef="AsOf2020-12-31" decimals="INF" unitRef="Shares">8726045</us-gaap:CommonStockSharesOutstanding>
    <us-gaap:CommonStockParOrStatedValuePerShare
      contextRef="AsOf2020-12-31"
      decimals="INF"
      unitRef="USDPShares">0.001</us-gaap:CommonStockParOrStatedValuePerShare>
    <us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_89F_eus-gaap--ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_zFujuKxQZlm2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BD_zyXsX27irag3"&gt;A
summary of stock option activity under the 2011 Long-Term Incentive Plan as of September 30, 2021, and changes during the nine
months ended September 30, 2021, are presented below:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center"/&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="vertical-align: bottom"&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;Stock&lt;br/&gt; Options&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;Weighted average&lt;br/&gt; exercise price&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;Weighted&lt;br/&gt; average remaining&lt;br/&gt; contractual term&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;Aggregate&lt;br/&gt; intrinsic value&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 20%; text-align: left; padding-left: 0.125in; text-indent: -0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Outstanding as of January 1, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iS_pid_uShares_c20210101__20210930_zvE0LfrwQf8k" style="width: 12%; text-align: right" title="Outstanding at beginning of period"&gt;440,400&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iS_pid_c20210101__20210930_z75G0lP831Zh" style="width: 12%; text-align: right" title="Outstanding at beginning of period"&gt;6.58&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;&lt;span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2_dtY_c20210101__20210930_zHve7emInRpb" title="Outstanding at beginning of period"&gt;5.80&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iS_pn3n3_c20210101__20210930_z0vdc0lFctBc" style="width: 12%; text-align: right" title="Outstanding at beginning of period"&gt;155&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Granted&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_pid_c20210101__20210930_z2lvMCxILRhi" style="text-align: right" title="Granted"&gt;236,667&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_pid_uUSDPShares_c20210101__20210930_zvZsnzPrBJwa" style="text-align: right" title="Granted"&gt;3.31&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Exercised&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_pid_c20210101__20210930_zTPQwpVEdmQ6" style="text-align: right" title="Exercised"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0721"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice_pid_uUSDPShares_c20210101__20210930_zLZOIsCVySDi" style="text-align: right" title="Exercised"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0723"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Forfeited&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod_iN_pid_di_c20210101__20210930_zatuIYLx18c4" style="border-bottom: Black 1pt solid; text-align: right" title="Forfeited"&gt;(3,400&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;)&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice_pid_uUSDPShares_c20210101__20210930_z1O3SDv3tZy" style="border-bottom: Black 1pt solid; text-align: right" title="Forfeited"&gt;12.00&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Outstanding as of September 30, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iE_pid_c20210101__20210930_z5fQitLWp3V3" style="border-bottom: Black 2.5pt double; text-align: right" title="Outstanding at end of period"&gt;673,667&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210101__20210930_zPWDQcslRX1k" style="border-bottom: Black 2.5pt double; text-align: right" title="Outstanding at end of period"&gt;5.41&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span id="xdx_906_ecustom--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3_dtY_c20210101__20210930_zNx77JuxFHxl" title="Outstanding at end of period"&gt;6.70&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iE_pn3n3_c20210101__20210930_z4mJsXxS8Ky2" style="border-bottom: Black 2.5pt double; text-align: right" title="Outstanding at end of period"&gt;117&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Exercisable as of September 30, 2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber_iE_pid_c20210101__20210930_zxv5mMNXtXl1" style="border-bottom: Black 2.5pt double; text-align: right" title="Exercisable at end of period"&gt;437,000&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iE_pid_uUSDPShares_c20210101__20210930_zryuhtR9I5B3" style="border-bottom: Black 2.5pt double; text-align: right" title="Exercisable at end of period"&gt;6.54&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210101__20210930_z38IV2aenKp4" title="Exercisable at end of period"&gt;5.10&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1_iE_c20210101__20210930_zROK0Uz3hRDg" style="border-bottom: Black 2.5pt double; text-align: right" title="Exercisable at end of period"&gt;115&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"/&gt;

</us-gaap:ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber contextRef="AsOf2020-12-31" decimals="INF" unitRef="Shares">440400</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
      contextRef="AsOf2020-12-31"
      decimals="INF"
      unitRef="USDPShares">6.58</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2 contextRef="From2021-01-01to2021-09-30">P5Y9M18D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue contextRef="AsOf2020-12-31" decimals="-3" unitRef="USD">155000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-01-01to2021-09-30"
      decimals="INF"
      unitRef="Shares">236667</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2021-01-01to2021-09-30"
      decimals="INF"
      unitRef="USDPShares">3.31</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod
      contextRef="From2021-01-01to2021-09-30"
      decimals="INF"
      unitRef="Shares">3400</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice
      contextRef="From2021-01-01to2021-09-30"
      decimals="INF"
      unitRef="USDPShares">12.00</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber contextRef="AsOf2021-09-30" decimals="INF" unitRef="Shares">673667</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice
      contextRef="AsOf2021-09-30"
      decimals="INF"
      unitRef="USDPShares">5.41</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice>
    <ppsi:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3 contextRef="From2021-01-01to2021-09-30">P6Y8M12D</ppsi:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">117000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber contextRef="AsOf2021-09-30" decimals="INF" unitRef="Shares">437000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice
      contextRef="AsOf2021-09-30"
      decimals="INF"
      unitRef="USDPShares">6.54</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1 contextRef="From2021-01-01to2021-09-30">P5Y1M6D</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1>
    <us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">115000</us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
      contextRef="AsOf2021-09-30_custom_LongTermIncentivePlanMember"
      decimals="INF"
      unitRef="Shares">0</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant>
    <us-gaap:ShareBasedCompensation
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">58000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">129000</us-gaap:ShareBasedCompensation>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">134000</us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized>
    <us-gaap:EarningsPerShareTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_807_eus-gaap--EarningsPerShareTextBlock_zZ6GRpeJ6D05" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;11.
&lt;span id="xdx_82F_z9ty1pZPNup4"&gt;BASIC AND DILUTED (LOSS) INCOME PER COMMON SHARE&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_895_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_z7thxxAj9Cxh" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Basic
and diluted (loss) income per common share is calculated based on the weighted average number of shares outstanding during the
period. The Company&#x2019;s employee and director stock option awards, as well as incremental shares issuable upon exercise of
warrants, are not considered in the calculations if the effect would be anti-dilutive. &lt;span id="xdx_8B5_z56LDcLhDzo9"&gt;The following table sets forth the computation
of basic and diluted (loss) income per share (in thousands, except per share data):&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_491_20210701__20210930_zLc7EVjjI8P2" style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_49C_20200701__20200930_za5VLxmprlN5" style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_497_20210101__20210930_zUqLFY8iSJje" style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_498_20200101__20200930_zC1oFsW0RyA9" style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;Three Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;Nine Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40B_eus-gaap--NetIncomeLossAbstract_iB_zwqqRns7HTVh" style="vertical-align: bottom"&gt;
    &lt;td&gt;Numerator:&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40B_eus-gaap--NetIncomeLoss_i01_zocsyrPC3qHk" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 20%; text-align: left; text-indent: 10pt"&gt;Net (loss) income&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;(434&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;)&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;1,339&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;(769&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;)&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;(2,242&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-indent: 10pt"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_409_eus-gaap--WeightedAverageNumberOfSharesOutstandingAbstract_iB_zTwZdh0mZz4h" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td&gt;Denominator:&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_407_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_i01_pn3n3_maEPS_zmRH9ZJOlmy5" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-indent: 10pt"&gt;Weighted average basic shares outstanding&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_406_eus-gaap--IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_i01_pn3n3_maEPS_z1PocobPPQ19" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; text-indent: -0.125in; padding-left: 0.25in"&gt;Effect of dilutive securities - equity based compensation plans&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0776"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0777"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0778"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0779"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_402_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_i01T_pn3n3_mtEPS_z29TBHgAx9k5" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: -0.125in; padding-left: 0.25in"&gt;Denominator for diluted net (loss) income per common share&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40F_eus-gaap--EarningsPerShareBasicAndDilutedAbstract_iB_zfUZSwij1p84" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Net (loss) income per common share:&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_406_eus-gaap--EarningsPerShareBasic_i01_pid_zP0QlTu2ScL1" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-indent: 10pt"&gt;Basic&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.05&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;0.15&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.09&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.26&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40C_eus-gaap--EarningsPerShareDiluted_i01_pid_z0S159osoqE4" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-indent: 10pt"&gt;Diluted&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.05&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;0.15&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.09&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.26&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&gt;

&lt;p id="xdx_8AD_zVP6OHSLEfdf" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:EarningsPerShareTextBlock>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_895_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_z7thxxAj9Cxh" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Basic
and diluted (loss) income per common share is calculated based on the weighted average number of shares outstanding during the
period. The Company&#x2019;s employee and director stock option awards, as well as incremental shares issuable upon exercise of
warrants, are not considered in the calculations if the effect would be anti-dilutive. &lt;span id="xdx_8B5_z56LDcLhDzo9"&gt;The following table sets forth the computation
of basic and diluted (loss) income per share (in thousands, except per share data):&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&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="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_491_20210701__20210930_zLc7EVjjI8P2" style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_49C_20200701__20200930_za5VLxmprlN5" style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_497_20210101__20210930_zUqLFY8iSJje" style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_498_20200101__20200930_zC1oFsW0RyA9" style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;Three Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;Nine Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40B_eus-gaap--NetIncomeLossAbstract_iB_zwqqRns7HTVh" style="vertical-align: bottom"&gt;
    &lt;td&gt;Numerator:&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40B_eus-gaap--NetIncomeLoss_i01_zocsyrPC3qHk" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 20%; text-align: left; text-indent: 10pt"&gt;Net (loss) income&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;(434&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;)&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;1,339&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;(769&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;)&lt;/td&gt;&lt;td style="width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;(2,242&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-indent: 10pt"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_409_eus-gaap--WeightedAverageNumberOfSharesOutstandingAbstract_iB_zTwZdh0mZz4h" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td&gt;Denominator:&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_407_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_i01_pn3n3_maEPS_zmRH9ZJOlmy5" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-indent: 10pt"&gt;Weighted average basic shares outstanding&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_406_eus-gaap--IncrementalCommonSharesAttributableToShareBasedPaymentArrangements_i01_pn3n3_maEPS_z1PocobPPQ19" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; text-indent: -0.125in; padding-left: 0.25in"&gt;Effect of dilutive securities - equity based compensation plans&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0776"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0777"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0778"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0779"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_402_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_i01T_pn3n3_mtEPS_z29TBHgAx9k5" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; text-indent: -0.125in; padding-left: 0.25in"&gt;Denominator for diluted net (loss) income per common share&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;8,726&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40F_eus-gaap--EarningsPerShareBasicAndDilutedAbstract_iB_zfUZSwij1p84" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Net (loss) income per common share:&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_406_eus-gaap--EarningsPerShareBasic_i01_pid_zP0QlTu2ScL1" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-indent: 10pt"&gt;Basic&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.05&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;0.15&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.09&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.26&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;tr id="xdx_40C_eus-gaap--EarningsPerShareDiluted_i01_pid_z0S159osoqE4" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-indent: 10pt"&gt;Diluted&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.05&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;0.15&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.09&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;(0.26&lt;/td&gt;&lt;td style="text-align: left"&gt;)&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/&gt;

</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:NetIncomeLoss
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">-434000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="USD">1339000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">-769000</us-gaap:NetIncomeLoss>
    <us-gaap:NetIncomeLoss
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">-2242000</us-gaap:NetIncomeLoss>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="Shares">8726000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="Shares">8726000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="Shares">8726000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="Shares">8726000</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="Shares">8726000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="Shares">8726000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="Shares">8726000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="Shares">8726000</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2021-07-012021-09-30"
      decimals="INF"
      unitRef="USDPShares">-0.05</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2020-07-012020-09-30"
      decimals="INF"
      unitRef="USDPShares">0.15</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2021-01-01to2021-09-30"
      decimals="INF"
      unitRef="USDPShares">-0.09</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2020-01-012020-09-30"
      decimals="INF"
      unitRef="USDPShares">-0.26</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2021-07-012021-09-30"
      decimals="INF"
      unitRef="USDPShares">-0.05</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2020-07-012020-09-30"
      decimals="INF"
      unitRef="USDPShares">0.15</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2021-01-01to2021-09-30"
      decimals="INF"
      unitRef="USDPShares">-0.09</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2020-01-012020-09-30"
      decimals="INF"
      unitRef="USDPShares">-0.26</us-gaap:EarningsPerShareDiluted>
    <us-gaap:SegmentReportingDisclosureTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_80A_eus-gaap--SegmentReportingDisclosureTextBlock_zlbh7Ihk82I9" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;b&gt;12.
&lt;span id="xdx_82C_zYL7xQX4X5z8"&gt;BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION&lt;/span&gt;&lt;/b&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
Company follows ASC 280 - Segment Reporting in determining its reportable segments. The Company considered the way its
management team, most notably its chief operating decision maker, makes operating decisions and assesses performance and
considered which components of the Company&#x2019;s enterprise have discrete financial information available. As the Company
makes decisions using a manufactured products vs. distributed products and services group focus, its analysis resulted in &lt;span id="xdx_909_eus-gaap--NumberOfReportableSegments_dc_uNumber_c20210101__20210930_zEU9MIitHjG7" title="Number of reportable segments"&gt;two&lt;/span&gt;
reportable segments: T&amp;amp;D Solutions and Critical Power. The Critical Power reportable segment is the Company&#x2019;s Titan
Energy Systems, Inc. business unit. The T&amp;amp;D Solutions reportable segment is the Company&#x2019;s Pioneer Custom Electrical
Products Corp. business unit.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;The
T&amp;amp;D Solutions segment is involved in the design, manufacture and distribution of switchgear used primarily by large industrial
and commercial operations to manage their electrical power distribution needs. The Critical Power segment provides new and used
power generation equipment and aftermarket field-services primarily to help customers ensure smooth, uninterrupted power to operations
during times of emergency.&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p id="xdx_89E_eus-gaap--ScheduleOfSegmentReportingInformationBySegmentTextBlock_zZoQWxtrYF16" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8B7_z1z9IbqgvAz9"&gt;The
following tables present information about segment loss and income&lt;/span&gt;:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Three
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Nine
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left; vertical-align: bottom"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Revenues&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;T&amp;amp;D
    Solutions&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 33%; text-align: left; padding-bottom: 1pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Switchgear&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zHJEbhMHu5Za" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,996&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zgWJzLpN1Is1" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;1,507&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zeheSZGozS6g" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7,980&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zmMr9uN2Y4qf" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7,370&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_z24msXZOb6j2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,996&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zUo162nRtyn1" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;1,507&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zNjLogQ1u819" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7,980&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zPsCURrOiIxg" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7,370&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Critical
    Power Solutions&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Equipment&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zmjkNQcntla3" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;694&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zOMH2YBEtp1e" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;411&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zRqslJ3zQq7d" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;1,379&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zV4pUV0rTond" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;891&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Service&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zrsVkV2gm8Sl" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;1,995&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zEHrf1MF6FZ5" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,133&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zMVj03AlVeUh" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;5,454&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zYaiMiNZefj7" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;5,877&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zonFLIwqwQlb" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,689&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zF7ksm5SuRI2" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,544&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zdphg0TJXTw5" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;6,833&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_z6oMbhFnnh3e" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;6,768&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Consolidated&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210701__20210930_zhfal6MW5Us7" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;5,685&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200701__20200930_zTQEGOrbOcj9" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;4,051&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20210101__20210930_zy9G50Lo2YO2" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;14,813&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200101__20200930_zJubckjtl14d" style="border-bottom: Black 2.5pt double; text-align: right" title="Revenues"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;14,138&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Three
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Nine
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Depreciation and amortization&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 33%; text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;T&amp;amp;D
    Solutions&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--DepreciationAndAmortization_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zGIHKeOGtQKg" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--DepreciationAndAmortization_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zifmDnrfyT9j" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zK8dGQTmITC1" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zshBsWQ6drCf" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;95&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Critical
    Power Solutions&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--DepreciationAndAmortization_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zwqcbqVRn5hf" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;76&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--DepreciationAndAmortization_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zSak7vjSEZb6" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;78&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zlmQxxjmJqQe" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;257&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zy2UAwyXwICg" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;240&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; padding-left: 0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Unallocated
    corporate overhead expenses&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z4iguFvU2Ooe" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--DepreciationAndAmortization_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z0QbOfCC8F4d" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;8&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z4SmAtuwscZ" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z7OAoO5X98L6" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Consolidated&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--DepreciationAndAmortization_pn3n3_c20210701__20210930_zvyeMNVaKrb8" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;98&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--DepreciationAndAmortization_pn3n3_c20200701__20200930_z4uZdKjxu611" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;114&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930_zzDlfjf0fZt1" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;329&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930_zFZAVB7NAzY3" style="border-bottom: Black 2.5pt double; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;360&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"/&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"/&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Three
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Nine
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Operating (loss) income&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 33%; text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;T&amp;amp;D
    Solutions&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zKT7PNz1v8zg" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(100&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zV61vONxa7zj" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zRgX3ibq9ylk" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(664&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zJtgTMuV0mah" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(1,353&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Critical
    Power Solutions&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zw4CxMZRtIz2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;160&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zRUrCsK3IcF7" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;37&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zNLDTMj1nzG2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;34&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zW8pvt1x4SP7" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(363&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Unallocated
    corporate overhead expenses&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_zyYAAlLTHria" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(578&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_zErm1LP6yos5" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(538&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_zSMHUE5ap7Ck" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(1,740&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_zGe13i2eB0Gl" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(1,667&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Consolidated&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930_zepiSwVjn2jk" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(518&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930_z8dcVbSOKWU7" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(451&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930_zokyUyUlWnwj" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(2,370&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930_zZsGSdG2K0u8" style="border-bottom: Black 2.5pt double; text-align: right" title="Operating (loss) income"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(3,383&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p id="xdx_8A1_z3zctZ8X3qLa" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_89A_eus-gaap--RevenueFromExternalCustomersByGeographicAreasTableTextBlock_zQboydxKE1l8" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BA_z9CcjmYwNex6"&gt;Revenues
are attributable to countries based on the location of the Company's customers:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"/&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Three
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Nine
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Revenues&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 33%; text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;United
    States&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--Revenues_c20210701__20210930__srt--StatementGeographicalAxis__country--US_z6vLfJkjImjl" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;5,685&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_c20200701__20200930__srt--StatementGeographicalAxis__country--US_zn4CtRc4PRHe" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;4,051&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_c20210101__20210930__srt--StatementGeographicalAxis__country--US_zVKDN1i1KuBg" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;14,813&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--Revenues_c20200101__20200930__srt--StatementGeographicalAxis__country--US_zFjLpn2ngU1i" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;14,138&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p id="xdx_8AD_zvlqbUXQfPq6" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

</us-gaap:SegmentReportingDisclosureTextBlock>
    <us-gaap:NumberOfReportableSegments
      contextRef="From2021-01-01to2021-09-30"
      decimals="INF"
      unitRef="Number">2</us-gaap:NumberOfReportableSegments>
    <us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_89E_eus-gaap--ScheduleOfSegmentReportingInformationBySegmentTextBlock_zZoQWxtrYF16" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8B7_z1z9IbqgvAz9"&gt;The
following tables present information about segment loss and income&lt;/span&gt;:&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Three
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Nine
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left; vertical-align: bottom"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Revenues&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;T&amp;amp;D
    Solutions&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 33%; text-align: left; padding-bottom: 1pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Switchgear&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zHJEbhMHu5Za" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,996&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zgWJzLpN1Is1" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;1,507&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zeheSZGozS6g" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7,980&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zmMr9uN2Y4qf" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7,370&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_z24msXZOb6j2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,996&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zUo162nRtyn1" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;1,507&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zNjLogQ1u819" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7,980&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zPsCURrOiIxg" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7,370&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Critical
    Power Solutions&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Equipment&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zmjkNQcntla3" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;694&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zOMH2YBEtp1e" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;411&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zRqslJ3zQq7d" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;1,379&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zV4pUV0rTond" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;891&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Service&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zrsVkV2gm8Sl" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;1,995&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zEHrf1MF6FZ5" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,133&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zMVj03AlVeUh" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;5,454&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zYaiMiNZefj7" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;5,877&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zonFLIwqwQlb" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,689&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zF7ksm5SuRI2" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2,544&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zdphg0TJXTw5" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;6,833&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_z6oMbhFnnh3e" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;6,768&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Consolidated&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210701__20210930_zhfal6MW5Us7" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;5,685&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200701__20200930_zTQEGOrbOcj9" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;4,051&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_pn3n3_c20210101__20210930_zy9G50Lo2YO2" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;14,813&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200101__20200930_zJubckjtl14d" style="border-bottom: Black 2.5pt double; text-align: right" title="Revenues"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;14,138&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Three
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Nine
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Depreciation and amortization&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 33%; text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;T&amp;amp;D
    Solutions&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--DepreciationAndAmortization_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zGIHKeOGtQKg" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;15&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--DepreciationAndAmortization_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zifmDnrfyT9j" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;28&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zK8dGQTmITC1" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zshBsWQ6drCf" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;95&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Critical
    Power Solutions&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--DepreciationAndAmortization_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zwqcbqVRn5hf" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;76&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--DepreciationAndAmortization_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zSak7vjSEZb6" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;78&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zlmQxxjmJqQe" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;257&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zy2UAwyXwICg" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;240&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; padding-left: 0.125in"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Unallocated
    corporate overhead expenses&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z4iguFvU2Ooe" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;7&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--DepreciationAndAmortization_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z0QbOfCC8F4d" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;8&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z4SmAtuwscZ" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;22&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z7OAoO5X98L6" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;25&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Consolidated&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--DepreciationAndAmortization_pn3n3_c20210701__20210930_zvyeMNVaKrb8" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;98&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--DepreciationAndAmortization_pn3n3_c20200701__20200930_z4uZdKjxu611" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;114&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930_zzDlfjf0fZt1" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;329&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930_zFZAVB7NAzY3" style="border-bottom: Black 2.5pt double; text-align: right" title="Depreciation and amortization"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;360&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"/&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"/&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Three
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Nine
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Operating (loss) income&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 33%; text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;T&amp;amp;D
    Solutions&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zKT7PNz1v8zg" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(100&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zV61vONxa7zj" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;50&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zRgX3ibq9ylk" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(664&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zJtgTMuV0mah" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(1,353&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Critical
    Power Solutions&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zw4CxMZRtIz2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;160&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zRUrCsK3IcF7" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;37&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_985_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zNLDTMj1nzG2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;34&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zW8pvt1x4SP7" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(363&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Unallocated
    corporate overhead expenses&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_983_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_zyYAAlLTHria" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(578&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_zErm1LP6yos5" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(538&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_988_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_zSMHUE5ap7Ck" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(1,740&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_zGe13i2eB0Gl" style="border-bottom: Black 1pt solid; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(1,667&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Consolidated&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930_zepiSwVjn2jk" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(518&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930_z8dcVbSOKWU7" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(451&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930_zokyUyUlWnwj" style="border-bottom: Black 2.5pt double; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(2,370&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930_zZsGSdG2K0u8" style="border-bottom: Black 2.5pt double; text-align: right" title="Operating (loss) income"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;(3,383&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;)&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



</us-gaap:ScheduleOfSegmentReportingInformationBySegmentTextBlock>
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      contextRef="From2021-07-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember_custom_SwitchgearMember"
      decimals="-3"
      unitRef="USD">2996000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2020-07-012020-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember_custom_SwitchgearMember"
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      unitRef="USD">1507000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2021-01-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember_custom_SwitchgearMember"
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      unitRef="USD">7980000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2020-01-012020-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember_custom_SwitchgearMember"
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      unitRef="USD">7370000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2021-07-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember"
      decimals="-3"
      unitRef="USD">2996000</us-gaap:Revenues>
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      contextRef="From2020-07-012020-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember"
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      unitRef="USD">1507000</us-gaap:Revenues>
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      contextRef="From2021-01-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember"
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      unitRef="USD">7980000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2020-01-012020-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember"
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      unitRef="USD">7370000</us-gaap:Revenues>
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      contextRef="From2021-07-012021-09-30_us-gaap_OperatingSegmentsMember_custom_CriticalPowerSolutionsSegmentMember_us-gaap_EquipmentMember"
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      unitRef="USD">694000</us-gaap:Revenues>
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      contextRef="From2020-07-012020-09-30_us-gaap_OperatingSegmentsMember_custom_CriticalPowerSolutionsSegmentMember_us-gaap_EquipmentMember"
      decimals="-3"
      unitRef="USD">411000</us-gaap:Revenues>
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      contextRef="From2021-01-012021-09-30_us-gaap_OperatingSegmentsMember_custom_CriticalPowerSolutionsSegmentMember_us-gaap_EquipmentMember"
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      unitRef="USD">1379000</us-gaap:Revenues>
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      contextRef="From2020-01-012020-09-30_us-gaap_OperatingSegmentsMember_custom_CriticalPowerSolutionsSegmentMember_us-gaap_EquipmentMember"
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      unitRef="USD">891000</us-gaap:Revenues>
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      unitRef="USD">1995000</us-gaap:Revenues>
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      unitRef="USD">2133000</us-gaap:Revenues>
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      unitRef="USD">5454000</us-gaap:Revenues>
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      unitRef="USD">5877000</us-gaap:Revenues>
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      unitRef="USD">2689000</us-gaap:Revenues>
    <us-gaap:Revenues
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      unitRef="USD">2544000</us-gaap:Revenues>
    <us-gaap:Revenues
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      unitRef="USD">6833000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2020-01-012020-09-30_us-gaap_OperatingSegmentsMember_custom_CriticalPowerSolutionsSegmentMember"
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      unitRef="USD">5685000</us-gaap:Revenues>
    <us-gaap:Revenues
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      unitRef="USD">4051000</us-gaap:Revenues>
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      contextRef="From2021-01-01to2021-09-30"
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      unitRef="USD">14813000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">14138000</us-gaap:Revenues>
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      unitRef="USD">15000</us-gaap:DepreciationAndAmortization>
    <us-gaap:DepreciationAndAmortization
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    <us-gaap:DepreciationAndAmortization
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      unitRef="USD">95000</us-gaap:DepreciationAndAmortization>
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      unitRef="USD">76000</us-gaap:DepreciationAndAmortization>
    <us-gaap:DepreciationAndAmortization
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      unitRef="USD">78000</us-gaap:DepreciationAndAmortization>
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      unitRef="USD">257000</us-gaap:DepreciationAndAmortization>
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      decimals="-3"
      unitRef="USD">240000</us-gaap:DepreciationAndAmortization>
    <us-gaap:DepreciationAndAmortization
      contextRef="From2021-07-012021-09-30_us-gaap_CorporateNonSegmentMember"
      decimals="-3"
      unitRef="USD">7000</us-gaap:DepreciationAndAmortization>
    <us-gaap:DepreciationAndAmortization
      contextRef="From2020-07-012020-09-30_us-gaap_CorporateNonSegmentMember"
      decimals="-3"
      unitRef="USD">8000</us-gaap:DepreciationAndAmortization>
    <us-gaap:DepreciationAndAmortization
      contextRef="From2021-01-012021-09-30_us-gaap_CorporateNonSegmentMember"
      decimals="-3"
      unitRef="USD">22000</us-gaap:DepreciationAndAmortization>
    <us-gaap:DepreciationAndAmortization
      contextRef="From2020-01-012020-09-30_us-gaap_CorporateNonSegmentMember"
      decimals="-3"
      unitRef="USD">25000</us-gaap:DepreciationAndAmortization>
    <us-gaap:DepreciationAndAmortization
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">98000</us-gaap:DepreciationAndAmortization>
    <us-gaap:DepreciationAndAmortization
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="USD">114000</us-gaap:DepreciationAndAmortization>
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      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">329000</us-gaap:DepreciationAndAmortization>
    <us-gaap:DepreciationAndAmortization
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">360000</us-gaap:DepreciationAndAmortization>
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      contextRef="From2021-07-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember"
      decimals="-3"
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      contextRef="From2020-07-012020-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember"
      decimals="-3"
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      contextRef="From2021-01-012021-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember"
      decimals="-3"
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      contextRef="From2020-01-012020-09-30_us-gaap_OperatingSegmentsMember_custom_TAndDSolutionsSegmentMember"
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      decimals="-3"
      unitRef="USD">160000</us-gaap:OperatingIncomeLoss>
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      unitRef="USD">-1667000</us-gaap:OperatingIncomeLoss>
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      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">-518000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="USD">-451000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">-2370000</us-gaap:OperatingIncomeLoss>
    <us-gaap:OperatingIncomeLoss
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      decimals="-3"
      unitRef="USD">-3383000</us-gaap:OperatingIncomeLoss>
    <us-gaap:RevenueFromExternalCustomersByGeographicAreasTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_89A_eus-gaap--RevenueFromExternalCustomersByGeographicAreasTableTextBlock_zQboydxKE1l8" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&lt;span id="xdx_8BA_z9CcjmYwNex6"&gt;Revenues
are attributable to countries based on the location of the Company's customers:&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"/&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto"&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-weight: bold; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Three
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Nine
    Months Ended&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;September
    30,&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2021&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;2020&lt;/span&gt;&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-weight: bold"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;Revenues&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td colspan="2" style="text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 33%; text-align: left; padding-left: 9px"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;United
    States&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--Revenues_c20210701__20210930__srt--StatementGeographicalAxis__country--US_z6vLfJkjImjl" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;5,685&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--Revenues_c20200701__20200930__srt--StatementGeographicalAxis__country--US_zn4CtRc4PRHe" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;4,051&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--Revenues_c20210101__20210930__srt--StatementGeographicalAxis__country--US_zVKDN1i1KuBg" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;14,813&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;$&lt;/span&gt;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--Revenues_c20200101__20200930__srt--StatementGeographicalAxis__country--US_zFjLpn2ngU1i" style="width: 10%; text-align: right"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;14,138&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&lt;span style="font: 10pt Times New Roman, Times, Serif"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
&lt;/table&gt;



</us-gaap:RevenueFromExternalCustomersByGeographicAreasTableTextBlock>
    <us-gaap:Revenues
      contextRef="From2021-07-012021-09-30_country_US"
      decimals="-3"
      unitRef="USD">5685000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2020-07-012020-09-30_country_US"
      decimals="-3"
      unitRef="USD">4051000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2021-01-012021-09-30_country_US"
      decimals="-3"
      unitRef="USD">14813000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2020-01-012020-09-30_country_US"
      decimals="-3"
      unitRef="USD">14138000</us-gaap:Revenues>
    <ppsi:LeasesTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_800_ecustom--LeasesTextBlock_zY8hsVsJWSCk" style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;&lt;b&gt;13. &lt;span id="xdx_82F_zy9rM3MKsoO8"&gt;LEASES&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

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

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;The Company leases certain offices, facilities
and equipment under operating and financing leases. Our leases have remaining terms ranging from less than &lt;span id="xdx_904_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dtY_c20210930__srt--RangeAxis__srt--MinimumMember_z6HHYNcBWUDk" title="Lease term"&gt;1&lt;/span&gt;
year to &lt;span id="xdx_90D_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dtY_c20210930__srt--RangeAxis__srt--MaximumMember_zTmLJi8zJwjh"&gt;5&lt;/span&gt;
years some of which contain options to extend up to &lt;span id="xdx_90A_eus-gaap--LesseeOperatingLeaseRenewalTerm_iI_dtY_c20210930__srt--RangeAxis__srt--MaximumMember_zAehS8Wh1U98" title="Lease renewal term"&gt;5&lt;/span&gt;
years. As of September 30, 2021 and 2020, assets recorded under finance leases were $&lt;span id="xdx_902_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pn5n6_c20210930_zGDAFYqRIWxf" title="Finance lease assets"&gt;1.4&lt;/span&gt;
million and $&lt;span id="xdx_903_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pn5n6_c20200930_zlD9BNCUbKK"&gt;1.4&lt;/span&gt;
million, respectively, and accumulated amortization associated with finance leases were $&lt;span id="xdx_90C_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pn3n3_c20210930_z2vGL62mo0T2" title="Finance leases accumulated depreciation"&gt;947&lt;/span&gt;
and $&lt;span id="xdx_909_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pn3n3_c20200930_zrOcU8VE3136"&gt;711&lt;/span&gt;,
respectively. As of September 30, 2021 and 2020, assets recorded under operating leases were $&lt;span id="xdx_900_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn5n6_c20210930_zGXeZXudE3n6" title="Operating lease assets"&gt;3.9&lt;/span&gt;
million and $&lt;span id="xdx_90B_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn5n6_c20200930_z6snaqrYWst6"&gt;2.1&lt;/span&gt; million,
respectively, and accumulated amortization associated with operating leases were $&lt;span id="xdx_903_ecustom--OperatingLeaseRightOfUseAssetAccumulatedAmortization_iI_pn5n6_c20210930_zN37P3i19ygh" title="Operating leases accumulated depreciation"&gt;2.1&lt;/span&gt;
million and $&lt;span id="xdx_908_ecustom--OperatingLeaseRightOfUseAssetAccumulatedAmortization_iI_pn5n6_c20200930_z4KmyyA8HYgk"&gt;1.5&lt;/span&gt;
million, respectively. During the three months ended September 30, 2021, the Company executed an extension of its operating lease for the
manufacturing facility in Santa Fe Springs, California. After adjusting for a weighted average discount rate, the Company recognized a
right-of-use asset and lease liability of approximately $&lt;span id="xdx_909_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_pn5n6_c20210701__20210930_zSSt7tXWlYx2" title="Right-of-use asset and lease liability recognized"&gt;1.4&lt;/span&gt; million within the consolidated balance sheets.&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 id="xdx_89F_eus-gaap--LeaseCostTableTextBlock_zsrh6tVGoZ6d" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;The components of the lease expense were as follows:&lt;/p&gt;

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

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_490_20210701__20210930_zrjZJ6wi6Pm2" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_498_20200701__20200930_zEwJkaDjvO79" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_497_20210101__20210930_z80UYRbZuNLi" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_49A_20200101__20200930_z59oaMTYXauf" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 11pt Calibri, Helvetica, Sans-Serif"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="text-align: center"&gt;Three Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="text-align: center"&gt;Nine Months Ended&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="border-bottom: Black 1pt solid; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="border-bottom: Black 1pt solid; text-align: center"&gt;September 30,&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2020&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--OperatingLeaseCost_zua21G5g55Gk" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 40%; text-align: left; padding-bottom: 2.5pt"&gt;Operating lease cost&lt;/td&gt;&lt;td style="width: 3%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right"&gt;173&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 3%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right"&gt;162&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 3%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right"&gt;456&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 3%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right"&gt;500&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_ecustom--FinanceLeasesCostAbstract_iB_zlt6icrZEamk" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left"&gt;Finance lease cost&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--FinanceLeaseRightOfUseAssetAmortization_i01_zQUXtqUTln41" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;&#160;&#160;&#160;Amortization of right-of-use asset&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;62&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;64&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;219&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;196&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_eus-gaap--FinanceLeaseInterestExpense_i01_zmkYmA5SqCNg" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;&#160;&#160;&#160;Interest on lease liabilities&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;9&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;13&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;30&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;41&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_ecustom--FinanceLeaseCost_i01_zc2wTGlyPV8e" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt"&gt;Total finance lease cost&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;71&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;77&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;249&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;237&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


&lt;p id="xdx_8AC_zsMJnRmpo771" 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"&gt;Other information related to leases was as follows:&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 id="xdx_89D_ecustom--LesseeLeaseCashFlowsTableTextBlock_zuKEuGu8yOAj" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;Supplemental Cash Flows Information&lt;/p&gt;

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

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left"/&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_49E_20210101__20210930_zChBRztTpXzi" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_49A_20200101__20200930_z3W10QoZAohk" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;Cash paid for amounts included in the measurement of lease liabilities&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--OperatingLeasePayments_z7xawaPV65Zi" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 56%; text-align: left"&gt;&#160;&#160;&#160;Operating cash flow payments for operating leases&lt;/td&gt;&lt;td style="width: 8%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;449&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 8%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;508&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--FinanceLeaseInterestPaymentOnLiability_z49MHkr6aGGf" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;&#160;&#160;&#160;Operating cash flow payments for finance leases&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;30&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;41&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--FinanceLeasePrincipalPayments1_zhZKqshXatU8" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left"&gt;&#160;&#160;&#160;Financing cash flow payments for finance leases&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;226&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;177&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Right-of-use assets obtained in exchange for lease obligations&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_z24R1MylS0va" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;Operating lease liabilities arising from obtaining right of use assets&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;1,418&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;463&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_zb3IX5EDMpGi" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;Capitalized lease obligations&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0934"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;64&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


&lt;p id="xdx_8AF_zutLCDXDrzs4" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_896_ecustom--LesseeLeaseTermsTableTextBlock_zdnrSskRBsIl" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;Weighted Average Remaining Lease Term&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; display: none; text-align: justify"&gt;&lt;span id="xdx_8B2_zGbJ1o9O7UHf"&gt;Weighted Average Remaining Lease Term and Weighted Average Discount Rate&lt;/span&gt;&lt;/p&gt;

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

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="border-bottom: Black 1pt solid; text-align: center"&gt;September 30,&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2020&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td&gt;Operating leases&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="vertical-align: middle; text-align: center"&gt;&lt;span id="xdx_90D_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20210930_z4Pp7M4Q5Ys2"&gt;3&lt;/span&gt; years&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="vertical-align: bottom; text-align: center"&gt; &lt;span id="xdx_907_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20200930_zlkbwaJHlC4e"&gt;2&lt;/span&gt; years&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td&gt;Finance leases&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="vertical-align: bottom; text-align: center"&gt;&lt;span id="xdx_900_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20210930_zLW6KF3wKbX3"&gt;2&lt;/span&gt; years&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="vertical-align: bottom; text-align: center"&gt;&lt;span id="xdx_906_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20200930_zQSZmPukDqk6"&gt;2&lt;/span&gt; years&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left; width: 56%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 8%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left; width: 1%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 12%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left; width: 1%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 8%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left; width: 1%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 12%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left; width: 1%"&gt;&lt;span style="font-size: 2pt"&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: 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;Weighted Average Discount Rate&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; width: 85%; border-collapse: collapse; margin-right: auto"&gt;
  &lt;tr style="vertical-align: middle"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="4" style="text-align: center"&gt;September 30,&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: middle"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-top: black 1pt solid; text-align: center"&gt;2021&lt;/td&gt;
    &lt;td colspan="2" style="border-top: black 1pt solid; text-align: center"&gt;2020&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="background-color: #CCEEFF"&gt;
    &lt;td style="vertical-align: middle; width: 74%"&gt;Operating leases&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20210930_zNmYUW9L9Rfl" style="border-top: black 1pt solid; vertical-align: top; text-align: right; width: 10%"&gt;5.50&lt;/td&gt;
    &lt;td style="vertical-align: middle; width: 3%"&gt;%&lt;/td&gt;
    &lt;td id="xdx_980_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20200930_zEPQrvs97YP1" style="border-top: black 1pt solid; vertical-align: top; text-align: right; width: 10%"&gt;5.50&lt;/td&gt;
    &lt;td style="vertical-align: middle; width: 3%"&gt;%&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="background-color: white"&gt;
    &lt;td style="vertical-align: middle"&gt;Finance leases&lt;/td&gt;
    &lt;td id="xdx_984_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20210930_zhax3OsNnOOg" style="vertical-align: top; text-align: right"&gt;6.76&lt;/td&gt;
    &lt;td style="vertical-align: middle"&gt;%&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20200930_zwU2p4sS3xCl" style="vertical-align: top; text-align: right"&gt;6.75&lt;/td&gt;
    &lt;td style="vertical-align: middle"&gt;%&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

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


&lt;p id="xdx_8AD_z6l1Q9FGuqil" 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;&#160;&lt;/p&gt;

&lt;p id="xdx_891_ecustom--LesseeLeaseLiabilityMaturityTableTextBlock_zHc8QTousc0k" style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;Future minimum lease payments under non-cancellable leases as of September
30, 2021 were as follows:&lt;/p&gt;

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

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr&gt;
    &lt;td style="vertical-align: middle"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; text-align: center"&gt;Operating&#160;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; text-align: center"&gt;Finance&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: middle"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center"&gt;Leases&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center"&gt;Leases&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td style="width: 71%"&gt;2021&lt;/td&gt;
    &lt;td style="text-align: right; width: 3%"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maOL_c20210930_zCfRdCv3vPd6" style="text-align: right; width: 11%" title="Operating Leases, 2021"&gt;184&lt;/td&gt;
    &lt;td style="text-align: right; width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right; width: 3%"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maFL_c20210930_zIlJwNG6oi39" style="text-align: right; width: 11%" title="Finance Leases, 2021"&gt;66&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;2022&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_988_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maOL_c20210930_zaJPAm6X5j3j" style="text-align: right" title="Operating Leases, 2022"&gt;684&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maFL_c20210930_zMqX0ia3spxi" style="text-align: right" title="Finance Leases, 2022"&gt;195&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td&gt;2023&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98E_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_maOL_c20210930_zr1nSONRszc7" style="text-align: right" title="Operating Leases, 2023"&gt;610&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_maFL_c20210930_zuWI8jd4EFKe" style="text-align: right" title="Finance Leases, 2023"&gt;257&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;2024&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_maOL_c20210930_zbYMPwEDWESj" style="text-align: right" title="Operating Leases, 2024"&gt;446&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_maFL_c20210930_zgQ4FSymcDed" style="text-align: right" title="Finance Leases, 2024"&gt;21&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td&gt;2025&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_maOL_c20210930_zMsrySLy5rQc" style="text-align: right" title="Operating Leases, 2025"&gt;95&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_986_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_maFL_c20210930_zZ724x6sAH1g" style="text-align: right" title="Finance Leases, 2025"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0967"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;Thereafter&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_maOL_c20210930_zzMdN00He8Y1" style="text-align: right" title="Operating Leases, Thereafter"&gt;24&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_maFL_c20210930_zz7BM1MZKcMc" style="text-align: right" title="Finance Leases, Thereafter"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0971"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td&gt;&#160;&#160;&#160;Total future minimum lease payments&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98C_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iTI_mtOL_c20210930_zJnF4nNF9msj" style="border-top: Black 0.5pt solid; text-align: right" title="Operating Leases, Total future minimum lease payments"&gt;2,043&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_eus-gaap--FinanceLeaseLiabilityPaymentsDue_iTI_mtFL_c20210930_zwSGILCjM5gf" style="border-top: Black 0.5pt solid; text-align: right" title="Finance Leases, Total future minimum lease payments"&gt;539&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;Less imputed interest&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zKzQAfOAXIoj" style="text-align: right" title="Operating Leases, Less imputed interest"&gt;(171)&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zzgn33IZpRpk" style="text-align: right" title="Finance Leases, Less imputed interest"&gt;(40)&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td&gt;&#160;&#160;&#160;Total future minmum lease payments&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--OperatingLeaseLiability_iI_c20210930_zw2iQQFrjBz8" style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right" title="Operating Leases, Total future minmum lease payments"&gt;1,872&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td id="xdx_983_eus-gaap--FinanceLeaseLiability_iI_c20210930_znhX3uaWjvo2" style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right" title="Finance Leases, Total future minmum lease payments"&gt;499&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AA_zfSDlFetRMve" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&#160;&lt;/p&gt;


&lt;p id="xdx_896_ecustom--LeasesOfLesseeReportedDisclosureTableTextBlock_zWfrYShskFd1" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;Reported as of September 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;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr&gt;
    &lt;td style="vertical-align: middle"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_481_eus-gaap--OperatingLeaseLiability_iI_zGG1dmNZRkNj" style="vertical-align: bottom; text-align: center"&gt;Operating&#160;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_483_eus-gaap--FinanceLeaseLiability_iI_ztQvU63RvDc9" style="vertical-align: bottom; text-align: center"&gt;Finance&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: middle"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center"&gt;Leases&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center"&gt;Leases&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_418_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--AccountsPayableAndAccruedLiabilitiesMember_ziRXhvB4BpYf" style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td style="width: 71%"&gt;Accounts payable and accrued liabilities&lt;/td&gt;
    &lt;td style="text-align: right; width: 3%"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td style="text-align: right; width: 11%"&gt;613&lt;/td&gt;
    &lt;td style="text-align: right; width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right; width: 3%"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td style="text-align: right; width: 11%"&gt;194&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_416_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--OtherNoncurrentLiabilitiesMember_zEYkpuF5nE8d" style="vertical-align: bottom"&gt;
    &lt;td&gt;Other long-term liabilities&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;1,259&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;305&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_413_20210930_z06Jds5DWchd" style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td style="padding-left: 9px; text-align: left"&gt;Total&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;1,872&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;499&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p id="xdx_8A9_zHWYYcRgQLQl" 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;&#160;&lt;/p&gt;
</ppsi:LeasesTextBlock>
    <us-gaap:LesseeOperatingLeaseTermOfContract contextRef="AsOf2021-09-30_srt_MinimumMember">P1Y</us-gaap:LesseeOperatingLeaseTermOfContract>
    <us-gaap:LesseeOperatingLeaseTermOfContract contextRef="AsOf2021-09-30_srt_MaximumMember">P5Y</us-gaap:LesseeOperatingLeaseTermOfContract>
    <us-gaap:LesseeOperatingLeaseRenewalTerm contextRef="AsOf2021-09-30_srt_MaximumMember">P5Y</us-gaap:LesseeOperatingLeaseRenewalTerm>
    <us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization contextRef="AsOf2021-09-30" decimals="-5" unitRef="USD">1400000</us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization contextRef="AsOf2020-09-30" decimals="-5" unitRef="USD">1400000</us-gaap:FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">947000</us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization contextRef="AsOf2020-09-30" decimals="-3" unitRef="USD">711000</us-gaap:FinanceLeaseRightOfUseAssetAccumulatedAmortization>
    <us-gaap:OperatingLeaseRightOfUseAsset contextRef="AsOf2021-09-30" decimals="-5" unitRef="USD">3900000</us-gaap:OperatingLeaseRightOfUseAsset>
    <us-gaap:OperatingLeaseRightOfUseAsset contextRef="AsOf2020-09-30" decimals="-5" unitRef="USD">2100000</us-gaap:OperatingLeaseRightOfUseAsset>
    <ppsi:OperatingLeaseRightOfUseAssetAccumulatedAmortization contextRef="AsOf2021-09-30" decimals="-5" unitRef="USD">2100000</ppsi:OperatingLeaseRightOfUseAssetAccumulatedAmortization>
    <ppsi:OperatingLeaseRightOfUseAssetAccumulatedAmortization contextRef="AsOf2020-09-30" decimals="-5" unitRef="USD">1500000</ppsi:OperatingLeaseRightOfUseAssetAccumulatedAmortization>
    <us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="From2021-07-012021-09-30"
      decimals="-5"
      unitRef="USD">1400000</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <us-gaap:LeaseCostTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_89F_eus-gaap--LeaseCostTableTextBlock_zsrh6tVGoZ6d" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;The components of the lease expense were as follows:&lt;/p&gt;

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

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_490_20210701__20210930_zrjZJ6wi6Pm2" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_498_20200701__20200930_zEwJkaDjvO79" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_497_20210101__20210930_z80UYRbZuNLi" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_49A_20200101__20200930_z59oaMTYXauf" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 11pt Calibri, Helvetica, Sans-Serif"&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="text-align: center"&gt;Three Months Ended&lt;/td&gt;&lt;td style="font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="text-align: center"&gt;Nine Months Ended&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="border-bottom: Black 1pt solid; text-align: center"&gt;September 30,&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="border-bottom: Black 1pt solid; text-align: center"&gt;September 30,&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2020&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2020&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--OperatingLeaseCost_zua21G5g55Gk" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 40%; text-align: left; padding-bottom: 2.5pt"&gt;Operating lease cost&lt;/td&gt;&lt;td style="width: 3%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right"&gt;173&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 3%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right"&gt;162&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 3%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right"&gt;456&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 3%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right"&gt;500&lt;/td&gt;&lt;td style="width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_ecustom--FinanceLeasesCostAbstract_iB_zlt6icrZEamk" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left"&gt;Finance lease cost&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--FinanceLeaseRightOfUseAssetAmortization_i01_zQUXtqUTln41" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;&#160;&#160;&#160;Amortization of right-of-use asset&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;62&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;64&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;219&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;$&lt;/td&gt;&lt;td style="text-align: right"&gt;196&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_eus-gaap--FinanceLeaseInterestExpense_i01_zmkYmA5SqCNg" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;&#160;&#160;&#160;Interest on lease liabilities&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;9&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;13&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;30&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; text-align: right"&gt;41&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_400_ecustom--FinanceLeaseCost_i01_zc2wTGlyPV8e" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt"&gt;Total finance lease cost&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;71&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;77&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;249&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;237&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


</us-gaap:LeaseCostTableTextBlock>
    <us-gaap:OperatingLeaseCost
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">173000</us-gaap:OperatingLeaseCost>
    <us-gaap:OperatingLeaseCost
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="USD">162000</us-gaap:OperatingLeaseCost>
    <us-gaap:OperatingLeaseCost
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">456000</us-gaap:OperatingLeaseCost>
    <us-gaap:OperatingLeaseCost
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">500000</us-gaap:OperatingLeaseCost>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">62000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="USD">64000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">219000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseRightOfUseAssetAmortization
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">196000</us-gaap:FinanceLeaseRightOfUseAssetAmortization>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">9000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="USD">13000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">30000</us-gaap:FinanceLeaseInterestExpense>
    <us-gaap:FinanceLeaseInterestExpense
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">41000</us-gaap:FinanceLeaseInterestExpense>
    <ppsi:FinanceLeaseCost
      contextRef="From2021-07-012021-09-30"
      decimals="-3"
      unitRef="USD">71000</ppsi:FinanceLeaseCost>
    <ppsi:FinanceLeaseCost
      contextRef="From2020-07-012020-09-30"
      decimals="-3"
      unitRef="USD">77000</ppsi:FinanceLeaseCost>
    <ppsi:FinanceLeaseCost
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">249000</ppsi:FinanceLeaseCost>
    <ppsi:FinanceLeaseCost
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">237000</ppsi:FinanceLeaseCost>
    <ppsi:LesseeLeaseCashFlowsTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_89D_ecustom--LesseeLeaseCashFlowsTableTextBlock_zuKEuGu8yOAj" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;Supplemental Cash Flows Information&lt;/p&gt;

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

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left"/&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_49E_20210101__20210930_zChBRztTpXzi" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_49A_20200101__20200930_z3W10QoZAohk" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
&lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;September 30,&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"&gt;2020&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;Cash paid for amounts included in the measurement of lease liabilities&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_405_eus-gaap--OperatingLeasePayments_z7xawaPV65Zi" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="width: 56%; text-align: left"&gt;&#160;&#160;&#160;Operating cash flow payments for operating leases&lt;/td&gt;&lt;td style="width: 8%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;449&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 8%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 12%; text-align: right"&gt;508&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40A_eus-gaap--FinanceLeaseInterestPaymentOnLiability_z49MHkr6aGGf" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;&#160;&#160;&#160;Operating cash flow payments for finance leases&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;30&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;41&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_404_ecustom--FinanceLeasePrincipalPayments1_zhZKqshXatU8" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left"&gt;&#160;&#160;&#160;Financing cash flow payments for finance leases&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;226&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;177&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Right-of-use assets obtained in exchange for lease obligations&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_z24R1MylS0va" style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;Operating lease liabilities arising from obtaining right of use assets&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;1,418&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;463&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_zb3IX5EDMpGi" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-left: 9px"&gt;Capitalized lease obligations&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0934"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: right"&gt;64&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;


</ppsi:LesseeLeaseCashFlowsTableTextBlock>
    <us-gaap:OperatingLeasePayments
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">449000</us-gaap:OperatingLeasePayments>
    <us-gaap:OperatingLeasePayments
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">508000</us-gaap:OperatingLeasePayments>
    <us-gaap:FinanceLeaseInterestPaymentOnLiability
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">30000</us-gaap:FinanceLeaseInterestPaymentOnLiability>
    <us-gaap:FinanceLeaseInterestPaymentOnLiability
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">41000</us-gaap:FinanceLeaseInterestPaymentOnLiability>
    <ppsi:FinanceLeasePrincipalPayments1
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">226000</ppsi:FinanceLeasePrincipalPayments1>
    <ppsi:FinanceLeasePrincipalPayments1
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">177000</ppsi:FinanceLeasePrincipalPayments1>
    <us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="From2021-01-01to2021-09-30"
      decimals="-3"
      unitRef="USD">1418000</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">463000</us-gaap:RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability>
    <us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability
      contextRef="From2020-01-012020-09-30"
      decimals="-3"
      unitRef="USD">64000</us-gaap:RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability>
    <ppsi:LesseeLeaseTermsTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_896_ecustom--LesseeLeaseTermsTableTextBlock_zdnrSskRBsIl" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;Weighted Average Remaining Lease Term&lt;/p&gt;

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0; display: none; text-align: justify"&gt;&lt;span id="xdx_8B2_zGbJ1o9O7UHf"&gt;Weighted Average Remaining Lease Term and Weighted Average Discount Rate&lt;/span&gt;&lt;/p&gt;

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

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="7" style="border-bottom: Black 1pt solid; text-align: center"&gt;September 30,&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="border-bottom: Black 1pt solid; text-align: center"&gt;2020&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(204,238,255)"&gt;
    &lt;td&gt;Operating leases&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="vertical-align: middle; text-align: center"&gt;&lt;span id="xdx_90D_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20210930_z4Pp7M4Q5Ys2"&gt;3&lt;/span&gt; years&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="vertical-align: bottom; text-align: center"&gt; &lt;span id="xdx_907_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20200930_zlkbwaJHlC4e"&gt;2&lt;/span&gt; years&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td&gt;Finance leases&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="vertical-align: bottom; text-align: center"&gt;&lt;span id="xdx_900_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20210930_zLW6KF3wKbX3"&gt;2&lt;/span&gt; years&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="3" style="vertical-align: bottom; text-align: center"&gt;&lt;span id="xdx_906_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20200930_zQSZmPukDqk6"&gt;2&lt;/span&gt; years&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="text-align: left; width: 56%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 8%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left; width: 1%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 12%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left; width: 1%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="width: 8%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="text-align: left; width: 1%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: right; width: 12%"&gt;&lt;span style="font-size: 2pt"&gt;&#160;&lt;/span&gt;&lt;/td&gt;&lt;td style="text-align: left; width: 1%"&gt;&lt;span style="font-size: 2pt"&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: 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;Weighted Average Discount Rate&lt;/p&gt;

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; width: 85%; border-collapse: collapse; margin-right: auto"&gt;
  &lt;tr style="vertical-align: middle"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="4" style="text-align: center"&gt;September 30,&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: middle"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-top: black 1pt solid; text-align: center"&gt;2021&lt;/td&gt;
    &lt;td colspan="2" style="border-top: black 1pt solid; text-align: center"&gt;2020&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="background-color: #CCEEFF"&gt;
    &lt;td style="vertical-align: middle; width: 74%"&gt;Operating leases&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20210930_zNmYUW9L9Rfl" style="border-top: black 1pt solid; vertical-align: top; text-align: right; width: 10%"&gt;5.50&lt;/td&gt;
    &lt;td style="vertical-align: middle; width: 3%"&gt;%&lt;/td&gt;
    &lt;td id="xdx_980_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20200930_zEPQrvs97YP1" style="border-top: black 1pt solid; vertical-align: top; text-align: right; width: 10%"&gt;5.50&lt;/td&gt;
    &lt;td style="vertical-align: middle; width: 3%"&gt;%&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="background-color: white"&gt;
    &lt;td style="vertical-align: middle"&gt;Finance leases&lt;/td&gt;
    &lt;td id="xdx_984_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20210930_zhax3OsNnOOg" style="vertical-align: top; text-align: right"&gt;6.76&lt;/td&gt;
    &lt;td style="vertical-align: middle"&gt;%&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20200930_zwU2p4sS3xCl" style="vertical-align: top; text-align: right"&gt;6.75&lt;/td&gt;
    &lt;td style="vertical-align: middle"&gt;%&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

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


</ppsi:LesseeLeaseTermsTableTextBlock>
    <us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1 contextRef="AsOf2021-09-30">P3Y</us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1 contextRef="AsOf2020-09-30">P2Y</us-gaap:OperatingLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1 contextRef="AsOf2021-09-30">P2Y</us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1 contextRef="AsOf2020-09-30">P2Y</us-gaap:FinanceLeaseWeightedAverageRemainingLeaseTerm1>
    <us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
      contextRef="AsOf2021-09-30"
      decimals="INF"
      unitRef="Percentage">0.0550</us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent
      contextRef="AsOf2020-09-30"
      decimals="INF"
      unitRef="Percentage">0.0550</us-gaap:OperatingLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
      contextRef="AsOf2021-09-30"
      decimals="INF"
      unitRef="Percentage">0.0676</us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent>
    <us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent
      contextRef="AsOf2020-09-30"
      decimals="INF"
      unitRef="Percentage">0.0675</us-gaap:FinanceLeaseWeightedAverageDiscountRatePercent>
    <ppsi:LesseeLeaseLiabilityMaturityTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_891_ecustom--LesseeLeaseLiabilityMaturityTableTextBlock_zHc8QTousc0k" style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;Future minimum lease payments under non-cancellable leases as of September
30, 2021 were as follows:&lt;/p&gt;

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

&lt;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr&gt;
    &lt;td style="vertical-align: middle"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; text-align: center"&gt;Operating&#160;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="vertical-align: bottom; text-align: center"&gt;Finance&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: middle"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center"&gt;Leases&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center"&gt;Leases&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td style="width: 71%"&gt;2021&lt;/td&gt;
    &lt;td style="text-align: right; width: 3%"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maOL_c20210930_zCfRdCv3vPd6" style="text-align: right; width: 11%" title="Operating Leases, 2021"&gt;184&lt;/td&gt;
    &lt;td style="text-align: right; width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right; width: 3%"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maFL_c20210930_zIlJwNG6oi39" style="text-align: right; width: 11%" title="Finance Leases, 2021"&gt;66&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;2022&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_988_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maOL_c20210930_zaJPAm6X5j3j" style="text-align: right" title="Operating Leases, 2022"&gt;684&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maFL_c20210930_zMqX0ia3spxi" style="text-align: right" title="Finance Leases, 2022"&gt;195&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td&gt;2023&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98E_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_maOL_c20210930_zr1nSONRszc7" style="text-align: right" title="Operating Leases, 2023"&gt;610&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_maFL_c20210930_zuWI8jd4EFKe" style="text-align: right" title="Finance Leases, 2023"&gt;257&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;2024&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_maOL_c20210930_zbYMPwEDWESj" style="text-align: right" title="Operating Leases, 2024"&gt;446&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_maFL_c20210930_zgQ4FSymcDed" style="text-align: right" title="Finance Leases, 2024"&gt;21&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td&gt;2025&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_maOL_c20210930_zMsrySLy5rQc" style="text-align: right" title="Operating Leases, 2025"&gt;95&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_986_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_maFL_c20210930_zZ724x6sAH1g" style="text-align: right" title="Finance Leases, 2025"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0967"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;Thereafter&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_maOL_c20210930_zzMdN00He8Y1" style="text-align: right" title="Operating Leases, Thereafter"&gt;24&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_maFL_c20210930_zz7BM1MZKcMc" style="text-align: right" title="Finance Leases, Thereafter"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0971"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td&gt;&#160;&#160;&#160;Total future minimum lease payments&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98C_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iTI_mtOL_c20210930_zJnF4nNF9msj" style="border-top: Black 0.5pt solid; text-align: right" title="Operating Leases, Total future minimum lease payments"&gt;2,043&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_eus-gaap--FinanceLeaseLiabilityPaymentsDue_iTI_mtFL_c20210930_zwSGILCjM5gf" style="border-top: Black 0.5pt solid; text-align: right" title="Finance Leases, Total future minimum lease payments"&gt;539&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;Less imputed interest&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zKzQAfOAXIoj" style="text-align: right" title="Operating Leases, Less imputed interest"&gt;(171)&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zzgn33IZpRpk" style="text-align: right" title="Finance Leases, Less imputed interest"&gt;(40)&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td&gt;&#160;&#160;&#160;Total future minmum lease payments&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--OperatingLeaseLiability_iI_c20210930_zw2iQQFrjBz8" style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right" title="Operating Leases, Total future minmum lease payments"&gt;1,872&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td id="xdx_983_eus-gaap--FinanceLeaseLiability_iI_c20210930_znhX3uaWjvo2" style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right" title="Finance Leases, Total future minmum lease payments"&gt;499&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</ppsi:LesseeLeaseLiabilityMaturityTableTextBlock>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">184000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear>
    <us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">66000</us-gaap:FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">684000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">195000</us-gaap:FinanceLeaseLiabilityPaymentsDueNextTwelveMonths>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">610000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearTwo>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">257000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearTwo>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">446000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearThree>
    <us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">21000</us-gaap:FinanceLeaseLiabilityPaymentsDueYearThree>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">95000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueYearFour>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">24000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive>
    <us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">2043000</us-gaap:LesseeOperatingLeaseLiabilityPaymentsDue>
    <us-gaap:FinanceLeaseLiabilityPaymentsDue contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">539000</us-gaap:FinanceLeaseLiabilityPaymentsDue>
    <us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">171000</us-gaap:LesseeOperatingLeaseLiabilityUndiscountedExcessAmount>
    <us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">40000</us-gaap:FinanceLeaseLiabilityUndiscountedExcessAmount>
    <us-gaap:OperatingLeaseLiability contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">1872000</us-gaap:OperatingLeaseLiability>
    <us-gaap:FinanceLeaseLiability contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">499000</us-gaap:FinanceLeaseLiability>
    <ppsi:LeasesOfLesseeReportedDisclosureTableTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_896_ecustom--LeasesOfLesseeReportedDisclosureTableTextBlock_zWfrYShskFd1" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;Reported as of September 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;table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in"&gt;
  &lt;tr&gt;
    &lt;td style="vertical-align: middle"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_481_eus-gaap--OperatingLeaseLiability_iI_zGG1dmNZRkNj" style="vertical-align: bottom; text-align: center"&gt;Operating&#160;&lt;/td&gt;
    &lt;td style="vertical-align: bottom; text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_483_eus-gaap--FinanceLeaseLiability_iI_ztQvU63RvDc9" style="vertical-align: bottom; text-align: center"&gt;Finance&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: middle"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center"&gt;Leases&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; text-align: center"&gt;Leases&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_418_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--AccountsPayableAndAccruedLiabilitiesMember_ziRXhvB4BpYf" style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td style="width: 71%"&gt;Accounts payable and accrued liabilities&lt;/td&gt;
    &lt;td style="text-align: right; width: 3%"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td style="text-align: right; width: 11%"&gt;613&lt;/td&gt;
    &lt;td style="text-align: right; width: 1%"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right; width: 3%"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td style="text-align: right; width: 11%"&gt;194&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_416_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--OtherNoncurrentLiabilitiesMember_zEYkpuF5nE8d" style="vertical-align: bottom"&gt;
    &lt;td&gt;Other long-term liabilities&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;1,259&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: right"&gt;305&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_413_20210930_z06Jds5DWchd" style="vertical-align: bottom; background-color: #CCECFF"&gt;
    &lt;td style="padding-left: 9px; text-align: left"&gt;Total&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;1,872&lt;/td&gt;
    &lt;td style="text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;&#160;$&#160;&lt;/td&gt;
    &lt;td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right"&gt;499&lt;/td&gt;&lt;/tr&gt;
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</ppsi:LeasesOfLesseeReportedDisclosureTableTextBlock>
    <us-gaap:OperatingLeaseLiability
      contextRef="AsOf2021-09-30_us-gaap_AccountsPayableAndAccruedLiabilitiesMember"
      decimals="-3"
      unitRef="USD">613000</us-gaap:OperatingLeaseLiability>
    <us-gaap:FinanceLeaseLiability
      contextRef="AsOf2021-09-30_us-gaap_AccountsPayableAndAccruedLiabilitiesMember"
      decimals="-3"
      unitRef="USD">194000</us-gaap:FinanceLeaseLiability>
    <us-gaap:OperatingLeaseLiability
      contextRef="AsOf2021-09-30_us-gaap_OtherNoncurrentLiabilitiesMember"
      decimals="-3"
      unitRef="USD">1259000</us-gaap:OperatingLeaseLiability>
    <us-gaap:FinanceLeaseLiability
      contextRef="AsOf2021-09-30_us-gaap_OtherNoncurrentLiabilitiesMember"
      decimals="-3"
      unitRef="USD">305000</us-gaap:FinanceLeaseLiability>
    <us-gaap:OperatingLeaseLiability contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">1872000</us-gaap:OperatingLeaseLiability>
    <us-gaap:FinanceLeaseLiability contextRef="AsOf2021-09-30" decimals="-3" unitRef="USD">499000</us-gaap:FinanceLeaseLiability>
    <us-gaap:SubsequentEventsTextBlock contextRef="From2021-01-01to2021-09-30">&lt;p id="xdx_804_eus-gaap--SubsequentEventsTextBlock_zWsusaRXUghh" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"&gt;&lt;b&gt;14. &lt;span id="xdx_82D_z3kk6ZFguUhb"&gt;SUBSEQUENT EVENTS&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

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

&lt;p style="font: 10pt Times New Roman, Times, Serif; margin: 0"&gt;On October 20, 2020, we entered into an At The Market Sale Agreement with
H.C. Wainwright &amp;amp; Co., LLC (&#x201c;Wainwright&#x201d;), pursuant to which we may offer and sell our common shares having an aggregate
price of up to $&lt;span id="xdx_908_ecustom--AggregatePriceMarketSaleAgreement_pn5n6_c20201019__20201020_zBG8WCpqPe8e" title="Aggregate price market sale agreement"&gt;9.0&lt;/span&gt; million from time to time through Wainwright, acting as agent or principal (the &#x201c;ATM Program&#x201d;). Shares
of common stock are offered pursuant to a sales agreement prospectus included in the Company&#x2019;s shelf registration on Form S-3 filed
with the Securities and Exchange Commission on October 20, 2020, which was declared effective on October 27, 2020. On November 8, 2021,
we sold &lt;span id="xdx_905_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pdp0_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_ziwXx77PV5sg" title="Shares issued under ATM Program"&gt;888,500&lt;/span&gt; shares of common stock under the ATM Program, for total gross proceeds of approximately $&lt;span id="xdx_90B_eus-gaap--StockIssuedDuringPeriodValueNewIssues_pn5n6_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_z8fVWqxQlLRh" title="Gross proceeds from ATM Program"&gt;9.0&lt;/span&gt; million, at an average price
of $&lt;span id="xdx_90C_eus-gaap--SharesIssuedPricePerShare_iI_pip0_c20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_z5CvVSKgVaO4" title="Price per share"&gt;10.1288&lt;/span&gt; per share. We incurred approximately $&lt;span id="xdx_903_eus-gaap--PaymentsOfStockIssuanceCosts_pn3n3_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_z2EjhcbyGR4b" title="Costs related to common shares issued"&gt;273&lt;/span&gt; of costs related to the common shares issued (including a placement fee of &lt;span id="xdx_90B_ecustom--PlacementFeePercentage_iI_pip0_dp_c20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zxzQWRpkcnO2" title="Placement fee (percent)"&gt;3.0%&lt;/span&gt;,
or approximately $&lt;span id="xdx_90D_ecustom--PlacementFeeExpense_pn3n3_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zcItKtzUFYh3" title="Placement fee"&gt;270&lt;/span&gt;, to Wainwright), resulting in net proceeds of approximately $&lt;span id="xdx_90D_eus-gaap--ProceedsFromIssuanceOfCommonStock_pn5n6_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zEw2VEiB0Vc5" title="Net proceeds from stock issued under ATM Program"&gt;8.7&lt;/span&gt; million.&lt;/p&gt;

</us-gaap:SubsequentEventsTextBlock>
    <ppsi:AggregatePriceMarketSaleAgreement
      contextRef="From2020-10-192020-10-20"
      decimals="-5"
      unitRef="USD">9000000.0</ppsi:AggregatePriceMarketSaleAgreement>
    <us-gaap:StockIssuedDuringPeriodSharesNewIssues
      contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember"
      decimals="INF"
      unitRef="Shares">888500</us-gaap:StockIssuedDuringPeriodSharesNewIssues>
    <us-gaap:StockIssuedDuringPeriodValueNewIssues
      contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember"
      decimals="-5"
      unitRef="USD">9000000.0</us-gaap:StockIssuedDuringPeriodValueNewIssues>
    <us-gaap:SharesIssuedPricePerShare
      contextRef="AsOf2021-11-08_us-gaap_SubsequentEventMember"
      decimals="INF"
      unitRef="USDPShares">10.1288</us-gaap:SharesIssuedPricePerShare>
    <us-gaap:PaymentsOfStockIssuanceCosts
      contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember"
      decimals="-3"
      unitRef="USD">273000</us-gaap:PaymentsOfStockIssuanceCosts>
    <ppsi:PlacementFeePercentage
      contextRef="AsOf2021-11-08_us-gaap_SubsequentEventMember"
      decimals="INF"
      unitRef="Percentage">0.030</ppsi:PlacementFeePercentage>
    <ppsi:PlacementFeeExpense
      contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember"
      decimals="-3"
      unitRef="USD">270000</ppsi:PlacementFeeExpense>
    <us-gaap:ProceedsFromIssuanceOfCommonStock
      contextRef="From2021-11-072021-11-08_us-gaap_SubsequentEventMember"
      decimals="-5"
      unitRef="USD">8700000</us-gaap:ProceedsFromIssuanceOfCommonStock>
</xbrl>
</XML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>12
<FILENAME>R1.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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282682286040">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Cover - shares<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Nov. 15, 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_dei_CoverAbstract', window );"><strong>Cover [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_dei_DocumentType', window );">Document Type</a></td>
<td class="text">10-Q<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_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<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_dei_DocumentQuarterlyReport', window );">Document Quarterly Report</a></td>
<td class="text">true<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_dei_DocumentTransitionReport', window );">Document Transition Report</a></td>
<td class="text">false<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_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Sep. 30,  2021<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_dei_DocumentFiscalPeriodFocus', window );">Document Fiscal Period Focus</a></td>
<td class="text">Q3<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_dei_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2021<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_dei_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--12-31<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_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">001-35212<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_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">PIONEER
POWER SOLUTIONS, INC.<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_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0001449792<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_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">27-1347616<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_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">DE<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_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">400
Kelby Street<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_dei_EntityAddressAddressLine2', window );">Entity Address, Address Line Two</a></td>
<td class="text">12th Floor<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_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Fort
Lee<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_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">NJ<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_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">07024<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_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">(212)<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_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">867-0700<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_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common
    Stock<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_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">PPSI<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_dei_SecurityExchangeName', window );">Security Exchange Name</a></td>
<td class="text">NASDAQ<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_dei_EntityCurrentReportingStatus', window );">Entity Current Reporting Status</a></td>
<td class="text">Yes<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_dei_EntityInteractiveDataCurrent', window );">Entity Interactive Data Current</a></td>
<td class="text">Yes<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_dei_EntityFilerCategory', window );">Entity Filer Category</a></td>
<td class="text">Non-accelerated Filer<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_dei_EntitySmallBusiness', window );">Entity Small Business</a></td>
<td class="text">true<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_dei_EntityEmergingGrowthCompany', window );">Entity Emerging Growth Company</a></td>
<td class="text">false<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_dei_EntityShellCompany', window );">Entity Shell Company</a></td>
<td class="text">false<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_dei_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,726,045<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>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>dei_</td>
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<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_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_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_DocumentQuarterlyReport">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 quarterly 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-Q<br> -Number 240<br> -Section 308<br> -Subsection a<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ 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_DocumentQuarterlyReport</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_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_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 Regulation 12B<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 Regulation 12B<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 Regulation 12B<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_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 Regulation 12B<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 Regulation 12B<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 Regulation 12B<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 Regulation 12B<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_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>
</table></div>
</div></td></tr>
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<head>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679478184">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Operations (Unaudited) - USD ($)<br> shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<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_Revenues', window );">Revenues</a></td>
<td class="nump">$ 5,685<span></span>
</td>
<td class="nump">$ 4,051<span></span>
</td>
<td class="nump">$ 14,813<span></span>
</td>
<td class="nump">$ 14,138<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_CostOfGoodsAndServicesSoldAbstract', window );"><strong>Cost of goods sold</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_ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown', window );">Cost of goods sold</a></td>
<td class="nump">4,972<span></span>
</td>
<td class="nump">3,312<span></span>
</td>
<td class="nump">13,445<span></span>
</td>
<td class="nump">12,974<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_InventoryWriteDown', window );">Write down of inventory</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">546<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CostOfGoodsAndServicesSold', window );">Total cost of goods sold</a></td>
<td class="nump">4,972<span></span>
</td>
<td class="nump">3,312<span></span>
</td>
<td class="nump">13,445<span></span>
</td>
<td class="nump">13,520<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " 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">713<span></span>
</td>
<td class="nump">739<span></span>
</td>
<td class="nump">1,368<span></span>
</td>
<td class="nump">618<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_OperatingExpensesAbstract', window );"><strong>Operating expenses</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 " 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</a></td>
<td class="nump">1,231<span></span>
</td>
<td class="nump">1,190<span></span>
</td>
<td class="nump">3,738<span></span>
</td>
<td class="nump">4,001<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingExpenses', window );">Total operating expenses</a></td>
<td class="nump">1,231<span></span>
</td>
<td class="nump">1,190<span></span>
</td>
<td class="nump">3,738<span></span>
</td>
<td class="nump">4,001<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Loss from continuing operations</a></td>
<td class="num">(518)<span></span>
</td>
<td class="num">(451)<span></span>
</td>
<td class="num">(2,370)<span></span>
</td>
<td class="num">(3,383)<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_InterestIncomeExpenseNet', window );">Interest income</a></td>
<td class="num">(99)<span></span>
</td>
<td class="num">(55)<span></span>
</td>
<td class="num">(288)<span></span>
</td>
<td class="num">(242)<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_OtherNonoperatingIncomeExpense', window );">Other expense (income)</a></td>
<td class="nump">13<span></span>
</td>
<td class="num">(1,735)<span></span>
</td>
<td class="num">(1,294)<span></span>
</td>
<td class="num">(904)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " 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 before taxes</a></td>
<td class="num">(432)<span></span>
</td>
<td class="nump">1,339<span></span>
</td>
<td class="num">(788)<span></span>
</td>
<td class="num">(2,237)<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_IncomeTaxExpenseBenefit', window );">Income tax expense (benefit)</a></td>
<td class="nump">2<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="num">(19)<span></span>
</td>
<td class="nump">5<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net (loss) income</a></td>
<td class="num">$ (434)<span></span>
</td>
<td class="nump">$ 1,339<span></span>
</td>
<td class="num">$ (769)<span></span>
</td>
<td class="num">$ (2,242)<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_EarningsPerShareBasicAndDilutedAbstract', window );"><strong>(Loss) income per share:</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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Basic</a></td>
<td class="num">$ (0.05)<span></span>
</td>
<td class="nump">$ 0.15<span></span>
</td>
<td class="num">$ (0.09)<span></span>
</td>
<td class="num">$ (0.26)<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_EarningsPerShareDiluted', window );">Diluted</a></td>
<td class="num">$ (0.05)<span></span>
</td>
<td class="nump">$ 0.15<span></span>
</td>
<td class="num">$ (0.09)<span></span>
</td>
<td class="num">$ (0.26)<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_WeightedAverageNumberOfSharesOutstandingAbstract', window );"><strong>Weighted average common shares outstanding:</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 " 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">8,726<span></span>
</td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<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_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Diluted</a></td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Cost of product sold and service rendered, excluding inventory write-down.</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;">ppsi_CostOfGoodsAndServiceExcludingInventoryWriteDown</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_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_CostOfGoodsAndServicesSoldAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_CostOfGoodsAndServicesSoldAbstract</td>
</tr>
<tr>
<td style="padding-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>
<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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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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_EarningsPerShareBasicAndDilutedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_EarningsPerShareBasicAndDilutedAbstract</td>
</tr>
<tr>
<td style="padding-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>
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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_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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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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_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_InterestIncomeExpenseNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 amount of operating interest income (expense).</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 210.9-04.10)<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_InterestIncomeExpenseNet</td>
</tr>
<tr>
<td style="padding-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_InventoryWriteDown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 loss from reductions in inventory due to subsequent measurement adjustments, including, but not limited to, physical deterioration, obsolescence, or changes in price levels.</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 2<br> -URI http://asc.fasb.org/extlink&amp;oid=116847112&amp;loc=d3e4542-108314<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryWriteDown</td>
</tr>
<tr>
<td style="padding-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_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>
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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_OperatingExpenses">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Generally recurring costs associated with normal operations except for the portion of these expenses which can be clearly related to production and included in cost of sales or services. Includes selling, general and administrative expense.</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_OperatingExpenses</td>
</tr>
<tr>
<td style="padding-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_OperatingExpensesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_OperatingExpensesAbstract</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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_OperatingIncomeLoss">
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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 net result for the period of deducting operating expenses from operating revenues.</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 32<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8933-108599<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 (f)<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 22<br> -URI http://asc.fasb.org/extlink&amp;oid=123359005&amp;loc=d3e8736-108599<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_OperatingIncomeLoss</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_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>
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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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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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>
</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>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_WeightedAverageNumberOfSharesOutstandingAbstract</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>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_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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282680089752">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Comprehensive Loss (Unaudited) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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>
<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_NetIncomeLoss', window );">Net (loss) income</a></td>
<td class="num">$ (434)<span></span>
</td>
<td class="nump">$ 1,339<span></span>
</td>
<td class="num">$ (769)<span></span>
</td>
<td class="num">$ (2,242)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ComprehensiveIncomeNetOfTax', window );">&#160;&#160;Comprehensive (loss) income</a></td>
<td class="num">$ (434)<span></span>
</td>
<td class="nump">$ 1,339<span></span>
</td>
<td class="num">$ (769)<span></span>
</td>
<td class="num">$ (2,242)<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_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>
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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 );">- 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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_NetIncomeLoss">
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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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282680004520">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets (Unaudited) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
</tr>
<tr class="re">
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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="nump">$ 3,372<span></span>
</td>
<td class="nump">$ 7,567<span></span>
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<tr class="re">
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<td class="nump">1,775<span></span>
</td>
<td class="text"> <span></span>
</td>
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<tr class="ro">
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<td class="nump">3,304<span></span>
</td>
<td class="nump">2,587<span></span>
</td>
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<tr class="re">
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<td class="text"> <span></span>
</td>
<td class="nump">95<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_InventoryNet', window );">Inventories, net</a></td>
<td class="nump">3,500<span></span>
</td>
<td class="nump">2,403<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_IncomeTaxesReceivable', window );">Income taxes receivable</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">407<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_PrepaidExpenseAndOtherAssetsCurrent', window );">Prepaid expenses and other current assets</a></td>
<td class="nump">646<span></span>
</td>
<td class="nump">897<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " 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="nump">12,597<span></span>
</td>
<td class="nump">13,956<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_PropertyPlantAndEquipmentNet', window );">Property, plant and equipment, net</a></td>
<td class="nump">478<span></span>
</td>
<td class="nump">433<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_RightOfUseAsset', window );">Right-of-use assets</a></td>
<td class="nump">2,283<span></span>
</td>
<td class="nump">1,504<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_NotesAndLoansReceivableGrossNoncurrent', window );">Notes receivable</a></td>
<td class="nump">5,671<span></span>
</td>
<td class="nump">5,350<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_OtherAssets', window );">Other assets</a></td>
<td class="nump">22<span></span>
</td>
<td class="nump">44<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " 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="nump">21,051<span></span>
</td>
<td class="nump">21,287<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_LiabilitiesCurrentAbstract', window );"><strong>Current liabilities</strong></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_AccountsPayableAndAccruedLiabilitiesCurrent', window );">Accounts payable and accrued liabilities</a></td>
<td class="nump">4,673<span></span>
</td>
<td class="nump">4,027<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_ContractWithCustomerLiabilityCurrent', window );">Deferred revenue</a></td>
<td class="nump">2,263<span></span>
</td>
<td class="nump">714<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_LongTermDebtCurrent', window );">Current maturities of long-term debt</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">780<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_AccruedIncomeTaxesCurrent', window );">Income taxes payable</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">17<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " 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="nump">6,936<span></span>
</td>
<td class="nump">5,538<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_LongTermDebtNoncurrent', window );">Long-term debt</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">633<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_OtherLiabilitiesNoncurrent', window );">Other long-term liabilities</a></td>
<td class="nump">1,943<span></span>
</td>
<td class="nump">1,257<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " 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="nump">8,879<span></span>
</td>
<td class="nump">7,428<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_StockholdersEquityAbstract', window );"><strong>Stockholders&#8217; equity</strong></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_PreferredStockValue', window );">Preferred stock, $0.001 par value, 5,000,000 shares authorized; none issued</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <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_CommonStockValue', window );">Common stock, $0.001 par value, 30,000,000 shares authorized; 8,726,045 shares issued and outstanding on September 30, 2021 and December 31, 2020</a></td>
<td class="nump">9<span></span>
</td>
<td class="nump">9<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapital', window );">Additional paid-in capital</a></td>
<td class="nump">23,063<span></span>
</td>
<td class="nump">23,981<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossNetOfTax', window );">Accumulated other comprehensive income</a></td>
<td class="nump">14<span></span>
</td>
<td class="nump">14<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Accumulated deficit</a></td>
<td class="num">(10,914)<span></span>
</td>
<td class="num">(10,145)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total stockholders&#8217; equity</a></td>
<td class="nump">12,172<span></span>
</td>
<td class="nump">13,859<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LiabilitiesAndStockholdersEquity', window );">Total liabilities and stockholders&#8217; equity</a></td>
<td class="nump">$ 21,051<span></span>
</td>
<td class="nump">$ 21,287<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_RightOfUseAsset">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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;">ppsi_RightOfUseAsset</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_AccountsPayableAndAccruedLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 values as of the balance sheet date of obligations incurred through that date and due within one year (or the operating cycle, if longer), including liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received, taxes, interest, rent and utilities, accrued salaries and bonuses, payroll taxes and fringe benefits.</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_AccountsPayableAndAccruedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-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_AccruedIncomeTaxesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 the unpaid sum of the known and estimated amounts payable to satisfy all currently due domestic and foreign income tax 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 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(15)(b)(1))<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 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(15)(1))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<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_AccruedIncomeTaxesCurrent</td>
</tr>
<tr>
<td style="padding-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_AccumulatedOtherComprehensiveIncomeLossNetOfTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 change in equity from transactions and other events and circumstances from non-owner sources, net of tax effect, at period end. Excludes Net Income (Loss), and accumulated changes in equity from transactions resulting from investments by owners and distributions to owners. Includes foreign currency translation items, certain pension adjustments, unrealized gains and losses on certain investments in debt and equity securities, other than temporary impairment (OTTI) losses related to factors other than credit losses on available-for-sale and held-to-maturity debt securities that an entity does not intend to sell and it is not more likely than not that the entity will be required to sell before recovery of the amortized cost basis, as well as changes in the fair value of derivatives related to the effective portion of a designated cash flow hedge.</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(30)(a)(4))<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 220<br> -SubTopic 10<br> -Section 45<br> -Paragraph 11<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e637-108580<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(23)(a)(3))<br> -URI http://asc.fasb.org/extlink&amp;oid=120400017&amp;loc=d3e572229-122910<br><br>Reference 4: 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 14A<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=SL7669686-108580<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://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)(ii)<br> -URI http://asc.fasb.org/extlink&amp;oid=124501264&amp;loc=SL117420844-207641<br><br>Reference 7: 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 14<br> -URI http://asc.fasb.org/extlink&amp;oid=124509347&amp;loc=d3e681-108580<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_AccumulatedOtherComprehensiveIncomeLossNetOfTax</td>
</tr>
<tr>
<td style="padding-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_AdditionalPaidInCapital">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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>
</tr>
<tr>
<td style="padding-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_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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-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 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)(iii)(A))<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 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 13: 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 14: http://www.xbrl.org/2009/role/commonPracticeRef<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)(iii))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 15: 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 16: 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)(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 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 18: 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 19: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (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_AssetsCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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>
<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 3<br> -URI http://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6801-107765<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://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 4: 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-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 14: 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 15: http://www.xbrl.org/2009/role/commonPracticeRef<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)(ii))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<br><br>Reference 16: 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 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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>
</tr>
<tr>
<td style="padding-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_AssetsCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_AssetsCurrentAbstract</td>
</tr>
<tr>
<td style="padding-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_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_CommonStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CommonStockValue</td>
</tr>
<tr>
<td style="padding-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_ContractWithCustomerLiabilityCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 obligation to transfer good or 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 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123360276&amp;loc=SL49130531-203044<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123360276&amp;loc=SL49130532-203044<br><br>Reference 3: 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 (a)<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_ContractWithCustomerLiabilityCurrent</td>
</tr>
<tr>
<td style="padding-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_IncomeTaxesReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 due within one year of the balance sheet date (or one operating cycle, if longer) from tax authorities as of the balance sheet date representing refunds of overpayments or recoveries based on agreed-upon resolutions of disputes.</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 210.7-03.5(c))<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 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03.10)<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<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 210.5-02.3(a)(4))<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_IncomeTaxesReceivable</td>
</tr>
<tr>
<td style="padding-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_InsuranceSettlementsReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 due in settlement of a claim for reimbursement from an insurance company when the Company has suffered a loss covered under an 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;">us-gaap_InsuranceSettlementsReceivable</td>
</tr>
<tr>
<td style="padding-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_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_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_LiabilitiesAndStockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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>
<td style="white-space:nowrap;">us-gaap_LiabilitiesAndStockholdersEquity</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_LiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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>
<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/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/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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-Subparagraph (f)<br> -URI http://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br><br>Reference 20: 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 210.5-02.21)<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_LiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-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_LiabilitiesCurrentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_LiabilitiesCurrentAbstract</td>
</tr>
<tr>
<td style="padding-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_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_NotesAndLoansReceivableGrossNoncurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 allowance for credit loss, of financing receivable, 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/2009/role/commonPracticeRef<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><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 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_NotesAndLoansReceivableGrossNoncurrent</td>
</tr>
<tr>
<td style="padding-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_OtherAssets">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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><br>Reference 2: 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(10))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<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)(10))<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_OtherAssets</td>
</tr>
<tr>
<td style="padding-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>
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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>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>
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<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>
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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 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>
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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>
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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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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 restricted as to withdrawal or usage, classified as current. 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 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 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 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3044-108585<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://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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RestrictedCashAndCashEquivalentsAtCarryingValue</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: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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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</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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<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>
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<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>
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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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679577208">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Balance Sheets (Unaudited) (Parenthetical) - $ / shares<br></strong></div></th>
<th class="th"><div>Sep. 30, 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>
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<td class="text">&#160;<span></span>
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<td class="nump">$ 0.001<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_PreferredStockSharesAuthorized', window );">Preferred stock, authorized</a></td>
<td class="nump">5,000,000<span></span>
</td>
<td class="nump">5,000,000<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_PreferredStockSharesIssued', window );">Preferred stock, issued</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<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_CommonStockParOrStatedValuePerShare', window );">Common stock, par value (in dollars per share)</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 " 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, 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 " 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, issued</a></td>
<td class="nump">8,726,045<span></span>
</td>
<td class="nump">8,726,045<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_CommonStockSharesOutstanding', window );">Common stock, outstanding</a></td>
<td class="nump">8,726,045<span></span>
</td>
<td class="nump">8,726,045<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_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_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>
</div>
</body>
</html>
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<head>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679919496">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Consolidated Statements of Cash Flows (Unaudited) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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>Operating activities</strong></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_NetIncomeLoss', window );">Net loss</a></td>
<td class="num">$ (769)<span></span>
</td>
<td class="num">$ (2,242)<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_Depreciation', window );">Depreciation</a></td>
<td class="nump">110<span></span>
</td>
<td class="nump">164<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_RightOfUseAssetAmortization', window );">Amortization of right-of-use assets</a></td>
<td class="nump">219<span></span>
</td>
<td class="nump">196<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_AmortizationOfImputedInterest', window );">Amortization of imputed interest</a></td>
<td class="num">(321)<span></span>
</td>
<td class="num">(341)<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_InterestExpenseDebt', window );">Interest expense from PPP Loan</a></td>
<td class="nump">4<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_ppsi_NonCashCostOfOperatingLeases', window );">Non-cash cost of operating leases</a></td>
<td class="nump">421<span></span>
</td>
<td class="nump">320<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_ProvisionForDoubtfulAccounts', window );">Change in receivable reserves</a></td>
<td class="nump">68<span></span>
</td>
<td class="num">(61)<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_InventoryLIFOReserveEffectOnIncomeNet', window );">Change in inventory reserves</a></td>
<td class="nump">61<span></span>
</td>
<td class="nump">258<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_ChangeInLongTermPayables', window );">Change in long term payables</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(102)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_ProceedsFromInsuranceReceivable', window );">Proceeds from insurance receivable</a></td>
<td class="nump">95<span></span>
</td>
<td class="nump">1,767<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_UnrealizedGainLossOnInvestments', window );">Loss on investments</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(968)<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_ShareBasedCompensation', window );">Stock-based compensation</a></td>
<td class="nump">129<span></span>
</td>
<td class="nump">3<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_PayrollTaxDeferral', window );">Payroll tax deferral</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">139<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_IncreaseDecreaseInOperatingCapitalAbstract', window );"><strong>Changes in current operating assets and liabilities:</strong></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_IncreaseDecreaseInAccountsReceivable', window );">Accounts receivable</a></td>
<td class="num">(758)<span></span>
</td>
<td class="nump">1,412<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_IncreaseDecreaseInInventories', window );">Inventories</a></td>
<td class="num">(1,158)<span></span>
</td>
<td class="nump">313<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_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets', window );">Prepaid expenses and other assets</a></td>
<td class="nump">247<span></span>
</td>
<td class="nump">48<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_IncreaseDecreaseInAccruedIncomeTaxesPayable', window );">Income taxes</a></td>
<td class="nump">401<span></span>
</td>
<td class="num">(512)<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_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities', window );">Accounts payable and accrued liabilities</a></td>
<td class="nump">541<span></span>
</td>
<td class="num">(2,599)<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_IncreaseDecreaseInDeferredRevenue', window );">Deferred revenue</a></td>
<td class="nump">1,549<span></span>
</td>
<td class="nump">871<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">Net cash provided by/ (used in) operating activities</a></td>
<td class="nump">839<span></span>
</td>
<td class="num">(1,328)<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_NetCashProvidedByUsedInInvestingActivitiesAbstract', window );"><strong>Investing activities</strong></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_PaymentsToAcquirePropertyPlantAndEquipment', window );">Additions to property, plant and equipment</a></td>
<td class="num">(156)<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_ProceedsFromSaleOfInvestmentProjects', window );">Proceeds from sale of investments</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">2,436<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_ChangeInNoteReceivable', window );">Change in notes receivable</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">194<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">Net cash (used in) / provided by investing activities</a></td>
<td class="num">(156)<span></span>
</td>
<td class="nump">2,630<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_NetCashProvidedByUsedInFinancingActivitiesAbstract', window );"><strong>Financing activities</strong></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_ProceedsFromRepaymentsOfBankOverdrafts', window );">Bank overdrafts</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(374)<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_ProceedsFromIssuanceOfOtherLongTermDebt', window );">Funding from PPP Loan</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">1,404<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_ppsi_PaymentOfDeferredPurchasePrice', window );">Payment of deferred purchase price</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(397)<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_PaymentsOfDividends', window );">Dividend paid to shareholders</a></td>
<td class="num">(1,047)<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_ProceedsFromRepaymentsOfOtherLongTermDebt', window );">Gain on forgiveness of PPP Loan</a></td>
<td class="num">(1,417)<span></span>
</td>
<td class="text"> <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_FinanceLeasePrincipalPayments', window );">Principal repayments of financing leases</a></td>
<td class="num">(639)<span></span>
</td>
<td class="num">(517)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">Net cash (used in) / provided by financing activities</a></td>
<td class="num">(3,103)<span></span>
</td>
<td class="nump">116<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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect', window );">(Decrease) / increase in cash and restricted cash</a></td>
<td class="num">(2,420)<span></span>
</td>
<td class="nump">1,418<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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">Cash, and restricted cash, beginning of year</a></td>
<td class="nump">7,567<span></span>
</td>
<td class="nump">8,213<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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">Cash, and restricted cash, end of period</a></td>
<td class="nump">5,147<span></span>
</td>
<td class="nump">9,631<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_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract', window );"><strong>Non-cash investing and financing activities:</strong></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_FairValueOfAssetsAcquired', window );">Acquisition of right-of-use assets</a></td>
<td class="nump">$ 1,418<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_ppsi_AmortizationOfImputedInterest">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 of imputed 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;">ppsi_AmortizationOfImputedInterest</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_ChangeInLongTermPayables">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 change in long term payables.</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;">ppsi_ChangeInLongTermPayables</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_ChangeInNoteReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 reduction to the principal amount of a note rececivable 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;">ppsi_ChangeInNoteReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_NonCashCostOfOperatingLeases">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 included in net income that result in no cash flow for cost of operating 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;">ppsi_NonCashCostOfOperatingLeases</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_PaymentOfDeferredPurchasePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 deferred purchase 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;">ppsi_PaymentOfDeferredPurchasePrice</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_PayrollTaxDeferral">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 payroll tax deferral.</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;">ppsi_PayrollTaxDeferral</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_ProceedsFromInsuranceReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Proceeds from insurance 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;">ppsi_ProceedsFromInsuranceReceivable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_RightOfUseAssetAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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;">ppsi_RightOfUseAssetAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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. Excludes amount for 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 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 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3044-108585<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 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=SL98516268-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents</td>
</tr>
<tr>
<td style="padding-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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; excluding 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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseExcludingExchangeRateEffect</td>
</tr>
<tr>
<td style="padding-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_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_CashFlowNoncashInvestingAndFinancingActivitiesDisclosureAbstract</td>
</tr>
<tr>
<td style="padding-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_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_FairValueOfAssetsAcquired">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 fair value of assets acquired in noncash 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 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4313-108586<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 50<br> -Paragraph 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4332-108586<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 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_FairValueOfAssetsAcquired</td>
</tr>
<tr>
<td style="padding-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_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 the amounts payable to vendors for goods and services received and the amount of obligations and expenses incurred but not paid.</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_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities</td>
</tr>
<tr>
<td style="padding-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_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_IncreaseDecreaseInAccruedIncomeTaxesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 period in the amount due for taxes based on the reporting entity's earnings or attributable to the entity's income earning process (business presence) within a given jurisdiction.</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_IncreaseDecreaseInAccruedIncomeTaxesPayable</td>
</tr>
<tr>
<td style="padding-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_IncreaseDecreaseInDeferredRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 deferred income and obligation to transfer product and 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/2003/role/exampleRef<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_IncreaseDecreaseInDeferredRevenue</td>
</tr>
<tr>
<td style="padding-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_IncreaseDecreaseInInventories">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 the aggregate value of all inventory held by the reporting entity, associated with underlying transactions that are classified as operating 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 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_IncreaseDecreaseInInventories</td>
</tr>
<tr>
<td style="padding-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_InterestExpenseDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 for 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 6<br> -Subparagraph (b)<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 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03.8)<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br><br>Reference 3: 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><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 69E<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495743-112612<br><br>Reference 5: 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)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495355-112611<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestExpenseDebt</td>
</tr>
<tr>
<td style="padding-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_InventoryLIFOReserveEffectOnIncomeNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 change in the inventory reserve representing the cumulative difference in cost between the first in, first out and the last in, first out inventory valuation methods and any LIFO decrement which have been reflected in the statement of income 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_InventoryLIFOReserveEffectOnIncomeNet</td>
</tr>
<tr>
<td style="padding-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_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>
<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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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 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)(iv))<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 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iii)(A))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442526-122756<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> 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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 31: 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 32: 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)(B))<br> -URI http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 33: 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 http://asc.fasb.org/extlink&amp;oid=124359900&amp;loc=SL124442552-122756<br><br>Reference 34: 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 35: 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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_PaymentsOfDividends">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.</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 (a)<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_PaymentsOfDividends</td>
</tr>
<tr>
<td style="padding-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_ProceedsFromIssuanceOfOtherLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 issuance of long-term debt 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 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_ProceedsFromIssuanceOfOtherLongTermDebt</td>
</tr>
<tr>
<td style="padding-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_ProceedsFromRepaymentsOfBankOverdrafts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 cash inflow or outflow from the excess drawing from an existing cash balance, which will be honored by the bank but reflected as a loan to the drawer.</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 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 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 3: 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 9<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3098-108585<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_ProceedsFromRepaymentsOfBankOverdrafts</td>
</tr>
<tr>
<td style="padding-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_ProceedsFromRepaymentsOfOtherLongTermDebt">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 other long-term debt.</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_ProceedsFromRepaymentsOfOtherLongTermDebt</td>
</tr>
<tr>
<td style="padding-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_ProceedsFromSaleOfInvestmentProjects">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 investment projects held by an entity in hopes of getting a future return or interest from it.</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> -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_ProceedsFromSaleOfInvestmentProjects</td>
</tr>
<tr>
<td style="padding-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_ProvisionForDoubtfulAccounts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 (reversal of expense) for expected 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/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 50<br> -Paragraph 13<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=124255953&amp;loc=SL82919249-210447<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(5))<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_ProvisionForDoubtfulAccounts</td>
</tr>
<tr>
<td style="padding-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_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_UnrealizedGainLossOnInvestments">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 unrealized gain (loss) on investment.</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_UnrealizedGainLossOnInvestments</td>
</tr>
<tr>
<td style="padding-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>
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<html>
<head>
<title></title>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282674353096">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Consolidated Statement of Stockholders' Equity (Unaudited) - 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>AOCI Attributable to Parent [Member]</div></th>
<th class="th"><div>Retained Earnings [Member]</div></th>
<th class="th"><div>Total</div></th>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Balance Beginning at Dec. 31, 2019</a></td>
<td class="nump">$ 9<span></span>
</td>
<td class="nump">$ 23,978<span></span>
</td>
<td class="nump">$ 14<span></span>
</td>
<td class="num">$ (7,159)<span></span>
</td>
<td class="nump">$ 16,842<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Balance Beginning (in shares) at Dec. 31, 2019</a></td>
<td class="nump">8,726,045<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_NetIncomeLoss', window );">Net loss</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="num">(2,242)<span></span>
</td>
<td class="num">(2,242)<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_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock-based compensation</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">3<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">3<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Balance Ending at Sep. 30, 2020</a></td>
<td class="nump">$ 9<span></span>
</td>
<td class="nump">23,981<span></span>
</td>
<td class="nump">14<span></span>
</td>
<td class="num">(9,401)<span></span>
</td>
<td class="nump">14,603<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Balance Ending (in shares) at Sep. 30, 2020</a></td>
<td class="nump">8,726,045<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Balance Beginning at Jun. 30, 2020</a></td>
<td class="nump">$ 9<span></span>
</td>
<td class="nump">23,980<span></span>
</td>
<td class="nump">14<span></span>
</td>
<td class="num">(10,740)<span></span>
</td>
<td class="nump">13,263<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Balance Beginning (in shares) at Jun. 30, 2020</a></td>
<td class="nump">8,726,045<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_NetIncomeLoss', window );">Net loss</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">1,339<span></span>
</td>
<td class="nump">1,339<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_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock-based compensation</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">1<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">1<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Balance Ending at Sep. 30, 2020</a></td>
<td class="nump">$ 9<span></span>
</td>
<td class="nump">23,981<span></span>
</td>
<td class="nump">14<span></span>
</td>
<td class="num">(9,401)<span></span>
</td>
<td class="nump">14,603<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Balance Ending (in shares) at Sep. 30, 2020</a></td>
<td class="nump">8,726,045<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Balance Beginning at Dec. 31, 2020</a></td>
<td class="nump">$ 9<span></span>
</td>
<td class="nump">23,981<span></span>
</td>
<td class="nump">14<span></span>
</td>
<td class="num">(10,145)<span></span>
</td>
<td class="nump">$ 13,859<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Balance Beginning (in shares) at Dec. 31, 2020</a></td>
<td class="nump">8,726,045<span></span>
</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">8,726,045<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_NetIncomeLoss', window );">Net loss</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="num">(769)<span></span>
</td>
<td class="num">$ (769)<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_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock-based compensation</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">129<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">129<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_Dividends', window );">Dividend to shareholders</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(1,047)<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="num">(1,047)<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Balance Ending at Sep. 30, 2021</a></td>
<td class="nump">$ 9<span></span>
</td>
<td class="nump">23,063<span></span>
</td>
<td class="nump">14<span></span>
</td>
<td class="num">(10,914)<span></span>
</td>
<td class="nump">$ 12,172<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Balance Ending (in shares) at Sep. 30, 2021</a></td>
<td class="nump">8,726,045<span></span>
</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">8,726,045<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Balance Beginning at Jun. 30, 2021</a></td>
<td class="nump">$ 9<span></span>
</td>
<td class="nump">23,005<span></span>
</td>
<td class="nump">14<span></span>
</td>
<td class="num">(10,480)<span></span>
</td>
<td class="nump">$ 12,548<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Balance Beginning (in shares) at Jun. 30, 2021</a></td>
<td class="nump">8,726,045<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_NetIncomeLoss', window );">Net loss</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="num">(434)<span></span>
</td>
<td class="num">(434)<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_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock-based compensation</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">58<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">58<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Balance Ending at Sep. 30, 2021</a></td>
<td class="nump">$ 9<span></span>
</td>
<td class="nump">$ 23,063<span></span>
</td>
<td class="nump">$ 14<span></span>
</td>
<td class="num">$ (10,914)<span></span>
</td>
<td class="nump">$ 12,172<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Balance Ending (in shares) at Sep. 30, 2021</a></td>
<td class="nump">8,726,045<span></span>
</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">8,726,045<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_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>
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<td><strong> Period Type:</strong></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_Dividends">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 paid and unpaid cash, stock, and paid-in-kind (PIK) dividends declared, for example, but not limited to, 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://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 942<br> -SubTopic 405<br> -Section 45<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=6957935&amp;loc=d3e64057-112817<br></p></div>
<a href="javascript:void(0);" 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> 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>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>
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<td style="white-space:nowrap;">us-gaap_NetIncomeLoss</td>
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<td><strong> Balance Type:</strong></td>
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<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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679022504">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>BASIS OF PRESENTATION<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_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">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_BasisOfAccounting', window );">BASIS OF PRESENTATION</a></td>
<td class="text"><p id="xdx_80F_eus-gaap--BasisOfAccounting_zOTvIu9CXWN8" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>1.
<span id="xdx_822_zFrdNAKcRhth">BASIS OF PRESENTATION</span></b></span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Pioneer
Power Solutions, Inc. and its wholly owned subsidiaries (referred to herein as the &#8220;Company,&#8221; &#8220;Pioneer Power,&#8221;
&#8220;we,&#8221; &#8220;our&#8221; and &#8220;us&#8221;) manufacture, sell and service a broad range of specialty electrical
infrastructure and on-site power generation equipment for applications in the utility, industrial, commercial and backup power
markets. Our principal products and services include switchgear and engine-generator controls, complemented by a national field-service
network to maintain and repair power generation assets. The Company is headquartered in Fort Lee, New Jersey and operates from
<span id="xdx_90D_ecustom--NumberOfAdditionalLocations_dc_c20210101__20210930_ze8w4w0VIK5j">three</span> (3) additional locations in the U.S. for manufacturing, service and maintenance, engineering, sales and administration.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
have <span id="xdx_904_eus-gaap--NumberOfReportableSegments_dc_uNumber_c20210101__20210930_zWC367pqFmY" title="Number of reportable segments">two</span> reportable segments as defined in our Annual Report on Form 10-K for the year ended December 31, 2020, as filed with
the Securities and Exchange Commission (the &#8220;SEC&#8221;) on March 30, 2021: Transmission and Distribution Solutions (&#8220;T&amp;D
Solutions&#8221;) and Critical Power Solutions (&#8220;Critical Power&#8221;).</span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
accompanying unaudited interim consolidated financial statements of the Company have been prepared pursuant to the rules of the
SEC and reflect the accounts of the Company as of September 30, 2021. Certain information and footnote disclosures, normally included
in annual financial statements prepared in accordance with accounting principles generally accepted in the United States (&#8220;U.S.
GAAP&#8221;), have been condensed or omitted pursuant to those rules and regulations. We believe that the disclosures made are
adequate to make the information presented not misleading to the reader. In the opinion of management, all adjustments, consisting
only of normal recurring adjustments, necessary to fairly state the financial position, results of operations and cash flows with
respect to the interim consolidated financial statements have been included. The results of operations for the interim period
are not necessarily indicative of the results for the entire fiscal year. The year-end balance sheet data was derived from audited
financial statements but does not include all disclosures required by U.S. GAAP for a year-end balance sheet.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">All
dollar amounts (except share and per share data) presented in the notes to our unaudited interim consolidated financial statements
are stated in thousands of dollars, unless otherwise noted. Amounts may not foot due to rounding. ASC 740-270 requires the use
of an estimated annual effective tax rate to compute the tax provision during an interim period unless certain exceptions are
met. We have used a discrete-period computation method to calculate taxes for the fiscal three and nine month periods ended September
30, 2021. Due to operating losses, the Company has determined that it is unable to reliably estimate its annual effective tax
rate.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">These
unaudited interim consolidated financial statements include the accounts of Pioneer Power and its wholly-owned subsidiaries. All
significant intercompany accounts and transactions have been eliminated in consolidation.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">These
unaudited interim consolidated financial statements should be read in conjunction with the risk factors under the heading &#8220;Part
II - Item 1A. Risk Factors&#8221; and the risk factors and the audited consolidated financial statements and notes thereto of
the Company and its subsidiaries included in the Company&#8217;s Annual Report on Form 10-K for the year ended December 31, 2020.</span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
accompanying financial statements have been prepared on a basis, which contemplates the realization of assets and the satisfaction
of liabilities in the normal course of business. As shown in the accompanying financial statements as of the nine months ended
September 30, 2021, the Company had $<span id="xdx_902_eus-gaap--CashAndCashEquivalentsAtCarryingValue_iI_pn5n6_c20210930_zK8Nm6RiDM59" title="Cash">3.4</span> million of cash on hand and working capital of $<span id="xdx_90D_ecustom--WorkingCapital_iI_pn5n6_c20210930_zmOEYKB8Re21">5.7</span> million. The cash on hand was generated
primarily from the completion of the sale of the transformer business units during the year ended December 31, 2019, proceeds
from the sale of the CleanSpark Common Stock (as defined herein) and warrants to purchase CleanSpark Common Stock, proceeds from
insurance and the funding from the Paycheck Protection Program recognized during the year ended December 31, 2020. We have historically
met our cash needs through a combination of cash flows from operating activities and bank borrowings. Our cash requirements historically
were for operating activities, debt repayment and capital improvements. As all outstanding amounts under our credit facilities
were paid in full during the year ended December 31, 2019, and the credit facilities terminated, we expect to meet our cash needs
with our working capital and cash flows from our operating activities. We expect our cash requirements to be generally for operating
activities and capital improvements. The Company expects that its current cash balance is sufficient to fund operations for the
next twelve months.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
<span id="xdx_90A_eus-gaap--DividendsPayableDateDeclaredDayMonthAndYear_dd_c20210531__20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_zVeMcqcHTUNc" title="Dividend date declared">June 1, 2021</span>, the board of directors of the Company declared a special cash dividend of $<span id="xdx_90F_eus-gaap--DividendsPayableAmountPerShare_iI_pip0_uUSDPShares_c20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_zerXVmkPResh" title="Dividend amount (in dollars per share)">0.12</span> per common share, payable to shareholders
of record as of <span id="xdx_906_eus-gaap--DividendsPayableDateOfRecordDayMonthAndYear_dd_c20210531__20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_z2NhniwZRM83" title="Dividend record date">June 22, 2021</span>, to be paid on <span id="xdx_908_eus-gaap--DividendPayableDateToBePaidDayMonthAndYear_dd_c20210531__20210601__us-gaap--DividendsAxis__us-gaap--DividendDeclaredMember_zxmaJUpwXFug" title="Dividend payment date">July 7, 2021</span>. The Cash dividends were paid in July of 2021 and equaled $<span id="xdx_909_eus-gaap--DividendsPayableAmountPerShare_iI_pip0_uUSDPShares_c20210707__us-gaap--DividendsAxis__us-gaap--DividendPaidMember_zxDOXuo518J6">0.12</span> per
share on the $<span id="xdx_900_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pip0_uUSDPShares_c20210707__us-gaap--DividendsAxis__us-gaap--DividendPaidMember_zLR2LwozzGf5" title="Common stock, par value (in dollars per share)">0.001</span> par value common stock resulting in an aggregate distribution of approximately $<span id="xdx_90D_eus-gaap--PaymentsOfDividends_pn5n6_c20210706__20210707__us-gaap--DividendsAxis__us-gaap--DividendPaidMember_zESLqSSY7xpl" title="Dividend paid">1.0</span> million representing a
capital repayment paid from additional paid-in capital (&#8220;APIC&#8221;).</span></p>

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

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



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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">During
the first quarter of 2021, the Company executed a cash collateral security agreement with a commercial bank, which agreement required
us to pledge cash collateral as security for all unpaid reimbursement obligations owing to the commercial bank for an irrevocable
standby letter of credit in the amount of $<span id="xdx_907_eus-gaap--LettersOfCreditOutstandingAmount_iI_pn5n6_c20210930_zBSQalAdMVZh" title="Irrevocable standby letter of credit">1.8</span> million. As a result of executing the cash collateral security agreement, the Company
recognized approximately $<span id="xdx_90A_eus-gaap--RestrictedCash_iI_pn3n3_dxL_c20210930_zDzVjnY2Socb" title="Restricted cash::XDX::1775"><span style="-sec-ix-hidden: xdx2ixbrl0535">1.8</span></span> million of restricted cash within the consolidated balance sheet at September 30, 2021.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">In
November 2016, the FASB issued amended guidance to ASU No. 2016-18, Statement of Cash Flows - Restricted Cash (Topic 230), which
requires the statement of cash flows to explain the change during the period in the total of cash, cash equivalents, and restricted
cash and that restricted cash be included with cash and cash equivalents when reconciling the beginning-of-period and end-of-period
total amounts shown on the statement of cash flows.</span></p>

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

<p id="xdx_899_ecustom--ReconciliationOfCashAndRestrictedCashTableTextBlock_z7E4euoL2frl" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BE_zwPOctP2eWme">The
following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum
to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows:</span></span></p>

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

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

<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="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_49A_20210930_ze4PCG3pugb1" style="font-weight: bold; text-align: center">September 30,</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_499_20201231_zPW6JLcqysMc" style="font-weight: bold; text-align: center">December 31,</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr id="xdx_40A_eus-gaap--Cash_iI_pn3n3_maCCERCzUVz_maCCERCz7Wp_zV1MzPXh1Eh3" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 54%">Cash</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">3,372</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">7,567</td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr id="xdx_405_eus-gaap--RestrictedCash_iI_pn3n3_maCCERCzUVz_maCCERCz7Wp_zKHUQjh7E8C3" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt">Restricted 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">1,775</td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><span style="-sec-ix-hidden: xdx2ixbrl0543">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr id="xdx_402_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iTI_pn3n3_mtCCERCzUVz_mtCCERCz7Wp_z56lGOPB4Fr1" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total cash and restricted cash as shown in the statement of cash flows</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">5,147</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">7,567</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
</table>

<p id="xdx_8AC_zdPf68jy9m9k" style="margin-top: 0; margin-bottom: 0">&#160;<span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
January 30, 2020, the World Health Organization (&#8220;WHO&#8221;) announced a global health emergency because of a new strain
of coronavirus originating in Wuhan, China and the risks to the international community as the virus spreads globally beyond its
point of origin. In March 2020, the WHO classified the COVID-19 outbreak as a pandemic (the &#8220;COVID-19 pandemic&#8221;),
based on the rapid increase in exposure globally.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
full impact of the COVID-19 pandemic continues to evolve as the date of this report. As such, it is uncertain as to the full magnitude
that the pandemic will have on the Company&#8217;s financial condition, liquidity, and future results of operations. During the
three months ended September 30, 2021, the Company experienced an impact to productivity as a result of following social distancing
guidelines and practicing personal protective measures. Notwithstanding, the Company has been able to operate substantially at
capacity during the COVID-19 pandemic. Management is actively monitoring the global situation on its financial condition, liquidity,
operations, suppliers, industry, and workforce. Given the daily evolution of the COVID-19 pandemic and the global responses to
contain its spread, the Company is not able to estimate the full effects of the COVID-19 pandemic at this time, however, if the
pandemic continues, it may continue to have an adverse effect on the Company&#8217;s results of operations, financial condition,
or liquidity.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
March 27, 2020, then President Trump signed into law the &#8220;Coronavirus Aid, Relief, and Economic Security (CARES) Act&#8221;
(the &#8220;CARES Act&#8221;) The CARES Act, among other things, appropriates funds for the SBA Paycheck Protection Program loans
that are forgivable in certain situations to promote continued employment. On April 13, 2020, after having determined that it
met the qualifications for this loan program due to the impact that COVID-19 would have on our financial condition, results of
operations, and/or liquidity and applying for relief, the Company received a loan under the SBA Paycheck Protection Program (the
&#8220;PPP Loan&#8221;) in the amount of $<span id="xdx_909_eus-gaap--DebtInstrumentFaceAmount_iI_pn5n6_c20200413__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNXWAWHqijG1" title="Loan face value">1.4 </span>million. The Company accounted for the PPP Loan as a debt instrument in accordance
with FASB ASC 470, Debt.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Under
the terms of the PPP Loan, the Company was eligible for full or partial loan forgiveness. During the first quarter of 2021, the
Company received full forgiveness of the PPP Loan and recognized a $<span id="xdx_906_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pn5n6_c20210101__20210331__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zNDLyYeSb9nb" title="Gain on extinguishment of debt">1.4</span> million gain on extinguishment and forgiveness of debt
as other income in the unaudited interim consolidated statements of operations.</span></p>

<span></span>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282691026904">
<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">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></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_SignificantAccountingPoliciesTextBlock', window );">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</a></td>
<td class="text"><p id="xdx_804_eus-gaap--SignificantAccountingPoliciesTextBlock_zehgIyrOtkg7" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>2.
<span id="xdx_82D_znwrxuVG1dM5">SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company&#8217;s significant accounting policies are described in Note 2 to the audited consolidated financial statements included
in the Company&#8217;s Annual Report on Form 10-K for the year ended December 31, 2020. There have been no significant changes
in the Company&#8217;s accounting policies during the third quarter of 2021.&#160;</span></p>

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

<p id="xdx_841_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zvueouz8enYc" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="xdx_860_zMp9hVrAfSo">Recent
Accounting Pronouncements</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">There
have been no recent accounting pronouncements not yet adopted by the Company which would have a material impact on the Company&#8217;s
financial statements.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Income
Taxes</i>. In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (Topic 740), which simplifies the accounting for income
taxes by removing certain exceptions to the general principles in Topic 740 and also clarifies and amends existing guidance to
improve consistent application. The ASU is effective for all annual and interim periods beginning December 15, 2020, with early
adoption permitted. The Company adopted this guidance on January 1, 2021. The adoption of this ASU did not have a material impact
on the consolidated financial statements.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Fair
Value Measurement</i>. In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework
- Changes to the Disclosure Requirements for Fair Value Measurement that eliminates, amends, and adds certain disclosure requirements
for fair value measurements. The Company adopted this guidance on January 1, 2020. The adoption of this ASU did not have a material
impact on the consolidated financial statements.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Measurement
of Credit Losses on Financial Instrument</i>. In June 2016, the FASB issued amended guidance to ASU No. 2016-13, Financial Instruments
- Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments that changes the impairment model for most
financial assets and certain other instruments. For trade and other receivables, held-to-maturity debt securities, loans and other
instruments, entities will be required to use a new forward-looking &#8220;expected loss&#8221; model that will replace today&#8217;s
&#8220;incurred loss&#8221; model and generally will result in the earlier recognition of allowances for losses. For available-for-sale
debt securities with unrealized losses, entities will measure credit losses in a manner similar to current practice, except that
the losses will be recognized as an allowance. This amended guidance for small reporting companies is effective for fiscal years
beginning after December 15, 2022, including interim periods within those fiscal years. Entities will apply the standard&#8217;s
provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first effective reporting period.
The Company does not expect that the amended guidance will have a material effect on our consolidated financial statements and
related disclosures.</span></p>

<p id="xdx_854_zfd5ogwY0J67" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<span></span>
</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for all significant accounting policies of the reporting entity.</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 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123372394&amp;loc=d3e18726-107790<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -URI http://asc.fasb.org/topic&amp;trid=2122369<br></p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679022504">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>FAIR VALUE MEASUREMENTS<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_FairValueDisclosuresAbstract', window );"><strong>Fair Value Disclosures [Abstract]</strong></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_FairValueDisclosuresTextBlock', window );">FAIR VALUE MEASUREMENTS</a></td>
<td class="text"><p id="xdx_80F_eus-gaap--FairValueDisclosuresTextBlock_zUzDidoBqyJg" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>3.
<span id="xdx_823_zbdprG7Fr1K6">FAIR VALUE MEASUREMENTS</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">ASC
820, Fair Value Measurements and Disclosures (&#8220;ASC 820&#8221;), defines fair value as the price that would be received to
sell an asset, or paid to transfer a liability, in the principal or most advantageous market in an orderly transaction between
market participants on the measurement date. The fair value standard also establishes a three level hierarchy, which requires
an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair value. The
valuation hierarchy is based upon the transparency of inputs to the valuation of an asset or liability on the measurement date.
The three levels are defined as follows:</span></p>

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

<table 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="width: 0.25in"/><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Level
                                         1 - inputs to the valuation methodology are quoted prices (unadjusted) for an identical
                                         asset or liability in an active market.</span></td></tr></table>

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

<table 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="width: 0.25in"/><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Level
                                         2 - inputs to the valuation methodology include quoted prices for a similar asset or
                                         liability in an active market or model derived valuations in which all significant inputs
                                         are observable for substantially the full term of the asset or liability.</span></td></tr></table>

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

<table 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="width: 0.25in"/><td style="width: 0.25in"><span style="font: 10pt Times New Roman, Times, Serif">&#9679;</span></td><td style="text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Level
                                         3 - inputs to the valuation methodology are unobservable and significant to the fair
                                         value measurement of the asset or liability.</span></td></tr></table>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
January 22, 2019, Pioneer Critical Power, Inc., a Delaware corporation, and a wholly-owned subsidiary of the Company within the
T&amp;D Solutions segment, entered into an Agreement and Plan of Merger with CleanSpark and CleanSpark Acquisition, Inc., a Delaware
corporation, which resulted in the Company receiving financial instruments that included the right to receive (i) <span id="xdx_90B_eus-gaap--ConversionOfStockSharesIssued1_pid_c20190121__20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zF7Mq43dO7K2" title="Number of shares converted">175,000</span> shares
of CleanSpark Common Stock (&#8220;CleanSpark Common Stock&#8221;), (ii) a <span id="xdx_902_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dxL_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant1Member_z3opXX4XzCbl" title="Warrant term::XDX::P5Y"><span style="-sec-ix-hidden: xdx2ixbrl0560">five</span></span>-year warrant to purchase <span id="xdx_90C_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pid_uShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant1Member_zowXvHh6jkt2" title="Number of shares called by warrant">50,000</span> shares of CleanSpark
Common Stock at an exercise price of $<span id="xdx_907_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pid_uUSDPShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant1Member_zSR8ZAigKqik" title="Warrant exercise price">16.00</span> per share, and (iii) a <span id="xdx_90D_eus-gaap--WarrantsAndRightsOutstandingTerm_iI_dxL_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant2Member_zgXNrzL9JjPf" title="::XDX::P5Y"><span style="-sec-ix-hidden: xdx2ixbrl0565">five</span></span>-year warrant to purchase <span id="xdx_90E_eus-gaap--ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights_iI_pii_uShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant2Member_zk4RFP4ZfTC">50,000</span> shares of CleanSpark Common
Stock at an exercise price of $<span id="xdx_90F_eus-gaap--ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1_iI_pii_uUSDPShares_c20190122__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--ClassOfWarrantOrRightAxis__custom--Warrant2Member_zr86mgYMLUv3">20.00</span> per share. The share quantities and exercise prices of warrants reflect the <span id="xdx_906_eus-gaap--StockholdersEquityReverseStockSplit_c20191201__20191231__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zuTkc9Hkl332" title="Reverse stock split">10:1 reverse
stock split</span> which was completed by CleanSpark in December 2019.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">During
the three months ended September 30, 2020, the Company sold all of the CleanSpark Common Stock and warrants to purchase CleanSpark
Common Stock it received in connection with the Merger Agreement and recorded proceeds of $<span id="xdx_904_eus-gaap--ProceedsFromSaleOfEquitySecuritiesFvNi_pn5n6_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zdcikv7deBye" title="Proceeds from sale">2.4</span> million. The gain from the sale
was partially offset by a mark to market adjustment of $<span id="xdx_90F_eus-gaap--EquitySecuritiesFvNiUnrealizedLoss_pn3n3_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zUw7nYp03833" title="Unrealized mark to market adjustment">700</span> and $<span id="xdx_902_eus-gaap--EquitySecuritiesFvNiUnrealizedLoss_pn5n6_c20200101__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zkGbX1Wv79Ba">1.4</span> million resulting in a net gain of $<span id="xdx_906_eus-gaap--EquitySecuritiesFvNiGainLoss_pn5n6_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_zyZhIv8mr6d8" title="Net gain">1.7</span> million and $<span id="xdx_909_eus-gaap--EquitySecuritiesFvNiGainLoss_pn3n3_c20200101__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_z86LRZ3x2Ygk">968</span>
for the three and nine months ended September 30, 2020, respectively, to other expense (income) in the accompanying statements
of operations. Warrants at fair value were previously recorded at inception as long term within other assets.</span></p>

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

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



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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">No
changes in valuation techniques or inputs occurred during the nine months ended September 30, 2021 and 2020. No transfers of assets
between Level 1 and Level 2 of the fair value measurement hierarchy occurred during the nine months ended September 30, 2021 and
2020.</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://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 820<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI http://asc.fasb.org/extlink&amp;oid=123874694&amp;loc=d3e19207-110258<br></p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282691026904">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUES<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_RevenueFromContractWithCustomerAbstract', window );"><strong>Revenue from Contract with Customer [Abstract]</strong></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_RevenueFromContractWithCustomerTextBlock', window );">REVENUES</a></td>
<td class="text"><p id="xdx_80E_eus-gaap--RevenueFromContractWithCustomerTextBlock_zKQ5MEun2Adf" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>4.
<span><span id="xdx_82E_z8bCqr1zEil2">REVENUES</span></span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>Nature
of our products and services</b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
principal products and services include switchgear and engine-generator controls, complemented by a national field-service network
to maintain and repair power generation assets.</span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">We
provide a portfolio of distributed generation products, including switchgear that helps customers effectively and efficiently
manage their electrical power distribution systems to desired specifications and allows for flexibility to combine a wide variety
of distributed energy resources in a compact, integrated package.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Additionally,
we provide our customers with new and used sophisticated power generation equipment intended to ensure smooth, uninterrupted power
to operations during times of emergency.</span></p>

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

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

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Power
generation systems represent considerable investments that require proper maintenance and service in order to operate reliably
during a time of emergency. Our&#160;power maintenance programs provide&#160;preventative maintenance, repair and support service
for our customers&#8217; power generation systems.&#160;</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Our
principal source of revenue is derived from sales of products and fees for services. We measure revenue based upon the consideration
specified in the customer arrangement, and revenue is recognized when the performance obligations in the customer arrangement
are satisfied. A performance obligation is a promise in a contract to transfer a distinct product or service to the customer.
The transaction price of a contract is allocated to each distinct performance obligation and recognized as revenue when or as,
the customer receives the benefit of the performance obligation. Customers typically receive the benefit of our products when
the risk of loss or control for the product transfers to the customer and for services as they are performed. Under ASC 606, revenue
is recognized when a customer obtains control of promised products or services in an amount that reflects the consideration we
expect to receive in exchange for those products or services. To achieve this core principal, the Company applies the following
five steps:</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">1)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Identify
the contract with a customer</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">A
contract with a customer exists when (i) the Company enters into an enforceable contract with a customer that defines each party&#8217;s
rights regarding the products or services to be transferred and identifies the payment terms related to these products or services,
(ii) the contract has commercial substance and, (iii) the Company determines that collection of substantially all consideration
for products or services that are transferred is probable based on the customer&#8217;s intent and ability to pay the promised
consideration. The Company applies judgment in determining the customer&#8217;s ability and intention to pay, which is based on
a variety of factors including the customer&#8217;s historical payment experience or, in the case of a new customer, published
credit and financial information pertaining to the customer.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">2)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Identify
the performance obligations in the contract</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Performance
obligations promised in a contract are identified based on the products or services that will be transferred to the customer that
are both capable of being distinct, whereby the customer can benefit from the product or service either on its own or together
with other resources that are readily available from third parties or from the Company, and are distinct in the context of the
contract, whereby the transfer of the products or services is separately identifiable from other promises in the contract. To
the extent a contract includes multiple promised products or services, the Company must apply judgment to determine whether promised
products or services are capable of being distinct and distinct in the context of the contract. If these criteria are not met
the promised products or services are accounted for as a combined performance obligation.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">3)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Determine
the transaction price</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
transaction price is determined based on the consideration to which the Company will be entitled in exchange for transferring
products or services to the customer. The customer payments are generally due in 30 days.</span></p>

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

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



<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">4)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Allocate
the transaction price to performance obligations in the contract</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">If
the contract contains a single performance obligation, the entire transaction price is allocated to the single performance obligation.
Contracts that contain multiple performance obligations require an allocation of the transaction price to each performance obligation
based on a relative standalone selling price basis or cost of the product or service. The Company determines standalone selling
price based on the price at which the performance obligation is sold separately. If the standalone selling price is not observable
through past transactions, the Company estimates the standalone selling price taking into account available information such as
market conditions and internally approved pricing guidelines related to the performance obligations.</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">5)&#160;&#160;&#160;&#160;&#160;&#160;&#160;<i>Recognize
revenue when or as the Company satisfies a performance obligation</i></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company satisfies performance obligations either over time or at a point in time. Revenue is recognized at the time the related
performance obligation is satisfied by transferring a promised product or service to a customer.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Revenue
from the sale of our switchgear equipment is predominantly recognized at a point in time and substantially all of our revenue
from the sale of power generation equipment is recognized at a point in time. Revenues are recognized at the point in time that
the customer obtains control of the good which is when it has taken title to the products and has assumed the risks and rewards
of ownership specified in the purchase order or sales agreement. Certain sales of highly customized large switchgear equipment
are recognized over time when such equipment has no alternative use and the Company has an enforceable right to payment for performance
completed to date. Revenue for such agreements is recognized under the input method based on cost incurred relative to the estimated
cost expected to be consumed to complete the project.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">During
the three months ended September 30, 2021, the Company recognized $<span id="xdx_90C_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zBFsFxvKz8Z8" title="Revenue">262</span> of revenue over time and incurred costs of $<span id="xdx_907_eus-gaap--CostsIncurredDevelopmentCosts_pn3n3_c20210701__20210930_zRyfu6x2v6P5" title="Contract costs incurred">227</span> related
to a single contract. During the nine months ended September 30, 2021, the Company recognized $<span id="xdx_90D_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn5n6_c20210101__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredOverTimeMember_zaI07XHo9Jg">3.4</span> million of revenue over time
and incurred costs of $<span id="xdx_900_eus-gaap--CostsIncurredDevelopmentCosts_pn5n6_c20210101__20210930_ztpWV0V9wbdf">3.1</span> million related to a single contract. Additionally, the Company recognized $<span id="xdx_90A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn5n6_c20210701__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zFa0dRsqVVY1">3.4</span> million and $<span id="xdx_90F_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn5n6_c20210101__20210930__us-gaap--TimingOfTransferOfGoodOrServiceAxis__us-gaap--TransferredAtPointInTimeMember_zUhPZdldYlmd">6.0</span> million
of revenue at a point in time from the sale of our switchgear and power generation equipment during the three and nine months
ended September 30, 2021, respectively. Service revenues include maintenance contracts that are recognized over time based on
the contract term and repair services which are recognized as services are delivered.</span></p>

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

<p id="xdx_894_eus-gaap--DisaggregationOfRevenueTableTextBlock_z3aIO3IBfiM2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BF_ztxElkvGgG8b">The
following table presents our revenues disaggregated by revenue discipline:</span></span></p>

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

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

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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="6" style="font-weight: bold; text-align: center">Three Months Ended</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="6" style="font-weight: bold; text-align: center">Nine Months Ended</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">September 30,</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">September 30,</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; width: 28%; vertical-align: bottom">Products</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zax9rqfvZ0Lg" style="width: 10%; text-align: right">3,690</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200701__20200930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZsFmqxmvxN3" style="width: 10%; text-align: right">1,918</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20210930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zQcpvz1ECRq4" style="width: 10%; text-align: right">9,359</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zfYHMgfIYqD1" style="width: 10%; text-align: right">8,261</td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: White">
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<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"/>

<p id="xdx_8A1_zed9TBed8gvg" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">See
Note 12 - Business Segment and Geographic Information in Notes to Consolidated Financial Statements in Part I of this Form 10-Q.</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">
<tr>
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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>
<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> -URI http://asc.fasb.org/topic&amp;trid=49130388<br><br>Reference 2: 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 10<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130551-203045<br><br>Reference 3: 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 13<br> -Subparagraph (b)(2)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130556-203045<br><br>Reference 4: 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 12<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130554-203045<br><br>Reference 5: 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 9<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130550-203045<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 12<br> -Subparagraph (e)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130554-203045<br><br>Reference 7: 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 12<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130554-203045<br><br>Reference 8: 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 12<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130554-203045<br><br>Reference 9: 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 15<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130558-203045<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 12<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123351226&amp;loc=SL49130554-203045<br></p></div>
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<tr>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679095032">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>OTHER EXPENSE (INCOME)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_OtherIncomeAndExpensesAbstract', window );"><strong>Other Income and Expenses [Abstract]</strong></a></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_OtherNonoperatingIncomeAndExpenseTextBlock', window );">OTHER EXPENSE (INCOME)</a></td>
<td class="text"><p id="xdx_80A_eus-gaap--OtherNonoperatingIncomeAndExpenseTextBlock_z9OMlm7RTW36" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>5.
<span id="xdx_82B_zuH1zrzKljw5">OTHER EXPENSE (INCOME)</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Other
expense (income) in the unaudited interim consolidated statements of operations reports certain gains and losses associated with
activities not directly related to our core operations. For the three months ended September 30, 2021, other expense was $<span id="xdx_90D_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_di_c20210701__20210930_zKlN0mhobsQ5" title="Other expense (income)">13</span>,
as compared to other income of $<span id="xdx_907_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_dixL_c20200701__20200930_zSmuPAkCIptj" title="::XDX::-1%2C735"><span style="-sec-ix-hidden: xdx2ixbrl0607">1.7</span></span> million during the three months ended September 30, 2020. For the three months ended September
30, 2020, included in other income was a gain of $<span id="xdx_90D_eus-gaap--EquitySecuritiesFvNiGainLoss_pn5n6_c20200701__20200930__srt--OwnershipAxis__custom--CleanSparkMember__us-gaap--InvestmentTypeAxis__us-gaap--CommonStockMember_z3EiyQkdunHa" title="Net gain">1.7</span> million related to the sale of CleanSpark Common Stock and warrants.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">For
the nine months ended September 30, 2021, other income was $<span id="xdx_90F_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_dixL_c20210101__20210930_z8d8pMnriGu6" title="::XDX::-1%2C294"><span style="-sec-ix-hidden: xdx2ixbrl0610">1.3</span></span> million, as compared to other income of $<span id="xdx_90F_eus-gaap--OtherNonoperatingIncomeExpense_iN_pn3n3_dixL_c20200101__20200930_z2YaAB7bp1K5" title="::XDX::-904"><span style="-sec-ix-hidden: xdx2ixbrl0611">904</span></span> during the nine months
ended September 30, 2020. For the nine months ended September 30, 2021, included in other income was a gain of $<span id="xdx_901_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pn5n6_c20210101__20210930__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zeXC89yVn6A4" title="Gain on extinguishment of debt">1.4</span> million for
the extinguishment and forgiveness of the PPP Loan. For the nine months ended September 30, 2020, included in other income was
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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 the components of non-operating income or non-operating expense, including, but not limited to, amounts earned from dividends, interest on securities, gain (loss) on securities sold, equity earnings of unconsolidated affiliates, gain (loss) on sales of business, interest expense and other miscellaneous income or expense items.</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 S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(7))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<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(9))<br> -URI http://asc.fasb.org/extlink&amp;oid=123367319&amp;loc=SL114868664-224227<br></p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282686482008">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INVENTORIES<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_InventoryDisclosureAbstract', window );"><strong>Inventory Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p id="xdx_896_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zF5F8Ip0OfN4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BC_zLNwY71nE2v3">The
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

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

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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Inventories
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for inventory. Includes, but is not limited to, the basis of stating inventory, the method of determining inventory cost, the classes of inventory, and the nature of the cost elements included in inventory.</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> -URI http://asc.fasb.org/topic&amp;trid=2126998<br></p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679083752">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PROPERTY, PLANT AND EQUIPMENT<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 30, 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_PropertyPlantAndEquipmentAbstract', window );"><strong>Property, Plant and Equipment [Abstract]</strong></a></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_PropertyPlantAndEquipmentDisclosureTextBlock', window );">PROPERTY, PLANT AND EQUIPMENT</a></td>
<td class="text"><p id="xdx_80D_eus-gaap--PropertyPlantAndEquipmentDisclosureTextBlock_zpcfNTwnWhx4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>7.
<span id="xdx_828_zz46OEzWTEsd">PROPERTY, PLANT AND EQUIPMENT</span></b></span></p>

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

<p id="xdx_896_eus-gaap--PropertyPlantAndEquipmentTextBlock_zcUyqrWv86kl" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BF_znEdfPRa7QV7">Property,
plant and equipment are summarized below:</span></span></p>

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

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

<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="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="2" style="font-weight: bold; text-align: center">September 30,</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 54%; text-align: left">Machinery and equipment</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_98C_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--MachineryAndEquipmentMember_zW2jd6CU7XZg" style="width: 10%; text-align: right">1,183</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#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 id="xdx_985_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--FurnitureAndFixturesMember_zGrwiasIthf7" style="text-align: right">205</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--FurnitureAndFixturesMember_zSUdR37j1yNi" style="text-align: right">205</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 id="xdx_984_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerHardwareAndSoftwareMember_zsLtMdIhtK42" style="text-align: right">539</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_98B_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__custom--ComputerHardwareAndSoftwareMember_zHkk1eo88wg9" style="text-align: right">669</td><td style="text-align: left">&#160;</td></tr>
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    <td style="text-align: left">&#160;</td><td id="xdx_987_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zMByVgTBuwo3" style="text-align: right">322</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--LeaseholdImprovementsMember_zq1dMbBaApVf" style="text-align: right">337</td><td style="text-align: left">&#160;</td></tr>
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    <td style="text-align: left; padding-bottom: 1pt">Construction in progress</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td id="xdx_989_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20210930__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zwtKfpkyXjt8" style="border-bottom: Black 1pt solid; text-align: right">141</td><td style="padding-bottom: 1pt; text-align: left">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td id="xdx_989_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231__us-gaap--PropertyPlantAndEquipmentByTypeAxis__us-gaap--ConstructionInProgressMember_zmEU0wqZA2j7" style="border-bottom: Black 1pt solid; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0645">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
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    <td>&#160;</td><td>&#160;</td>
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    <td style="text-align: left">&#160;</td><td id="xdx_980_eus-gaap--PropertyPlantAndEquipmentGross_iI_pn3n3_c20201231_z4tJuKSDfabb" style="text-align: right">2,421</td><td style="text-align: left">&#160;</td></tr>
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    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td id="xdx_98C_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_msPPE_c20210930_zMARp7yLwBQg" style="border-bottom: Black 1pt solid; text-align: right" title="Less: Accumulated depreciation">(1,912</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 id="xdx_98A_eus-gaap--AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment_iNI_pn3n3_di_c20201231_zahgclg6RNH8" style="border-bottom: Black 1pt solid; text-align: right">(1,988</td><td style="padding-bottom: 1pt; text-align: left">)</td></tr>
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    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total property, plant and equipment, net</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_98F_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_mtPPE_c20210930_zhrUkVgQTAz5" style="border-bottom: Black 2.5pt double; text-align: right" title="Total property, plant and equipment, net">478</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_986_eus-gaap--PropertyPlantAndEquipmentNet_iTI_pn3n3_c20201231_zVgl5f1KwYQb" style="border-bottom: Black 2.5pt double; text-align: right">433</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"/>

<p id="xdx_8A6_zMflSkUIltt7" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Depreciation
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</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>The entire disclosure 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 6<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=d3e99893-112916<br><br>Reference 2: 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 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 7<br> -URI http://asc.fasb.org/extlink&amp;oid=120429125&amp;loc=SL120174063-112916<br><br>Reference 4: 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></p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679098536">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>NOTES RECEIVABLE<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_ReceivablesAbstract', window );"><strong>Receivables [Abstract]</strong></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_LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock', window );">NOTES RECEIVABLE</a></td>
<td class="text"><p id="xdx_800_eus-gaap--LoansNotesTradeAndOtherReceivablesExcludingAllowanceForCreditLossesTextBlock_zGXGa019IuPe" style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>8. <span id="xdx_821_z55QFduFUwZj">NOTES RECEIVABLE</span></b></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">In connection with the sale of the transformer business
units in August 2019, amongst other consideration, we received two subordinated promissory notes in the aggregate principal amount of
$<span id="xdx_904_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--FirstSellerNoteMember_zpCw6ZOKnXjb" title="Principal amount">5.0</span> million and $<span id="xdx_90E_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--SecondSellerNoteMember_zgOanYIVLO41">2.5</span> million, for a total aggregate principal amount of $<span id="xdx_90E_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zOHlwL0KBuH1">7.5</span> million (the &#8220;Seller Notes&#8221;), subject to certain
adjustments. The Seller Notes accrue interest at a rate of <span id="xdx_900_eus-gaap--DebtInstrumentInterestRateStatedPercentage_iI_dp_c20210630__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zvdJ6dqUdYv" title="Interest rate">4.0</span>% per annum, with a final payment of all unpaid principal and interest becoming
fully due and payable at <span id="xdx_903_eus-gaap--DebtInstrumentMaturityDate_dd_c20210101__20210630__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zigXbLU1kz39" title="Maturity date">December 31, 2022</span>. The Company determined the fair value of the Seller Notes based on market conditions and prevailing
interest rates. During the fourth quarter of 2019, the Company and the Buyer, pursuant to the Stock Purchase Agreement, completed the
net working capital adjustment, which resulted in the Company paying the Buyer $<span id="xdx_904_eus-gaap--RepaymentsOfNotesPayable_pn5n6_c20191001__20191231__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zyfEdtZK7JK5" title="Repayment of notes payable">1.8 </span>million in cash and reducing the principal amount
of the $<span id="xdx_900_eus-gaap--NotesReceivableGross_iI_pn5n6_c20190816__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--FirstSellerNoteMember_z5ARo8IBRoc2">5.0</span> million Seller Note to $<span id="xdx_90A_eus-gaap--NotesReceivableGross_iI_pn5n6_c20191231__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember__us-gaap--DebtInstrumentAxis__custom--FirstSellerNoteMember_zcQYJVySzCR3">3.2</span> million. During the second quarter of 2020, the Company recognized an additional reduction to
the principal amount of the Seller Note of $<span id="xdx_904_ecustom--ChangeInNoteReceivable_pn3n3_c20210401__20210630__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zqEJtbNQ32l">194</span> for a valid claim paid by the Buyer on behalf of the Company. The Company has revalued
the Seller Notes for an appropriate imputed interest rate, resulting in a net change to the value of the Seller Notes at September 30,
2021 of $<span id="xdx_909_eus-gaap--IncreaseDecreaseInNotesReceivables_pn3n3_c20210101__20210930__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_zxv7OYAHJRQi" title="Change in value of notes">321</span> for a carrying value of $<span id="xdx_904_eus-gaap--NotesReceivableNet_iI_pn5n6_c20210930__us-gaap--NoncashOrPartNoncashDivestituresByUniqueNameAxis__custom--TransformerBusinessUnitsMember__us-gaap--LongtermDebtTypeAxis__us-gaap--SubordinatedDebtMember_z60NUzNdsWWb" title="Carrying value">5.7</span> million.</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 claims held for amounts due a company, excluding disclosure for allowance for credit losses. Examples include, but are not limited to, trade accounts receivables, notes receivables, loans receivables. Also excludes disclosure for financing receivables.</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 310<br> -SubTopic 10<br> -URI http://asc.fasb.org/subtopic&amp;trid=2196772<br></p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679053608">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DEBT<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></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_DebtDisclosureTextBlock', window );">DEBT</a></td>
<td class="text"><p id="xdx_80E_eus-gaap--DebtDisclosureTextBlock_zJVmHVccs4Rd" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>9.
<span id="xdx_829_zTyuyqAINLC6">DEBT</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">On
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The CARES Act, among other things, appropriates funds for the SBA Paycheck Protection Program loans that are forgivable in certain
situations to promote continued employment. On April 13, 2020 after having determined that it met the qualifications for this
loan program due to the impact that COVID-19 would have on our financial condition, results of operations, and/or liquidity and
applying for relief, the Company received a loan under the SBA Paycheck Protection Program in the amount of $<span id="xdx_90A_eus-gaap--DebtInstrumentFaceAmount_iI_pn5n6_c20200413__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_z8TG6Hyfxa2j" title="Loan face value">1.4</span> million. The
Company made this assertion in good faith based upon all available guidance and accounted for the PPP Loan as a debt instrument
in accordance with FASB ASC 470, Debt. The Company used the proceeds from the PPP Loan to retain employees, maintain payroll and
make lease, rent and utility payments.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Under
the terms of the PPP Loan, the Company was eligible for full or partial loan forgiveness. The Company received full forgiveness
of the PPP Loan during the first quarter of 2021 and recognized a $<span id="xdx_900_eus-gaap--GainsLossesOnExtinguishmentOfDebt_pn5n6_c20210101__20210331__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zDV7oRx0lPck" title="Gain on extinguishment">1.4</span> million gain on extinguishment and forgiveness of debt
in other income (see Note 5 - Other Expense (Income)).</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BF_zgU8VjtxVEl2">At
December 31, 2020, $<span id="xdx_90B_eus-gaap--LongTermDebtNoncurrent_iI_pn3n3_c20201231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_zQbVmjeMsGTi" title="Long-term debt">633</span> of principal payments due were recorded as long-term debt and $<span id="xdx_90A_eus-gaap--LongTermDebtCurrent_iI_pn3n3_c20201231__us-gaap--DebtInstrumentAxis__custom--PaycheckProtectionProgramLoanMember_z2DsccK9JJl1" title="Current debt">780</span> as current debt in accordance with
the enactment of the Paycheck Protection Program Flexibility Act of 2020.</span></span></p>

<p id="xdx_894_eus-gaap--ScheduleOfDebtTableTextBlock_zjXLkyWiSYO2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/>
<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; display: none"><span id="xdx_8B5_zGoxOS31HVKa">Schedule of debt</span></p>
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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_497_20210930_zxSiANmGw08b" style="font-weight: bold; text-align: center">September 30,</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_493_20201231_zZt4x67JylAc" style="font-weight: bold; text-align: center">December 31,</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
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    <td style="width: 54%; text-align: left">PPP Loan</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0692">&#8212;</span></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">1,413</td><td style="width: 1%; text-align: left">&#160;</td></tr>
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    <td style="text-align: left; padding-bottom: 1pt">Less: current portion</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"><span style="-sec-ix-hidden: xdx2ixbrl0695">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</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">780</td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr id="xdx_402_eus-gaap--LongTermDebtNoncurrent_iI_maLTDNzgf5_zAG2WF3p9Fwd" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total long-term obligations</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0698">&#8212;</span></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">633</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"/>

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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for information about short-term and long-term debt arrangements, which includes amounts of borrowings under each line of credit, note payable, commercial paper issue, bonds indenture, debenture issue, own-share lending arrangements and any other contractual agreement to repay funds, and about the underlying arrangements, rationale for a classification as long-term, including repayment terms, interest rates, collateral provided, restrictions on use of assets and activities, whether or not in compliance with debt covenants, and other matters important to users of the financial statements, such as the effects of refinancing and noncompliance with debt covenants.</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><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 1B<br> -Subparagraph (h)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495323-112611<br><br>Reference 3: 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 1C<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495334-112611<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 1I<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495371-112611<br><br>Reference 5: 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 1I<br> -Subparagraph (d)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495371-112611<br><br>Reference 6: 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(c))<br> -URI http://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 7: 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 (g)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495323-112611<br><br>Reference 8: 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 1C<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495334-112611<br><br>Reference 9: 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 1C<br> -Subparagraph (a)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495334-112611<br><br>Reference 10: 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 (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495348-112611<br><br>Reference 11: 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> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495323-112611<br><br>Reference 12: 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 1I<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495371-112611<br><br>Reference 13: 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 (i)<br> -URI http://asc.fasb.org/extlink&amp;oid=123466505&amp;loc=SL123495323-112611<br></p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282680080600">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STOCKHOLDERS&#8217; EQUITY<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_EquityAbstract', window );"><strong>Equity [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
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<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_StockholdersEquityNoteDisclosureTextBlock', window );">STOCKHOLDERS&#8217; EQUITY</a></td>
<td class="text"><p id="xdx_803_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zFbCrWDIOhnh" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>10.<span id="xdx_826_zwYrgLTmRkNc">
STOCKHOLDERS&#8217; EQUITY</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>Common
Stock</b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company had <span id="xdx_90E_eus-gaap--CommonStockSharesOutstanding_iI_pid_uShares_c20201231_zBH54qxlWex7" title="Common stock, outstanding shares">8,726,045</span> shares of common stock, $<span id="xdx_903_eus-gaap--CommonStockParOrStatedValuePerShare_iI_pid_uUSDPShares_c20201231_zKDmjJKB0IP9" title="Common stock, par value (in dollars per share)">0.001</span> par value per share, outstanding as of September 30, 2021 and December 31,
2020.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b>Stock-Based
Compensation</b></span></p>

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

<p id="xdx_89F_eus-gaap--ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock_zFujuKxQZlm2" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8BD_zyXsX27irag3">A
summary of stock option activity under the 2011 Long-Term Incentive Plan as of September 30, 2021, and changes during the nine
months ended September 30, 2021, are presented below:</span></span></p>

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

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

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    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">Weighted average<br/> exercise price</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td style="width: 20%; text-align: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Outstanding as of January 1, 2021</span></td><td style="width: 1%">&#160;</td>
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    <td style="text-align: left; padding-left: 0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Granted</span></td><td>&#160;</td>
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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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    <td style="text-align: left; padding-left: 0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Exercised</span></td><td>&#160;</td>
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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>
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    <td style="text-align: left; padding-left: 0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Forfeited</span></td><td style="padding-bottom: 1pt">&#160;</td>
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    <td style="border-bottom: Black 1pt solid; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; text-align: right">&#160;</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: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Outstanding as of September 30, 2021</span></td><td style="padding-bottom: 2.5pt">&#160;</td>
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    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_981_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice_iE_pid_c20210101__20210930_zPWDQcslRX1k" style="border-bottom: Black 2.5pt double; text-align: right" title="Outstanding at end of period">5.41</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
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    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_98B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue_iE_pn3n3_c20210101__20210930_z4mJsXxS8Ky2" style="border-bottom: Black 2.5pt double; text-align: right" title="Outstanding at end of period">117</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
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    <td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Exercisable as of September 30, 2021</span></td><td style="padding-bottom: 2.5pt">&#160;</td>
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    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td id="xdx_985_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice_iE_pid_uUSDPShares_c20210101__20210930_zryuhtR9I5B3" style="border-bottom: Black 2.5pt double; text-align: right" title="Exercisable at end of period">6.54</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">&#160;</td><td style="border-bottom: Black 2.5pt double; text-align: right"><span id="xdx_90E_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1_dtY_c20210101__20210930_z38IV2aenKp4" title="Exercisable at end of period">5.10</span></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"/>

<p id="xdx_8AE_zOfYJaUDNSM4" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">As
of September 30, 2021, there were <span id="xdx_90C_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_pid_do_c20210930__us-gaap--PlanNameAxis__custom--LongTermIncentivePlanMember_z1h1CaZFldWb" title="Number of shares available for future grants">no</span> shares available for future grants under the Company&#8217;s 2011 Long-Term Incentive Plan.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">Stock-based
compensation expense recorded for the three and nine months ended September 30, 2021 was approximately $<span id="xdx_90A_eus-gaap--ShareBasedCompensation_pn3n3_c20210701__20210930_z9GlizmP7IA" title="Stock-based compensation">58</span> and $<span id="xdx_90D_eus-gaap--ShareBasedCompensation_pn3n3_c20210101__20210930_z9jGhXQNpTI5">129</span>, respectively,
as compared to an insignificant amount of stock-based compensation expense during the three and nine months ended September 30,
2020. At September 30, 2021, the Company had total stock-based compensation expense remaining to be recognized in the consolidated
statements of operations of approximately $<span id="xdx_907_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized_iI_pn3n3_c20210930_zowkUnS0Ef5g" title="Stock-based compensation not yet recognized">134</span>.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company&#8217;s 2011 Long-Term Incentive Plan expired during the second quarter of 2021 and there was no plan in effect at September
30, 2021.</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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679059416">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>BASIC AND DILUTED (LOSS) INCOME PER COMMON SHARE<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_EarningsPerShareAbstract', window );"><strong>Earnings Per Share [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<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_EarningsPerShareTextBlock', window );">BASIC AND DILUTED (LOSS) INCOME PER COMMON SHARE</a></td>
<td class="text"><p id="xdx_807_eus-gaap--EarningsPerShareTextBlock_zZ6GRpeJ6D05" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>11.
<span id="xdx_82F_z9ty1pZPNup4">BASIC AND DILUTED (LOSS) INCOME PER COMMON SHARE</span></b></span></p>

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

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and diluted (loss) income per common share is calculated based on the weighted average number of shares outstanding during the
period. The Company&#8217;s employee and director stock option awards, as well as incremental shares issuable upon exercise of
warrants, are not considered in the calculations if the effect would be anti-dilutive. <span id="xdx_8B5_z56LDcLhDzo9">The following table sets forth the computation
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify">&#160;</p>

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

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    <td id="xdx_491_20210701__20210930_zLc7EVjjI8P2" style="font-weight: bold; text-align: center">&#160;</td>
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    <td id="xdx_498_20200101__20200930_zC1oFsW0RyA9" style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282693656888">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_SegmentReportingAbstract', window );"><strong>Segment Reporting [Abstract]</strong></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_SegmentReportingDisclosureTextBlock', window );">BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION</a></td>
<td class="text"><p id="xdx_80A_eus-gaap--SegmentReportingDisclosureTextBlock_zlbh7Ihk82I9" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><b>12.
<span id="xdx_82C_zYL7xQX4X5z8">BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION</span></b></span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
Company follows ASC 280 - Segment Reporting in determining its reportable segments. The Company considered the way its
management team, most notably its chief operating decision maker, makes operating decisions and assesses performance and
considered which components of the Company&#8217;s enterprise have discrete financial information available. As the Company
makes decisions using a manufactured products vs. distributed products and services group focus, its analysis resulted in <span id="xdx_909_eus-gaap--NumberOfReportableSegments_dc_uNumber_c20210101__20210930_zEU9MIitHjG7" title="Number of reportable segments">two</span>
reportable segments: T&amp;D Solutions and Critical Power. The Critical Power reportable segment is the Company&#8217;s Titan
Energy Systems, Inc. business unit. The T&amp;D Solutions reportable segment is the Company&#8217;s Pioneer Custom Electrical
Products Corp. business unit.</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">The
T&amp;D Solutions segment is involved in the design, manufacture and distribution of switchgear used primarily by large industrial
and commercial operations to manage their electrical power distribution needs. The Critical Power segment provides new and used
power generation equipment and aftermarket field-services primarily to help customers ensure smooth, uninterrupted power to operations
during times of emergency.</span></p>

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

<p id="xdx_89E_eus-gaap--ScheduleOfSegmentReportingInformationBySegmentTextBlock_zZoQWxtrYF16" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif"><span id="xdx_8B7_z1z9IbqgvAz9">The
following tables present information about segment loss and income</span>:</span></p>

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">Three
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    <td colspan="6" style="font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">Nine
    Months Ended</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
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<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
    <td style="text-align: left; vertical-align: bottom"><span style="font: 10pt Times New Roman, Times, Serif">Revenues</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
    <td style="text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">T&amp;D
    Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 33%; text-align: left; padding-bottom: 1pt; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Switchgear</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zgWJzLpN1Is1" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,507</span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_982_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zeheSZGozS6g" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">7,980</span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember__srt--ProductOrServiceAxis__custom--SwitchgearMember_zmMr9uN2Y4qf" style="border-bottom: Black 1pt solid; width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">7,370</span></td><td style="width: 1%; padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
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<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    Power Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zV4pUV0rTond" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">891</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Service</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zrsVkV2gm8Sl" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,995</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zEHrf1MF6FZ5" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,133</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zMVj03AlVeUh" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,454</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zYaiMiNZefj7" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,877</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zonFLIwqwQlb" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,689</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zF7ksm5SuRI2" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,544</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zdphg0TJXTw5" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,833</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_z6oMbhFnnh3e" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,768</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Consolidated</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200701__20200930_zTQEGOrbOcj9" style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">4,051</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/>

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

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">Depreciation and amortization</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 33%; text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">T&amp;D
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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">Critical
    Power Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zlmQxxjmJqQe" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">257</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zy2UAwyXwICg" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">240</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Unallocated
    corporate overhead expenses</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z7OAoO5X98L6" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">25</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Consolidated</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"/>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif"/></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
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<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">Operating (loss) income</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 33%; text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">T&amp;D
    Solutions</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zKT7PNz1v8zg" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(100</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zV61vONxa7zj" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">50</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zRgX3ibq9ylk" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(664</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zJtgTMuV0mah" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(1,353</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">Critical
    Power Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zw4CxMZRtIz2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">160</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zRUrCsK3IcF7" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">37</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zNLDTMj1nzG2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">34</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zW8pvt1x4SP7" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(363</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<p id="xdx_8A1_z3zctZ8X3qLa" style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red">&#160;</p>

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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif"/></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
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    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
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<tr style="vertical-align: bottom">
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679707864">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LEASES<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
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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_ppsi_LeasesTextBlock', window );">LEASES</a></td>
<td class="text"><p id="xdx_800_ecustom--LeasesTextBlock_zY8hsVsJWSCk" style="font: 10pt Times New Roman, Times, Serif; margin: 0"><b>13. <span id="xdx_82F_zy9rM3MKsoO8">LEASES</span></b></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The Company leases certain offices, facilities
and equipment under operating and financing leases. Our leases have remaining terms ranging from less than <span id="xdx_904_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dtY_c20210930__srt--RangeAxis__srt--MinimumMember_z6HHYNcBWUDk" title="Lease term">1</span>
year to <span id="xdx_90D_eus-gaap--LesseeOperatingLeaseTermOfContract_iI_dtY_c20210930__srt--RangeAxis__srt--MaximumMember_zTmLJi8zJwjh">5</span>
years some of which contain options to extend up to <span id="xdx_90A_eus-gaap--LesseeOperatingLeaseRenewalTerm_iI_dtY_c20210930__srt--RangeAxis__srt--MaximumMember_zAehS8Wh1U98" title="Lease renewal term">5</span>
years. As of September 30, 2021 and 2020, assets recorded under finance leases were $<span id="xdx_902_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pn5n6_c20210930_zGDAFYqRIWxf" title="Finance lease assets">1.4</span>
million and $<span id="xdx_903_eus-gaap--FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization_iI_pn5n6_c20200930_zlD9BNCUbKK">1.4</span>
million, respectively, and accumulated amortization associated with finance leases were $<span id="xdx_90C_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pn3n3_c20210930_z2vGL62mo0T2" title="Finance leases accumulated depreciation">947</span>
and $<span id="xdx_909_eus-gaap--FinanceLeaseRightOfUseAssetAccumulatedAmortization_iI_pn3n3_c20200930_zrOcU8VE3136">711</span>,
respectively. As of September 30, 2021 and 2020, assets recorded under operating leases were $<span id="xdx_900_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn5n6_c20210930_zGXeZXudE3n6" title="Operating lease assets">3.9</span>
million and $<span id="xdx_90B_eus-gaap--OperatingLeaseRightOfUseAsset_iI_pn5n6_c20200930_z6snaqrYWst6">2.1</span> million,
respectively, and accumulated amortization associated with operating leases were $<span id="xdx_903_ecustom--OperatingLeaseRightOfUseAssetAccumulatedAmortization_iI_pn5n6_c20210930_zN37P3i19ygh" title="Operating leases accumulated depreciation">2.1</span>
million and $<span id="xdx_908_ecustom--OperatingLeaseRightOfUseAssetAccumulatedAmortization_iI_pn5n6_c20200930_z4KmyyA8HYgk">1.5</span>
million, respectively. During the three months ended September 30, 2021, the Company executed an extension of its operating lease for the
manufacturing facility in Santa Fe Springs, California. After adjusting for a weighted average discount rate, the Company recognized a
right-of-use asset and lease liability of approximately $<span id="xdx_909_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_pn5n6_c20210701__20210930_zSSt7tXWlYx2" title="Right-of-use asset and lease liability recognized">1.4</span> million within the consolidated balance sheets.</p>

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

<p id="xdx_89F_eus-gaap--LeaseCostTableTextBlock_zsrh6tVGoZ6d" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">The components of the lease expense were as follows:</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in">
  <tr style="vertical-align: bottom; background-color: White">
    <td>&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_490_20210701__20210930_zrjZJ6wi6Pm2" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_498_20200701__20200930_zEwJkaDjvO79" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_497_20210101__20210930_z80UYRbZuNLi" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_49A_20200101__20200930_z59oaMTYXauf" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="font: 11pt Calibri, Helvetica, Sans-Serif">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td colspan="7" style="text-align: center">Three Months Ended</td><td style="font-weight: bold">&#160;</td>
    <td colspan="7" style="text-align: center">Nine Months Ended</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="7" style="border-bottom: Black 1pt solid; text-align: center">September 30,</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="7" style="border-bottom: Black 1pt solid; text-align: center">September 30,</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2021</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2020</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2021</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2020</td></tr>
  <tr id="xdx_407_eus-gaap--OperatingLeaseCost_zua21G5g55Gk" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 40%; text-align: left; padding-bottom: 2.5pt">Operating lease cost</td><td style="width: 3%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right">173</td><td style="width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="width: 3%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right">162</td><td style="width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="width: 3%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right">456</td><td style="width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="width: 3%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right">500</td><td style="width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</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><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 id="xdx_40F_ecustom--FinanceLeasesCostAbstract_iB_zlt6icrZEamk" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">Finance lease cost</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><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 id="xdx_40D_eus-gaap--FinanceLeaseRightOfUseAssetAmortization_i01_zQUXtqUTln41" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">&#160;&#160;&#160;Amortization of right-of-use asset</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">62</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">64</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">219</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">$</td><td style="text-align: right">196</td><td style="text-align: left">&#160;</td></tr>
  <tr id="xdx_40F_eus-gaap--FinanceLeaseInterestExpense_i01_zmkYmA5SqCNg" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt">&#160;&#160;&#160;Interest on lease liabilities</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">9</td><td style="padding-bottom: 1pt; text-align: left">&#160;</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">13</td><td style="padding-bottom: 1pt; text-align: left">&#160;</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">30</td><td style="padding-bottom: 1pt; text-align: left">&#160;</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">41</td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
  <tr id="xdx_400_ecustom--FinanceLeaseCost_i01_zc2wTGlyPV8e" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt">Total finance lease cost</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">71</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">77</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">249</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">237</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
  </table>


<p id="xdx_8AC_zsMJnRmpo771" 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">Other information related to leases was as follows:</p>

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

<p id="xdx_89D_ecustom--LesseeLeaseCashFlowsTableTextBlock_zuKEuGu8yOAj" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Supplemental Cash Flows Information</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in">
  <tr style="vertical-align: bottom">
    <td style="text-align: left"/><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_49E_20210101__20210930_zChBRztTpXzi" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_49A_20200101__20200930_z3W10QoZAohk" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="7" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">September 30,</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td></tr>
  <tr style="vertical-align: bottom">
    <td>Cash paid for amounts included in the measurement of lease liabilities</td><td>&#160;</td>
    <td colspan="3" style="text-align: right">&#160;</td><td>&#160;</td>
    <td colspan="3" style="text-align: right">&#160;</td></tr>
  <tr id="xdx_405_eus-gaap--OperatingLeasePayments_z7xawaPV65Zi" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 56%; text-align: left">&#160;&#160;&#160;Operating cash flow payments for operating leases</td><td style="width: 8%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 12%; text-align: right">449</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 8%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 12%; text-align: right">508</td><td style="width: 1%; text-align: left">&#160;</td></tr>
  <tr id="xdx_40A_eus-gaap--FinanceLeaseInterestPaymentOnLiability_z49MHkr6aGGf" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">&#160;&#160;&#160;Operating cash flow payments for finance leases</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">30</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">41</td><td style="text-align: left">&#160;</td></tr>
  <tr id="xdx_404_ecustom--FinanceLeasePrincipalPayments1_zhZKqshXatU8" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">&#160;&#160;&#160;Financing cash flow payments for finance leases</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">226</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">177</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Right-of-use assets obtained in exchange for lease obligations</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 id="xdx_401_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_z24R1MylS0va" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 9px">Operating lease liabilities arising from obtaining right of use assets</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">1,418</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">463</td><td style="text-align: left">&#160;</td></tr>
  <tr id="xdx_40F_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_zb3IX5EDMpGi" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px">Capitalized lease obligations</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0934">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">64</td><td style="text-align: left">&#160;</td></tr>
  </table>


<p id="xdx_8AF_zutLCDXDrzs4" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>

<p id="xdx_896_ecustom--LesseeLeaseTermsTableTextBlock_zdnrSskRBsIl" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Weighted Average Remaining Lease Term</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; display: none; text-align: justify"><span id="xdx_8B2_zGbJ1o9O7UHf">Weighted Average Remaining Lease Term and Weighted Average Discount Rate</span></p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in">
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="7" style="border-bottom: Black 1pt solid; text-align: center">September 30,</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2021</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2020</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td>Operating leases</td><td>&#160;</td>
    <td colspan="3" style="vertical-align: middle; text-align: center"><span id="xdx_90D_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20210930_z4Pp7M4Q5Ys2">3</span> years</td><td>&#160;</td>
    <td colspan="3" style="vertical-align: bottom; text-align: center"> <span id="xdx_907_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20200930_zlkbwaJHlC4e">2</span> years</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td>Finance leases</td><td>&#160;</td>
    <td colspan="3" style="vertical-align: bottom; text-align: center"><span id="xdx_900_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20210930_zLW6KF3wKbX3">2</span> years</td><td>&#160;</td>
    <td colspan="3" style="vertical-align: bottom; text-align: center"><span id="xdx_906_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20200930_zQSZmPukDqk6">2</span> years</td></tr>
  <tr style="vertical-align: bottom">
    <td style="text-align: left; width: 56%"><span style="font-size: 2pt">&#160;</span></td><td style="width: 8%"><span style="font-size: 2pt">&#160;</span></td>
    <td style="text-align: left; width: 1%"><span style="font-size: 2pt">&#160;</span></td><td style="text-align: right; width: 12%"><span style="font-size: 2pt">&#160;</span></td><td style="text-align: left; width: 1%"><span style="font-size: 2pt">&#160;</span></td><td style="width: 8%"><span style="font-size: 2pt">&#160;</span></td>
    <td style="text-align: left; width: 1%"><span style="font-size: 2pt">&#160;</span></td><td style="text-align: right; width: 12%"><span style="font-size: 2pt">&#160;</span></td><td style="text-align: left; width: 1%"><span style="font-size: 2pt">&#160;</span></td></tr>
  </table>



<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">Weighted Average Discount Rate</p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; width: 85%; border-collapse: collapse; margin-right: auto">
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="4" style="text-align: center">September 30,</td></tr>
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="2" style="border-top: black 1pt solid; text-align: center">2021</td>
    <td colspan="2" style="border-top: black 1pt solid; text-align: center">2020</td></tr>
  <tr style="background-color: #CCEEFF">
    <td style="vertical-align: middle; width: 74%">Operating leases</td>
    <td id="xdx_989_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20210930_zNmYUW9L9Rfl" style="border-top: black 1pt solid; vertical-align: top; text-align: right; width: 10%">5.50</td>
    <td style="vertical-align: middle; width: 3%">%</td>
    <td id="xdx_980_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20200930_zEPQrvs97YP1" style="border-top: black 1pt solid; vertical-align: top; text-align: right; width: 10%">5.50</td>
    <td style="vertical-align: middle; width: 3%">%</td></tr>
  <tr style="background-color: white">
    <td style="vertical-align: middle">Finance leases</td>
    <td id="xdx_984_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20210930_zhax3OsNnOOg" style="vertical-align: top; text-align: right">6.76</td>
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    <td id="xdx_989_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20200930_zwU2p4sS3xCl" style="vertical-align: top; text-align: right">6.75</td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>


<p id="xdx_8AD_z6l1Q9FGuqil" 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">&#160;</p>

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

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in">
  <tr>
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  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td style="width: 71%">2021</td>
    <td style="text-align: right; width: 3%">&#160;</td>
    <td id="xdx_983_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maOL_c20210930_zCfRdCv3vPd6" style="text-align: right; width: 11%" title="Operating Leases, 2021">184</td>
    <td style="text-align: right; width: 1%">&#160;</td>
    <td style="text-align: right; width: 3%">&#160;</td>
    <td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maFL_c20210930_zIlJwNG6oi39" style="text-align: right; width: 11%" title="Finance Leases, 2021">66</td></tr>
  <tr style="vertical-align: bottom">
    <td>2022</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_988_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maOL_c20210930_zaJPAm6X5j3j" style="text-align: right" title="Operating Leases, 2022">684</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maFL_c20210930_zMqX0ia3spxi" style="text-align: right" title="Finance Leases, 2022">195</td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td>2023</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98E_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_maOL_c20210930_zr1nSONRszc7" style="text-align: right" title="Operating Leases, 2023">610</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_maFL_c20210930_zuWI8jd4EFKe" style="text-align: right" title="Finance Leases, 2023">257</td></tr>
  <tr style="vertical-align: bottom">
    <td>2024</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_maOL_c20210930_zbYMPwEDWESj" style="text-align: right" title="Operating Leases, 2024">446</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_maFL_c20210930_zgQ4FSymcDed" style="text-align: right" title="Finance Leases, 2024">21</td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td>2025</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_maOL_c20210930_zMsrySLy5rQc" style="text-align: right" title="Operating Leases, 2025">95</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_986_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_maFL_c20210930_zZ724x6sAH1g" style="text-align: right" title="Finance Leases, 2025"><span style="-sec-ix-hidden: xdx2ixbrl0967">&#8212;</span></td></tr>
  <tr style="vertical-align: bottom">
    <td>Thereafter</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_maOL_c20210930_zzMdN00He8Y1" style="text-align: right" title="Operating Leases, Thereafter">24</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_maFL_c20210930_zz7BM1MZKcMc" style="text-align: right" title="Finance Leases, Thereafter"><span style="-sec-ix-hidden: xdx2ixbrl0971">&#8212;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
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    <td style="border-top: Black 0.5pt solid; text-align: right">&#160;</td>
    <td id="xdx_98C_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iTI_mtOL_c20210930_zJnF4nNF9msj" style="border-top: Black 0.5pt solid; text-align: right" title="Operating Leases, Total future minimum lease payments">2,043</td>
    <td style="text-align: right">&#160;</td>
    <td style="border-top: Black 0.5pt solid; text-align: right">&#160;</td>
    <td id="xdx_98D_eus-gaap--FinanceLeaseLiabilityPaymentsDue_iTI_mtFL_c20210930_zwSGILCjM5gf" style="border-top: Black 0.5pt solid; text-align: right" title="Finance Leases, Total future minimum lease payments">539</td></tr>
  <tr style="vertical-align: bottom">
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    <td id="xdx_985_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zKzQAfOAXIoj" style="text-align: right" title="Operating Leases, Less imputed interest">(171)</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98D_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zzgn33IZpRpk" style="text-align: right" title="Finance Leases, Less imputed interest">(40)</td></tr>
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    <td>&#160;&#160;&#160;Total future minmum lease payments</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td id="xdx_987_eus-gaap--OperatingLeaseLiability_iI_c20210930_zw2iQQFrjBz8" style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right" title="Operating Leases, Total future minmum lease payments">1,872</td>
    <td style="text-align: right">&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td id="xdx_983_eus-gaap--FinanceLeaseLiability_iI_c20210930_znhX3uaWjvo2" style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right" title="Finance Leases, Total future minmum lease payments">499</td></tr>
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<p id="xdx_8AA_zfSDlFetRMve" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</p>


<p id="xdx_896_ecustom--LeasesOfLesseeReportedDisclosureTableTextBlock_zWfrYShskFd1" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Reported as of September 30, 2021:</p>

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

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in">
  <tr>
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    <td colspan="2" id="xdx_481_eus-gaap--OperatingLeaseLiability_iI_zGG1dmNZRkNj" style="vertical-align: bottom; text-align: center">Operating&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td>
    <td colspan="2" id="xdx_483_eus-gaap--FinanceLeaseLiability_iI_ztQvU63RvDc9" style="vertical-align: bottom; text-align: center">Finance</td></tr>
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    <td>&#160;</td>
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    <td style="text-align: center">&#160;</td>
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  <tr id="xdx_418_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--AccountsPayableAndAccruedLiabilitiesMember_ziRXhvB4BpYf" style="vertical-align: bottom; background-color: #CCECFF">
    <td style="width: 71%">Accounts payable and accrued liabilities</td>
    <td style="text-align: right; width: 3%">&#160;$&#160;</td>
    <td style="text-align: right; width: 11%">613</td>
    <td style="text-align: right; width: 1%">&#160;</td>
    <td style="text-align: right; width: 3%">&#160;$&#160;</td>
    <td style="text-align: right; width: 11%">194</td></tr>
  <tr id="xdx_416_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--OtherNoncurrentLiabilitiesMember_zEYkpuF5nE8d" style="vertical-align: bottom">
    <td>Other long-term liabilities</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">1,259</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">305</td></tr>
  <tr id="xdx_413_20210930_z06Jds5DWchd" style="vertical-align: bottom; background-color: #CCECFF">
    <td style="padding-left: 9px; text-align: left">Total</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">1,872</td>
    <td style="text-align: right">&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">499</td></tr>
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<p id="xdx_8A9_zHWYYcRgQLQl" 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">&#160;</p>
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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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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure of 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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679107080">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SUBSEQUENT EVENTS<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 30, 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_SubsequentEventsAbstract', window );"><strong>Subsequent Events [Abstract]</strong></a></td>
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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_SubsequentEventsTextBlock', window );">SUBSEQUENT EVENTS</a></td>
<td class="text"><p id="xdx_804_eus-gaap--SubsequentEventsTextBlock_zWsusaRXUghh" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify"><b>14. <span id="xdx_82D_z3kk6ZFguUhb">SUBSEQUENT EVENTS</span></b></p>

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<p style="font: 10pt Times New Roman, Times, Serif; margin: 0">On October 20, 2020, we entered into an At The Market Sale Agreement with
H.C. Wainwright &amp; Co., LLC (&#8220;Wainwright&#8221;), pursuant to which we may offer and sell our common shares having an aggregate
price of up to $<span id="xdx_908_ecustom--AggregatePriceMarketSaleAgreement_pn5n6_c20201019__20201020_zBG8WCpqPe8e" title="Aggregate price market sale agreement">9.0</span> million from time to time through Wainwright, acting as agent or principal (the &#8220;ATM Program&#8221;). Shares
of common stock are offered pursuant to a sales agreement prospectus included in the Company&#8217;s shelf registration on Form S-3 filed
with the Securities and Exchange Commission on October 20, 2020, which was declared effective on October 27, 2020. On November 8, 2021,
we sold <span id="xdx_905_eus-gaap--StockIssuedDuringPeriodSharesNewIssues_pdp0_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_ziwXx77PV5sg" title="Shares issued under ATM Program">888,500</span> shares of common stock under the ATM Program, for total gross proceeds of approximately $<span id="xdx_90B_eus-gaap--StockIssuedDuringPeriodValueNewIssues_pn5n6_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_z8fVWqxQlLRh" title="Gross proceeds from ATM Program">9.0</span> million, at an average price
of $<span id="xdx_90C_eus-gaap--SharesIssuedPricePerShare_iI_pip0_c20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_z5CvVSKgVaO4" title="Price per share">10.1288</span> per share. We incurred approximately $<span id="xdx_903_eus-gaap--PaymentsOfStockIssuanceCosts_pn3n3_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_z2EjhcbyGR4b" title="Costs related to common shares issued">273</span> of costs related to the common shares issued (including a placement fee of <span id="xdx_90B_ecustom--PlacementFeePercentage_iI_pip0_dp_c20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zxzQWRpkcnO2" title="Placement fee (percent)">3.0%</span>,
or approximately $<span id="xdx_90D_ecustom--PlacementFeeExpense_pn3n3_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zcItKtzUFYh3" title="Placement fee">270</span>, to Wainwright), resulting in net proceeds of approximately $<span id="xdx_90D_eus-gaap--ProceedsFromIssuanceOfCommonStock_pn5n6_c20211107__20211108__us-gaap--SubsequentEventTypeAxis__us-gaap--SubsequentEventMember_zEw2VEiB0Vc5" title="Net proceeds from stock issued under ATM Program">8.7</span> million.</p>

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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677582792">
<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">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></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_NewAccountingPronouncementsPolicyPolicyTextBlock', window );">Recent Accounting Pronouncements</a></td>
<td class="text"><p id="xdx_841_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zvueouz8enYc" style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><b><span id="xdx_860_zMp9hVrAfSo">Recent
Accounting Pronouncements</span></b></span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">There
have been no recent accounting pronouncements not yet adopted by the Company which would have a material impact on the Company&#8217;s
financial statements.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Income
Taxes</i>. In December 2019, the FASB issued ASU No. 2019-12, Income Taxes (Topic 740), which simplifies the accounting for income
taxes by removing certain exceptions to the general principles in Topic 740 and also clarifies and amends existing guidance to
improve consistent application. The ASU is effective for all annual and interim periods beginning December 15, 2020, with early
adoption permitted. The Company adopted this guidance on January 1, 2021. The adoption of this ASU did not have a material impact
on the consolidated financial statements.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Fair
Value Measurement</i>. In August 2018, the FASB issued ASU No. 2018-13, Fair Value Measurement (Topic 820): Disclosure Framework
- Changes to the Disclosure Requirements for Fair Value Measurement that eliminates, amends, and adds certain disclosure requirements
for fair value measurements. The Company adopted this guidance on January 1, 2020. The adoption of this ASU did not have a material
impact on the consolidated financial statements.</span></p>

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

<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif"><i>Measurement
of Credit Losses on Financial Instrument</i>. In June 2016, the FASB issued amended guidance to ASU No. 2016-13, Financial Instruments
- Credit Losses (Topic 326): Measurement of Credit Losses on Financial Instruments that changes the impairment model for most
financial assets and certain other instruments. For trade and other receivables, held-to-maturity debt securities, loans and other
instruments, entities will be required to use a new forward-looking &#8220;expected loss&#8221; model that will replace today&#8217;s
&#8220;incurred loss&#8221; model and generally will result in the earlier recognition of allowances for losses. For available-for-sale
debt securities with unrealized losses, entities will measure credit losses in a manner similar to current practice, except that
the losses will be recognized as an allowance. This amended guidance for small reporting companies is effective for fiscal years
beginning after December 15, 2022, including interim periods within those fiscal years. Entities will apply the standard&#8217;s
provisions as a cumulative-effect adjustment to retained earnings as of the beginning of the first effective reporting period.
The Company does not expect that the amended guidance will have a material effect on our consolidated financial statements and
related disclosures.</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;">us-gaap_AccountingPoliciesAbstract</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">
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677586232">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>BASIS OF PRESENTATION (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_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">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_ReconciliationOfCashAndRestrictedCashTableTextBlock', window );">The following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows:</a></td>
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following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum
to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows:</span></span></p>

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

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

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    <td>&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_49A_20210930_ze4PCG3pugb1" style="font-weight: bold; text-align: center">September 30,</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td id="xdx_499_20201231_zPW6JLcqysMc" style="font-weight: bold; text-align: center">December 31,</td><td style="font-weight: bold">&#160;</td></tr>
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    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
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    <td style="width: 54%">Cash</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">3,372</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">7,567</td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr id="xdx_405_eus-gaap--RestrictedCash_iI_pn3n3_maCCERCzUVz_maCCERCz7Wp_zKHUQjh7E8C3" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt">Restricted 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">1,775</td><td style="padding-bottom: 1pt; text-align: left">&#160;</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"><span style="-sec-ix-hidden: xdx2ixbrl0543">&#8212;</span></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
<tr id="xdx_402_eus-gaap--CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents_iTI_pn3n3_mtCCERCzUVz_mtCCERCz7Wp_z56lGOPB4Fr1" style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">5,147</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of reconciliation of cash and restricted cash.</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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677717304">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUES (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_RevenueFromContractWithCustomerAbstract', window );"><strong>Revenue from Contract with Customer [Abstract]</strong></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_DisaggregationOfRevenueTableTextBlock', window );">The following table presents our revenues disaggregated by revenue discipline:</a></td>
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following table presents our revenues disaggregated by revenue discipline:</span></span></p>

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

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

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<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">September 30,</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">September 30,</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td></tr>
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    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td style="text-align: left; width: 28%; vertical-align: bottom">Products</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210701__20210930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zax9rqfvZ0Lg" style="width: 10%; text-align: right">3,690</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200701__20200930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zZsFmqxmvxN3" style="width: 10%; text-align: right">1,918</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20210101__20210930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zQcpvz1ECRq4" style="width: 10%; text-align: right">9,359</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td id="xdx_985_eus-gaap--RevenueFromContractWithCustomerExcludingAssessedTax_pn3n3_c20200101__20200930__srt--ProductOrServiceAxis__us-gaap--ProductMember_zfYHMgfIYqD1" style="width: 10%; text-align: right">8,261</td><td style="width: 1%; text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom; background-color: White">
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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 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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677627480">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>INVENTORIES (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 30, 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_InventoryDisclosureAbstract', window );"><strong>Inventory Disclosure [Abstract]</strong></a></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_ScheduleOfInventoryCurrentTableTextBlock', window );">The components of inventories are summarized below</a></td>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; margin-left: 0; text-align: justify"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

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    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">1,840</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">1,719</td><td style="width: 1%; text-align: left">&#160;</td></tr>
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    <td style="text-align: left">&#160;</td><td style="text-align: right">2,457</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">1,420</td><td style="text-align: left">&#160;</td></tr>
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    <td style="text-align: left; padding-bottom: 1pt">Provision for excess and obsolete inventory</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">(797</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">(736</td><td style="padding-bottom: 1pt; text-align: left">)</td></tr>
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    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total inventories</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">3,500</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">2,403</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
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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>Tabular disclosure of the carrying amount as of the balance sheet date of merchandise, goods, commodities, or supplies held for future sale or to be used in manufacturing, servicing or production 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 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(c))<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 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><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><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 50<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br></p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282693958824">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PROPERTY, PLANT AND EQUIPMENT (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 30, 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_PropertyPlantAndEquipmentAbstract', window );"><strong>Property, Plant and Equipment [Abstract]</strong></a></td>
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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_PropertyPlantAndEquipmentTextBlock', window );">Property, plant and equipment are summarized below:</a></td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of physical assets used in the normal conduct of business and not intended for resale. Includes, but is not limited to, balances by class of assets, depreciation and depletion expense and method used, including composite depreciation, and accumulated deprecation.</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(13))<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></p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677697800">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DEBT (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
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<td class="text">&#160;<span></span>
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<p style="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; display: none"><span id="xdx_8B5_zGoxOS31HVKa">Schedule of debt</span></p>
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    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td style="width: 54%; text-align: left">PPP Loan</td><td style="width: 1%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0692">&#8212;</span></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 1%">&#160;</td>
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    <td style="text-align: left; padding-bottom: 1pt">Less: current portion</td><td style="padding-bottom: 1pt">&#160;</td>
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    <td style="text-align: left; padding-bottom: 2.5pt; text-indent: 10pt">Total long-term obligations</td><td style="padding-bottom: 2.5pt">&#160;</td>
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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>Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation.</p></div>
<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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677735112">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STOCKHOLDERS&#8217; EQUITY (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 30, 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_ScheduleOfShareBasedCompensationStockOptionsActivityTableTextBlock', window );">A summary of stock option activity under the 2011 Long-Term Incentive Plan as of September 30, 2021, and changes during the nine months ended September 30, 2021, are presented below:</a></td>
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months ended September 30, 2021, are presented below:</span></span></p>

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

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

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    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">Weighted average<br/> exercise price</td><td style="padding-bottom: 1pt; font-weight: bold">&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
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    <td style="width: 20%; text-align: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Outstanding as of January 1, 2021</span></td><td style="width: 1%">&#160;</td>
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<tr style="vertical-align: bottom; background-color: White">
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<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Outstanding as of September 30, 2021</span></td><td style="padding-bottom: 2.5pt">&#160;</td>
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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 0.125in; text-indent: -0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Exercisable as of September 30, 2021</span></td><td style="padding-bottom: 2.5pt">&#160;</td>
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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure for stock option plans. Includes, but is not limited to, outstanding awards at beginning and end of year, grants, exercises, forfeitures, and weighted-average grant date fair value.</p></div>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677635064">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>BASIC AND DILUTED (LOSS) INCOME PER COMMON SHARE (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 30, 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_ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock', window );">The following table sets forth the computation of basic and diluted (loss) income per share (in thousands, except per share data):</a></td>
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and diluted (loss) income per common share is calculated based on the weighted average number of shares outstanding during the
period. The Company&#8217;s employee and director stock option awards, as well as incremental shares issuable upon exercise of
warrants, are not considered in the calculations if the effect would be anti-dilutive. <span id="xdx_8B5_z56LDcLhDzo9">The following table sets forth the computation
of basic and diluted (loss) income per share (in thousands, except per share data):</span></span></p>

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

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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282695325208">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 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_SegmentReportingAbstract', window );"><strong>Segment Reporting [Abstract]</strong></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_ScheduleOfSegmentReportingInformationBySegmentTextBlock', window );">The following tables present information about segment loss and income</a></td>
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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
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    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
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    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
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<tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zUo162nRtyn1" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,507</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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    Power Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Equipment</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zRqslJ3zQq7d" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,379</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_989_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--EquipmentMember_zV4pUV0rTond" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">891</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Service</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zrsVkV2gm8Sl" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">1,995</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zEHrf1MF6FZ5" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,133</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98B_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zMVj03AlVeUh" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,454</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98F_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember__srt--ProductOrServiceAxis__us-gaap--ServiceMember_zYaiMiNZefj7" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">5,877</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zonFLIwqwQlb" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,689</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_980_eus-gaap--Revenues_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zF7ksm5SuRI2" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">2,544</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_98C_eus-gaap--Revenues_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zdphg0TJXTw5" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,833</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--Revenues_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_z6oMbhFnnh3e" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">6,768</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Consolidated</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20200701__20200930_zTQEGOrbOcj9" style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">4,051</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--Revenues_pn3n3_c20210101__20210930_zy9G50Lo2YO2" style="border-bottom: Black 2.5pt double; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">14,813</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 2.5pt double; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_98A_eus-gaap--Revenues_pn3n3_c20200101__20200930_zJubckjtl14d" style="border-bottom: Black 2.5pt double; text-align: right" title="Revenues"><span style="font: 10pt Times New Roman, Times, Serif">14,138</span></td><td style="padding-bottom: 2.5pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/>

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

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

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center"/>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    Months Ended</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    Months Ended</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
    30,</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2021</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">2020</span></td><td style="padding-bottom: 1pt; font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">Depreciation and amortization</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 33%; text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">T&amp;D
    Solutions</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">Critical
    Power Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zlmQxxjmJqQe" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">257</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_987_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zy2UAwyXwICg" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">240</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt; padding-left: 0.125in"><span style="font: 10pt Times New Roman, Times, Serif">Unallocated
    corporate overhead expenses</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_983_eus-gaap--DepreciationAndAmortization_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z4SmAtuwscZ" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">22</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="border-bottom: Black 1pt solid; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_981_eus-gaap--DepreciationAndAmortization_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--CorporateNonSegmentMember_z7OAoO5X98L6" style="border-bottom: Black 1pt solid; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">25</span></td><td style="padding-bottom: 1pt; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt; padding-left: 18px"><span style="font: 10pt Times New Roman, Times, Serif">Consolidated</span></td><td style="padding-bottom: 2.5pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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</table>



<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"/>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif"/></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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    <td colspan="6" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center"><span style="font: 10pt Times New Roman, Times, Serif">September
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<tr style="vertical-align: bottom">
    <td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">Operating (loss) income</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td></tr>
<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 33%; text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">T&amp;D
    Solutions</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_98E_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zKT7PNz1v8zg" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(100</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zV61vONxa7zj" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">50</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_981_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zRgX3ibq9ylk" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(664</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td><td style="width: 1%"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">$</span></td><td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--TAndDSolutionsSegmentMember_zJtgTMuV0mah" style="width: 10%; text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(1,353</span></td><td style="width: 1%; text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></td></tr>
<tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px"><span style="font: 10pt Times New Roman, Times, Serif">Critical
    Power Solutions</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--OperatingIncomeLoss_pn3n3_c20210701__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zw4CxMZRtIz2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">160</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_984_eus-gaap--OperatingIncomeLoss_pn3n3_c20200701__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zRUrCsK3IcF7" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">37</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_985_eus-gaap--OperatingIncomeLoss_pn3n3_c20210101__20210930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zNLDTMj1nzG2" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">34</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
    <td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td id="xdx_982_eus-gaap--OperatingIncomeLoss_pn3n3_c20200101__20200930__srt--ConsolidationItemsAxis__us-gaap--OperatingSegmentsMember__us-gaap--StatementBusinessSegmentsAxis__custom--CriticalPowerSolutionsSegmentMember_zW8pvt1x4SP7" style="text-align: right"><span style="font: 10pt Times New Roman, Times, Serif">(363</span></td><td style="text-align: left"><span style="font: 10pt Times New Roman, Times, Serif">)</span></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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<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_RevenueFromExternalCustomersByGeographicAreasTableTextBlock', window );">Revenues are attributable to countries based on the location of the Company's customers:</a></td>
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<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></p>

<p style="font: 10pt Arial, Helvetica, Sans-Serif; margin: 0pt 0; text-align: center; color: Red"><span style="font: 10pt Times New Roman, Times, Serif"/></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Arial, Helvetica, Sans-Serif; margin-left: auto; border-collapse: collapse; width: 85%; margin-right: auto">
<tr style="vertical-align: bottom">
    <td style="text-align: right">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td><td style="font-weight: bold">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td>
    <td style="font-weight: bold; text-align: center">&#160;</td><td style="font-weight: bold">&#160;</td></tr>
<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
    <td><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td><td style="font-weight: bold; padding-bottom: 1pt"><span style="font: 10pt Times New Roman, Times, Serif">&#160;</span></td>
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<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom">
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<tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282673544424">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LEASES (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Sep. 30, 2021</div></th></tr>
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    <td style="text-align: left">&#160;</td><td id="xdx_49A_20200101__20200930_z59oaMTYXauf" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom">
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  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2020</td><td style="padding-bottom: 1pt">&#160;</td>
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    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2020</td></tr>
  <tr id="xdx_407_eus-gaap--OperatingLeaseCost_zua21G5g55Gk" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 40%; text-align: left; padding-bottom: 2.5pt">Operating lease cost</td><td style="width: 3%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right">173</td><td style="width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="width: 3%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right">162</td><td style="width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="width: 3%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; width: 1%; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; width: 10%; text-align: right">456</td><td style="width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="width: 3%; padding-bottom: 2.5pt">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
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    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
  <tr id="xdx_40F_ecustom--FinanceLeasesCostAbstract_iB_zlt6icrZEamk" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">Finance lease cost</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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  <tr id="xdx_40D_eus-gaap--FinanceLeaseRightOfUseAssetAmortization_i01_zQUXtqUTln41" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">&#160;&#160;&#160;Amortization of right-of-use asset</td><td>&#160;</td>
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    <td style="text-align: left">$</td><td style="text-align: right">219</td><td style="text-align: left">&#160;</td><td>&#160;</td>
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  <tr id="xdx_40F_eus-gaap--FinanceLeaseInterestExpense_i01_zmkYmA5SqCNg" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-bottom: 1pt">&#160;&#160;&#160;Interest on lease liabilities</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">9</td><td style="padding-bottom: 1pt; text-align: left">&#160;</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">13</td><td style="padding-bottom: 1pt; text-align: left">&#160;</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">30</td><td style="padding-bottom: 1pt; text-align: left">&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
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  <tr id="xdx_400_ecustom--FinanceLeaseCost_i01_zc2wTGlyPV8e" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt">Total finance lease cost</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">71</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">77</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
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  </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_ppsi_LesseeLeaseCashFlowsTableTextBlock', window );">Supplemental Cash Flows Information</a></td>
<td class="text"><p id="xdx_89D_ecustom--LesseeLeaseCashFlowsTableTextBlock_zuKEuGu8yOAj" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Supplemental Cash Flows Information</p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in">
  <tr style="vertical-align: bottom">
    <td style="text-align: left"/><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_49E_20210101__20210930_zChBRztTpXzi" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td id="xdx_49A_20200101__20200930_z3W10QoZAohk" style="text-align: right">&#160;</td><td style="text-align: left">&#160;</td></tr>
<tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="7" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">September 30,</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2021</td><td style="font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; font-weight: bold; text-align: center">2020</td></tr>
  <tr style="vertical-align: bottom">
    <td>Cash paid for amounts included in the measurement of lease liabilities</td><td>&#160;</td>
    <td colspan="3" style="text-align: right">&#160;</td><td>&#160;</td>
    <td colspan="3" style="text-align: right">&#160;</td></tr>
  <tr id="xdx_405_eus-gaap--OperatingLeasePayments_z7xawaPV65Zi" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="width: 56%; text-align: left">&#160;&#160;&#160;Operating cash flow payments for operating leases</td><td style="width: 8%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 12%; text-align: right">449</td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 8%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 12%; text-align: right">508</td><td style="width: 1%; text-align: left">&#160;</td></tr>
  <tr id="xdx_40A_eus-gaap--FinanceLeaseInterestPaymentOnLiability_z49MHkr6aGGf" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">&#160;&#160;&#160;Operating cash flow payments for finance leases</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">30</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">41</td><td style="text-align: left">&#160;</td></tr>
  <tr id="xdx_404_ecustom--FinanceLeasePrincipalPayments1_zhZKqshXatU8" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left">&#160;&#160;&#160;Financing cash flow payments for finance leases</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">226</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">177</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Right-of-use assets obtained in exchange for lease obligations</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 id="xdx_401_eus-gaap--RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability_z24R1MylS0va" style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td style="text-align: left; padding-left: 9px">Operating lease liabilities arising from obtaining right of use assets</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">1,418</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">463</td><td style="text-align: left">&#160;</td></tr>
  <tr id="xdx_40F_eus-gaap--RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability_zb3IX5EDMpGi" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-left: 9px">Capitalized lease obligations</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0934">&#8212;</span></td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">64</td><td style="text-align: left">&#160;</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_ppsi_LesseeLeaseTermsTableTextBlock', window );">Weighted Average Remaining Lease Term and Weighted Average Discount Rate</a></td>
<td class="text"><p id="xdx_896_ecustom--LesseeLeaseTermsTableTextBlock_zdnrSskRBsIl" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Weighted Average Remaining Lease Term</p>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; display: none; text-align: justify"><span id="xdx_8B2_zGbJ1o9O7UHf">Weighted Average Remaining Lease Term and Weighted Average Discount Rate</span></p>

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

<table cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; border-collapse: collapse; width: 85%; margin-right: 0.5in; margin-left: 0.5in">
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="7" style="border-bottom: Black 1pt solid; text-align: center">September 30,</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2021</td><td style="padding-bottom: 1pt">&#160;</td>
    <td colspan="3" style="border-bottom: Black 1pt solid; text-align: center">2020</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(204,238,255)">
    <td>Operating leases</td><td>&#160;</td>
    <td colspan="3" style="vertical-align: middle; text-align: center"><span id="xdx_90D_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20210930_z4Pp7M4Q5Ys2">3</span> years</td><td>&#160;</td>
    <td colspan="3" style="vertical-align: bottom; text-align: center"> <span id="xdx_907_eus-gaap--OperatingLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20200930_zlkbwaJHlC4e">2</span> years</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td>Finance leases</td><td>&#160;</td>
    <td colspan="3" style="vertical-align: bottom; text-align: center"><span id="xdx_900_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20210930_zLW6KF3wKbX3">2</span> years</td><td>&#160;</td>
    <td colspan="3" style="vertical-align: bottom; text-align: center"><span id="xdx_906_eus-gaap--FinanceLeaseWeightedAverageRemainingLeaseTerm1_iI_dtY_c20200930_zQSZmPukDqk6">2</span> years</td></tr>
  <tr style="vertical-align: bottom">
    <td style="text-align: left; width: 56%"><span style="font-size: 2pt">&#160;</span></td><td style="width: 8%"><span style="font-size: 2pt">&#160;</span></td>
    <td style="text-align: left; width: 1%"><span style="font-size: 2pt">&#160;</span></td><td style="text-align: right; width: 12%"><span style="font-size: 2pt">&#160;</span></td><td style="text-align: left; width: 1%"><span style="font-size: 2pt">&#160;</span></td><td style="width: 8%"><span style="font-size: 2pt">&#160;</span></td>
    <td style="text-align: left; width: 1%"><span style="font-size: 2pt">&#160;</span></td><td style="text-align: right; width: 12%"><span style="font-size: 2pt">&#160;</span></td><td style="text-align: left; width: 1%"><span style="font-size: 2pt">&#160;</span></td></tr>
  </table>



<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">Weighted Average Discount Rate</p>

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; margin-left: auto; width: 85%; border-collapse: collapse; margin-right: auto">
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="4" style="text-align: center">September 30,</td></tr>
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="2" style="border-top: black 1pt solid; text-align: center">2021</td>
    <td colspan="2" style="border-top: black 1pt solid; text-align: center">2020</td></tr>
  <tr style="background-color: #CCEEFF">
    <td style="vertical-align: middle; width: 74%">Operating leases</td>
    <td id="xdx_989_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20210930_zNmYUW9L9Rfl" style="border-top: black 1pt solid; vertical-align: top; text-align: right; width: 10%">5.50</td>
    <td style="vertical-align: middle; width: 3%">%</td>
    <td id="xdx_980_eus-gaap--OperatingLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20200930_zEPQrvs97YP1" style="border-top: black 1pt solid; vertical-align: top; text-align: right; width: 10%">5.50</td>
    <td style="vertical-align: middle; width: 3%">%</td></tr>
  <tr style="background-color: white">
    <td style="vertical-align: middle">Finance leases</td>
    <td id="xdx_984_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20210930_zhax3OsNnOOg" style="vertical-align: top; text-align: right">6.76</td>
    <td style="vertical-align: middle">%</td>
    <td id="xdx_989_eus-gaap--FinanceLeaseWeightedAverageDiscountRatePercent_iI_pdp0_dp_c20200930_zwU2p4sS3xCl" style="vertical-align: top; text-align: right">6.75</td>
    <td style="vertical-align: middle">%</td></tr>
  </table>

<p style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">&#160;</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_ppsi_LesseeLeaseLiabilityMaturityTableTextBlock', window );">Future minimum lease payments under non-cancellable leases as of September 30, 2021 were as follows:</a></td>
<td class="text"><p id="xdx_891_ecustom--LesseeLeaseLiabilityMaturityTableTextBlock_zHc8QTousc0k" style="font: 10pt Times New Roman, Times, Serif; margin: 0">Future minimum lease payments under non-cancellable leases as of September
30, 2021 were as follows:</p>

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

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in">
  <tr>
    <td style="vertical-align: middle">&#160;</td>
    <td colspan="2" style="vertical-align: bottom; text-align: center">Operating&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td>
    <td colspan="2" style="vertical-align: bottom; text-align: center">Finance</td></tr>
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">Leases</td>
    <td style="text-align: center">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">Leases</td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td style="width: 71%">2021</td>
    <td style="text-align: right; width: 3%">&#160;</td>
    <td id="xdx_983_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maOL_c20210930_zCfRdCv3vPd6" style="text-align: right; width: 11%" title="Operating Leases, 2021">184</td>
    <td style="text-align: right; width: 1%">&#160;</td>
    <td style="text-align: right; width: 3%">&#160;</td>
    <td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear_iI_maFL_c20210930_zIlJwNG6oi39" style="text-align: right; width: 11%" title="Finance Leases, 2021">66</td></tr>
  <tr style="vertical-align: bottom">
    <td>2022</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_988_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maOL_c20210930_zaJPAm6X5j3j" style="text-align: right" title="Operating Leases, 2022">684</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98A_eus-gaap--FinanceLeaseLiabilityPaymentsDueNextTwelveMonths_iI_maFL_c20210930_zMqX0ia3spxi" style="text-align: right" title="Finance Leases, 2022">195</td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td>2023</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_98E_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearTwo_iI_maOL_c20210930_zr1nSONRszc7" style="text-align: right" title="Operating Leases, 2023">610</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearTwo_iI_maFL_c20210930_zuWI8jd4EFKe" style="text-align: right" title="Finance Leases, 2023">257</td></tr>
  <tr style="vertical-align: bottom">
    <td>2024</td>
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    <td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearThree_iI_maOL_c20210930_zbYMPwEDWESj" style="text-align: right" title="Operating Leases, 2024">446</td>
    <td style="text-align: right">&#160;</td>
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    <td id="xdx_98B_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearThree_iI_maFL_c20210930_zgQ4FSymcDed" style="text-align: right" title="Finance Leases, 2024">21</td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
    <td>2025</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_989_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueYearFour_iI_maOL_c20210930_zMsrySLy5rQc" style="text-align: right" title="Operating Leases, 2025">95</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_986_eus-gaap--FinanceLeaseLiabilityPaymentsDueYearFour_iI_maFL_c20210930_zZ724x6sAH1g" style="text-align: right" title="Finance Leases, 2025"><span style="-sec-ix-hidden: xdx2ixbrl0967">&#8212;</span></td></tr>
  <tr style="vertical-align: bottom">
    <td>Thereafter</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_984_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive_iI_maOL_c20210930_zzMdN00He8Y1" style="text-align: right" title="Operating Leases, Thereafter">24</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_987_eus-gaap--FinanceLeaseLiabilityPaymentsDueAfterYearFive_iI_maFL_c20210930_zz7BM1MZKcMc" style="text-align: right" title="Finance Leases, Thereafter"><span style="-sec-ix-hidden: xdx2ixbrl0971">&#8212;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
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    <td style="border-top: Black 0.5pt solid; text-align: right">&#160;</td>
    <td id="xdx_98C_eus-gaap--LesseeOperatingLeaseLiabilityPaymentsDue_iTI_mtOL_c20210930_zJnF4nNF9msj" style="border-top: Black 0.5pt solid; text-align: right" title="Operating Leases, Total future minimum lease payments">2,043</td>
    <td style="text-align: right">&#160;</td>
    <td style="border-top: Black 0.5pt solid; text-align: right">&#160;</td>
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  <tr style="vertical-align: bottom">
    <td>Less imputed interest</td>
    <td style="text-align: right">&#160;</td>
    <td id="xdx_985_eus-gaap--LesseeOperatingLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zKzQAfOAXIoj" style="text-align: right" title="Operating Leases, Less imputed interest">(171)</td>
    <td style="text-align: right">&#160;</td>
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    <td id="xdx_98D_eus-gaap--FinanceLeaseLiabilityUndiscountedExcessAmount_iNI_di_c20210930_zzgn33IZpRpk" style="text-align: right" title="Finance Leases, Less imputed interest">(40)</td></tr>
  <tr style="vertical-align: bottom; background-color: #CCECFF">
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    <td style="text-align: right">&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td id="xdx_983_eus-gaap--FinanceLeaseLiability_iI_c20210930_znhX3uaWjvo2" style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right" title="Finance Leases, Total future minmum lease payments">499</td></tr>
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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_ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock', window );">Reported as of September 30, 2021:</a></td>
<td class="text"><p id="xdx_896_ecustom--LeasesOfLesseeReportedDisclosureTableTextBlock_zWfrYShskFd1" style="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify">Reported as of September 30, 2021:</p>

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

<table border="0" cellpadding="0" cellspacing="0" style="font: 10pt Times New Roman, Times, Serif; width: 85%; border-collapse: collapse; margin-right: 0.5in; margin-left: 0.5in">
  <tr>
    <td style="vertical-align: middle">&#160;</td>
    <td colspan="2" id="xdx_481_eus-gaap--OperatingLeaseLiability_iI_zGG1dmNZRkNj" style="vertical-align: bottom; text-align: center">Operating&#160;</td>
    <td style="vertical-align: bottom; text-align: center">&#160;</td>
    <td colspan="2" id="xdx_483_eus-gaap--FinanceLeaseLiability_iI_ztQvU63RvDc9" style="vertical-align: bottom; text-align: center">Finance</td></tr>
  <tr style="vertical-align: middle">
    <td>&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">Leases</td>
    <td style="text-align: center">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; text-align: center">Leases</td></tr>
  <tr id="xdx_418_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--AccountsPayableAndAccruedLiabilitiesMember_ziRXhvB4BpYf" style="vertical-align: bottom; background-color: #CCECFF">
    <td style="width: 71%">Accounts payable and accrued liabilities</td>
    <td style="text-align: right; width: 3%">&#160;$&#160;</td>
    <td style="text-align: right; width: 11%">613</td>
    <td style="text-align: right; width: 1%">&#160;</td>
    <td style="text-align: right; width: 3%">&#160;$&#160;</td>
    <td style="text-align: right; width: 11%">194</td></tr>
  <tr id="xdx_416_20210930__us-gaap--BalanceSheetLocationAxis__us-gaap--OtherNoncurrentLiabilitiesMember_zEYkpuF5nE8d" style="vertical-align: bottom">
    <td>Other long-term liabilities</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">1,259</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">&#160;</td>
    <td style="text-align: right">305</td></tr>
  <tr id="xdx_413_20210930_z06Jds5DWchd" style="vertical-align: bottom; background-color: #CCECFF">
    <td style="padding-left: 9px; text-align: left">Total</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">1,872</td>
    <td style="text-align: right">&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">&#160;$&#160;</td>
    <td style="border-top: Black 0.5pt solid; border-bottom: Black 2pt double; text-align: right">499</td></tr>
  </table>
<span></span>
</td>
</tr>
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<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_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;">ppsi_DisclosureLeasesAbstract</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>xbrli:stringItemType</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_ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 lessee reported balance sheet 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;">ppsi_LeasesOfLesseeReportedDisclosureTableTextBlock</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_LesseeLeaseCashFlowsTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 lease supplemental cash flow information.</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;">ppsi_LesseeLeaseCashFlowsTableTextBlock</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> 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_ppsi_LesseeLeaseLiabilityMaturityTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 lessee lease liability maturity.</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;">ppsi_LesseeLeaseLiabilityMaturityTableTextBlock</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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_LesseeLeaseTermsTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 lease terms.</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;">ppsi_LesseeLeaseTermsTableTextBlock</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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LeaseCostTableTextBlock">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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">
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<td style="white-space:nowrap;">us-gaap_LeaseCostTableTextBlock</td>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679154104">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>BASIS OF PRESENTATION (Details Narrative)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th">
<div>Jul. 07, 2021 </div>
<div>USD ($) </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Jun. 01, 2021 </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Mar. 31, 2021 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Sep. 30, 2021 </div>
<div>USD ($) </div>
<div>Number </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Sep. 30, 2020 </div>
<div>USD ($)</div>
</th>
<th class="th">
<div>Dec. 31, 2020 </div>
<div>USD ($) </div>
<div>$ / shares</div>
</th>
<th class="th">
<div>Apr. 13, 2020 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_NumberOfAdditionalLocations', window );">Number of additional locations | Number</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">3<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NumberOfReportableSegments', window );">Number of reportable segments | Number</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_WorkingCapital', window );">Working capital</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">$ 5,700<span></span>
</td>
<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_CommonStockParOrStatedValuePerShare', window );">Common stock, par value (in dollars per share) | $ / 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="nump">$ 0.001<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>
</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_PaymentsOfDividends', window );">Dividend paid</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">$ 1,047<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="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_LettersOfCreditOutstandingAmount', window );">Irrevocable standby letter of credit</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">1,800<span></span>
</td>
<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_RestrictedCash', window );">Restricted cash</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">1,775<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <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=ppsi_PaycheckProtectionProgramLoanMember', window );">PPP 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>
<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_DebtInstrumentFaceAmount', window );">Loan face 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">$ 1,400<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_GainsLossesOnExtinguishmentOfDebt', window );">Gain on extinguishment of debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</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_DividendsAxis=us-gaap_DividendDeclaredMember', window );">Dividend Declared [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_DividendsPayableDateDeclaredDayMonthAndYear', window );">Dividend date declared</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Jun.  01,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_DividendsPayableAmountPerShare', window );">Dividend amount (in dollars per share) | $ / shares</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.12<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_DividendsPayableDateOfRecordDayMonthAndYear', window );">Dividend record date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Jun. 22,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_DividendPayableDateToBePaidDayMonthAndYear', window );">Dividend payment date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Jul.  07,  2021<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_DividendsAxis=us-gaap_DividendPaidMember', window );">Dividend Paid [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_DividendsPayableAmountPerShare', window );">Dividend amount (in dollars per share) | $ / shares</a></td>
<td class="nump">$ 0.12<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_CommonStockParOrStatedValuePerShare', window );">Common stock, par value (in dollars per share) | $ / shares</a></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="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_PaymentsOfDividends', window );">Dividend paid</a></td>
<td class="nump">$ 1,000<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_ppsi_NumberOfAdditionalLocations">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 additional locations.</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;">ppsi_NumberOfAdditionalLocations</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_WorkingCapital">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 working capital 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>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;">ppsi_WorkingCapital</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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. 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>
</tr>
<tr>
<td style="padding-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_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_DebtInstrumentFaceAmount">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 (par) amount of debt instrument at time of issuance.</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 (a)<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 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://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br><br>Reference 4: 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 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 69C<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495737-112612<br><br>Reference 6: 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></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DebtInstrumentFaceAmount</td>
</tr>
<tr>
<td style="padding-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_DividendPayableDateToBePaidDayMonthAndYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 declared dividend will be paid, 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 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendPayableDateToBePaidDayMonthAndYear</td>
</tr>
<tr>
<td style="padding-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_DividendsPayableAmountPerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 per share amount of a dividend declared, but not paid, as of the financial reporting date.</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 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPayableAmountPerShare</td>
</tr>
<tr>
<td style="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_DividendsPayableDateDeclaredDayMonthAndYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 dividend to be paid was declared, 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 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DividendsPayableDateDeclaredDayMonthAndYear</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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</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_DividendsPayableDateOfRecordDayMonthAndYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 holder must own the stock to be entitled to the dividend, in YYYY-MM-DD format.</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_DividendsPayableDateOfRecordDayMonthAndYear</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>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period 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_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_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_PaymentsOfDividends">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 outflow in the form of capital distributions and dividends to common shareholders, preferred shareholders and noncontrolling interests.</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 (a)<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_PaymentsOfDividends</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>
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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>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_RestrictedCash">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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. 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 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://www.xbrl.org/2009/role/commonPracticeRef<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(1)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<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)(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_RestrictedCash</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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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=ppsi_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=ppsi_PaycheckProtectionProgramLoanMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></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_us-gaap_DividendsAxis=us-gaap_DividendDeclaredMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DividendsAxis=us-gaap_DividendDeclaredMember</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>
<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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DividendsAxis=us-gaap_DividendPaidMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_DividendsAxis=us-gaap_DividendPaidMember</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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679603720">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>The following table provides a reconciliation of cash and restricted cash reported within the consolidated balance sheets that sum to the total of the same such amounts shown in the unaudited interim consolidated statement of cash flows: (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Dec. 31, 2019</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>
<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="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_Cash', window );">Cash</a></td>
<td class="nump">$ 3,372<span></span>
</td>
<td class="nump">$ 7,567<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_RestrictedCash', window );">Restricted cash</a></td>
<td class="nump">1,775<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="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">Total cash and restricted cash as shown in the statement of cash flows</a></td>
<td class="nump">$ 5,147<span></span>
</td>
<td class="nump">$ 7,567<span></span>
</td>
<td class="nump">$ 9,631<span></span>
</td>
<td class="nump">$ 8,213<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_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>
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<td>xbrli:monetaryItemType</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 cash and cash equivalents, and cash and cash equivalents restricted to withdrawal or usage. Excludes amount for 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 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 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3044-108585<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 50<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=SL98516268-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents</td>
</tr>
<tr>
<td style="padding-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_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_OrganizationConsolidationAndPresentationOfFinancialStatementsAbstract</td>
</tr>
<tr>
<td style="padding-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_RestrictedCash">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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. 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 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://www.xbrl.org/2009/role/commonPracticeRef<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(1)(a))<br> -URI http://asc.fasb.org/extlink&amp;oid=120398452&amp;loc=d3e534808-122878<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<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)(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_RestrictedCash</td>
</tr>
<tr>
<td style="padding-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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679931128">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>FAIR VALUE MEASUREMENTS (Details Narrative) - CleanSpark [Member] - USD ($)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1">1 Months Ended</th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Jan. 22, 2019</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 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_srt_OwnershipAxis=ppsi_CleanSparkMember', window );">Warrant 1 [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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WarrantsAndRightsOutstandingTerm', window );">Warrant term</a></td>
<td class="text">5 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="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_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Number of shares called by warrant</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>
</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_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrant exercise price</a></td>
<td class="nump">$ 16.00<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_srt_OwnershipAxis=ppsi_CleanSparkMember', window );">Warrant 2 [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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WarrantsAndRightsOutstandingTerm', window );">Warrant term</a></td>
<td class="text">5 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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights', window );">Number of shares called by warrant</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>
</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_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRights1', window );">Warrant exercise price</a></td>
<td class="nump">$ 20.00<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_srt_OwnershipAxis=ppsi_CleanSparkMember', 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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems', window );"><strong>Fair Value Measurement Inputs and Valuation Techniques [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ConversionOfStockSharesIssued1', window );">Number of shares converted</a></td>
<td class="nump">175,000<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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_StockholdersEquityReverseStockSplit', window );">Reverse stock split</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">10:1 reverse
stock split<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_ProceedsFromSaleOfEquitySecuritiesFvNi', window );">Proceeds from sale</a></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>
</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_EquitySecuritiesFvNiUnrealizedLoss', window );">Unrealized mark to market adjustment</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">700<span></span>
</td>
<td class="nump">$ 1,400<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_EquitySecuritiesFvNiGainLoss', window );">Net gain</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,700<span></span>
</td>
<td class="nump">$ 968<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_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_ConversionOfStockSharesIssued1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 new shares issued in the conversion of stock in a noncash (or part noncash) transaction. Noncash is defined as transactions during a period that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments 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://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 5<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4332-108586<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 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4313-108586<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 50<br> -Paragraph 3<br> -URI http://asc.fasb.org/extlink&amp;oid=123431023&amp;loc=d3e4304-108586<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConversionOfStockSharesIssued1</td>
</tr>
<tr>
<td style="padding-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_EquitySecuritiesFvNiGainLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).</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 321<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123583765&amp;loc=SL75117546-209714<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EquitySecuritiesFvNiGainLoss</td>
</tr>
<tr>
<td style="padding-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_EquitySecuritiesFvNiUnrealizedLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 unrealized loss on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).</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 321<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123583765&amp;loc=SL75117546-209714<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EquitySecuritiesFvNiUnrealizedLoss</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>
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<td>xbrli:monetaryItemType</td>
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<td><strong> Balance Type:</strong></td>
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<td>duration</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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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_FairValueAssetsAndLiabilitiesMeasuredOnRecurringAndNonrecurringBasisValuationTechniquesLineItems</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>
<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 sale of investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI), classified as investing 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/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 19<br> -URI http://asc.fasb.org/extlink&amp;oid=123570139&amp;loc=d3e3444-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 321<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -URI http://asc.fasb.org/extlink&amp;oid=123583714&amp;loc=SL75117360-209713<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromSaleOfEquitySecuritiesFvNi</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>
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<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockholdersEquityReverseStockSplit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 reverse stock split arrangement. Also provide the retroactive effect given by the reverse split that occurs after the balance sheet date but before the release of 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 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 4<br> -Subparagraph (SAB Topic 4.C)<br> -URI http://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187143-122770<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_StockholdersEquityReverseStockSplit</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>Period between issuance and expiration of outstanding warrant and right embodying unconditional obligation requiring redemption by transferring asset at specified or determinable date or upon event certain to occur, 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/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_WarrantsAndRightsOutstandingTerm</td>
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<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 );">- Details</a><div><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>
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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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ClassOfWarrantOrRightAxis=ppsi_Warrant2Member">
<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>
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<tr>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282678821064">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>The following table presents our revenues disaggregated by revenue discipline: (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<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_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Total revenue</a></td>
<td class="nump">$ 5,685<span></span>
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<td class="nump">$ 4,051<span></span>
</td>
<td class="nump">$ 14,813<span></span>
</td>
<td class="nump">$ 14,138<span></span>
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<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_ProductOrServiceAxis=us-gaap_ProductMember', window );">Product [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="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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [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="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_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Total revenue</a></td>
<td class="nump">3,690<span></span>
</td>
<td class="nump">1,918<span></span>
</td>
<td class="nump">9,359<span></span>
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<td class="nump">8,261<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<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>
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<td class="text">&#160;<span></span>
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<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_RevenueFromContractWithCustomerExcludingAssessedTax', window );">Total revenue</a></td>
<td class="nump">$ 1,995<span></span>
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<td class="nump">$ 2,133<span></span>
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<td class="nump">$ 5,454<span></span>
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<td class="nump">$ 5,877<span></span>
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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_DisaggregationOfRevenueLineItems</td>
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<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>
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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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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282680067992">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUES (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
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<td class="nump">$ 4,051<span></span>
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<td class="nump">$ 14,813<span></span>
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<td class="nump">$ 14,138<span></span>
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<td class="nump">3,100<span></span>
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<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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<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_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [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="text">&#160;<span></span>
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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>Development costs incurred, including capitalized costs and costs charged to expense, in oil and gas 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 932<br> -SubTopic 235<br> -Section 50<br> -Paragraph 18<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=123377692&amp;loc=d3e62014-109447<br></p></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>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>
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<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>
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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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<td><strong> Name:</strong></td>
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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>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
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</html>
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<DOCUMENT>
<TYPE>XML
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<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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282682285736">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>OTHER EXPENSE (INCOME) (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="3">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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_OtherNonoperatingIncomeExpense', window );">Other expense (income)</a></td>
<td class="nump">$ 13<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="num">$ (1,735)<span></span>
</td>
<td class="num">$ (1,294)<span></span>
</td>
<td class="num">$ (904)<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=ppsi_PaycheckProtectionProgramLoanMember', window );">PPP 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>
<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_GainsLossesOnExtinguishmentOfDebt', window );">Gain on extinguishment of debt</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,400<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_OwnershipAxis=ppsi_CleanSparkMember', window );">CleanSpark [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>
</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_EquitySecuritiesFvNiGainLoss', window );">Net gain</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 968<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_EquitySecuritiesFvNiGainLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 unrealized and realized gain (loss) on investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).</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 321<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI http://asc.fasb.org/extlink&amp;oid=123583765&amp;loc=SL75117546-209714<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EquitySecuritiesFvNiGainLoss</td>
</tr>
<tr>
<td style="padding-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_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>
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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>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_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>
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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>
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<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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=ppsi_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=ppsi_PaycheckProtectionProgramLoanMember</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>na</td>
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<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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_OwnershipAxis=ppsi_CleanSparkMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_OwnershipAxis=ppsi_CleanSparkMember</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>
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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_InvestmentTypeAxis=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_InvestmentTypeAxis=us-gaap_CommonStockMember</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>
<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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</body>
</html>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>49
<FILENAME>R38.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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677563912">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>The components of inventories are summarized below (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Sep. 30, 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_InventoryDisclosureAbstract', window );"><strong>Inventory 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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryRawMaterials', window );">Raw materials</a></td>
<td class="nump">$ 1,840<span></span>
</td>
<td class="nump">$ 1,719<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_InventoryWorkInProcess', window );">Work in process</a></td>
<td class="nump">2,457<span></span>
</td>
<td class="nump">1,420<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_InventoryValuationReserves', window );">Provision for excess and obsolete inventory</a></td>
<td class="num">(797)<span></span>
</td>
<td class="num">(736)<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Total inventories</a></td>
<td class="nump">$ 3,500<span></span>
</td>
<td class="nump">$ 2,403<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_InventoryDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_InventoryDisclosureAbstract</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>
</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_InventoryRawMaterials">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 valuation and LIFO reserves of raw materials 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 S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a)(4))<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_InventoryRawMaterials</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>
</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_InventoryValuationReserves">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 valuation reserve for inventory.</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 330<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB TOPIC 5.BB)<br> -URI http://asc.fasb.org/extlink&amp;oid=27011343&amp;loc=d3e100047-122729<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 210.5-02.6(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_InventoryValuationReserves</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>
</tr>
<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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryWorkInProcess">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 valuation and LIFO reserves of merchandise or goods in the production process expected to be completed 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 S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.6(a)(3))<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_InventoryWorkInProcess</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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<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679453224">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Property, plant and equipment are summarized below: (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Sep. 30, 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_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">$ 2,390<span></span>
</td>
<td class="nump">$ 2,421<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_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment', window );">Less: Accumulated depreciation</a></td>
<td class="num">(1,912)<span></span>
</td>
<td class="num">(1,988)<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentNet', window );">Total property, plant and equipment, net</a></td>
<td class="nump">478<span></span>
</td>
<td class="nump">433<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_MachineryAndEquipmentMember', window );">Machinery and Equipment [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_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">1,183<span></span>
</td>
<td class="nump">1,210<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_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember', window );">Furniture and Fixtures [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_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">205<span></span>
</td>
<td class="nump">205<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=ppsi_ComputerHardwareAndSoftwareMember', window );">Computer Hardware and 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_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">539<span></span>
</td>
<td class="nump">669<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_LeaseholdImprovementsMember', window );">Leasehold Improvements [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_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">322<span></span>
</td>
<td class="nump">337<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_ConstructionInProgressMember', window );">Construction in Progress [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_PropertyPlantAndEquipmentLineItems', window );"><strong>Property, Plant and Equipment [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_PropertyPlantAndEquipmentGross', window );">Property, plant and equipment</a></td>
<td class="nump">$ 141<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_us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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>
</tr>
<tr>
<td style="padding-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_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>
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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_PropertyPlantAndEquipmentLineItems</td>
</tr>
<tr>
<td style="padding-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_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_PropertyPlantAndEquipmentByTypeAxis=us-gaap_MachineryAndEquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_MachineryAndEquipmentMember</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_PropertyPlantAndEquipmentByTypeAxis=us-gaap_FurnitureAndFixturesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_FurnitureAndFixturesMember</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_PropertyPlantAndEquipmentByTypeAxis=ppsi_ComputerHardwareAndSoftwareMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=ppsi_ComputerHardwareAndSoftwareMember</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_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_LeaseholdImprovementsMember</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_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ConstructionInProgressMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_ConstructionInProgressMember</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>51
<FILENAME>R40.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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282674278488">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>PROPERTY, PLANT AND EQUIPMENT (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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_PropertyPlantAndEquipmentAbstract', window );"><strong>Property, Plant and Equipment [Abstract]</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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation expense</a></td>
<td class="nump">$ 35<span></span>
</td>
<td class="nump">$ 50<span></span>
</td>
<td class="nump">$ 110<span></span>
</td>
<td class="nump">$ 164<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_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_PropertyPlantAndEquipmentAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_PropertyPlantAndEquipmentAbstract</td>
</tr>
<tr>
<td style="padding-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>52
<FILENAME>R41.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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282680458184">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>NOTES RECEIVABLE (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1">6 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Jun. 30, 2021</div></th>
<th class="th"><div>Dec. 31, 2019</div></th>
<th class="th"><div>Jun. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Aug. 16, 2019</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_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts, Notes, Loans and Financing Receivable [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>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_ChangeInNoteReceivable', window );">Change in note receivable</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"> <span></span>
</td>
<td class="nump">$ 194<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_NoncashOrPartNoncashDivestituresByUniqueNameAxis=ppsi_TransformerBusinessUnitsMember', window );">Transformer Business Units [Member] | Subordinated Debt [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>
</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_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts, Notes, Loans and Financing Receivable [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>
</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_NotesReceivableGross', window );">Principal 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="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 7,500<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_DebtInstrumentInterestRateStatedPercentage', window );">Interest rate</a></td>
<td class="nump">4.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">4.00%<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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentMaturityDate', window );">Maturity date</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">Dec. 31,  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>
</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_RepaymentsOfNotesPayable', window );">Repayment of notes payable</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 1,800<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_ppsi_ChangeInNoteReceivable', window );">Change in note receivable</a></td>
<td class="nump">$ 194<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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_IncreaseDecreaseInNotesReceivables', window );">Change in value of notes</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">321<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_NotesReceivableNet', window );">Carrying 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="nump">$ 5,700<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_NoncashOrPartNoncashDivestituresByUniqueNameAxis=ppsi_TransformerBusinessUnitsMember', window );">Transformer Business Units [Member] | Subordinated Debt [Member] | First Seller 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>
<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_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts, Notes, Loans and Financing Receivable [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>
</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_NotesReceivableGross', window );">Principal amount</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3,200<span></span>
</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">5,000<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_NoncashOrPartNoncashDivestituresByUniqueNameAxis=ppsi_TransformerBusinessUnitsMember', window );">Transformer Business Units [Member] | Subordinated Debt [Member] | Second Seller 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>
<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_AccountsNotesAndLoansReceivableLineItems', window );"><strong>Accounts, Notes, Loans and Financing Receivable [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>
</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_NotesReceivableGross', window );">Principal 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="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 2,500<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_ChangeInNoteReceivable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 reduction to the principal amount of a note rececivable 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;">ppsi_ChangeInNoteReceivable</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><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>
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<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>
</tr>
<tr>
<td style="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>
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<td><strong> Period Type:</strong></td>
<td>instant</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_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>
</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_IncreaseDecreaseInNotesReceivables">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 of the amounts due from borrowers for outstanding secured or unsecured loans evidenced by a note.</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_IncreaseDecreaseInNotesReceivables</td>
</tr>
<tr>
<td style="padding-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_NotesReceivableGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 allowance for credit loss, of financing 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 7A<br> -URI http://asc.fasb.org/extlink&amp;oid=123577603&amp;loc=SL6953401-111524<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 55<br> -Paragraph 79<br> -URI http://asc.fasb.org/extlink&amp;oid=124267575&amp;loc=SL82922352-210448<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 50<br> -Paragraph 14<br> -URI http://asc.fasb.org/extlink&amp;oid=124255953&amp;loc=SL82919253-210447<br><br>Reference 4: http://www.xbrl.org/2009/role/commonPracticeRef<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><br>Reference 5: 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 6: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 326<br> -SubTopic 20<br> -Section 55<br> -Paragraph 80<br> -URI http://asc.fasb.org/extlink&amp;oid=124267575&amp;loc=SL82922355-210448<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher SEC<br> -Name Regulation S-K (SK)<br> -Number 229<br> -Section 1405<br> -Paragraph (a)<br> -Subparagraph (1)<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher SEC<br> -Name Regulation S-K (SK)<br> -Number 229<br> -Section 1405<br> -Paragraph (a)<br> -Subparagraph (2)<br><br>Reference 9: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher SEC<br> -Name Regulation S-K (SK)<br> -Number 229<br> -Section 1404<br> -Paragraph (a)<br></p></div>
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_NotesReceivableGross</td>
</tr>
<tr>
<td style="padding-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>
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<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>
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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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<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_RepaymentsOfNotesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 for a borrowing supported by a written promise to pay an 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 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>
<td style="white-space:nowrap;">us-gaap_RepaymentsOfNotesPayable</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>
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<td><strong> Balance Type:</strong></td>
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<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_NoncashOrPartNoncashDivestituresByUniqueNameAxis=ppsi_TransformerBusinessUnitsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_NoncashOrPartNoncashDivestituresByUniqueNameAxis=ppsi_TransformerBusinessUnitsMember</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></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LongtermDebtTypeAxis=us-gaap_SubordinatedDebtMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=us-gaap_SubordinatedDebtMember</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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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DebtInstrumentAxis=ppsi_FirstSellerNoteMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=ppsi_FirstSellerNoteMember</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>
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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_DebtInstrumentAxis=ppsi_SecondSellerNoteMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=ppsi_SecondSellerNoteMember</td>
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>DEBT (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="1">9 Months Ended</th>
<th class="th" colspan="1"></th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th"><div>Mar. 31, 2021</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Dec. 31, 2020</div></th>
<th class="th"><div>Apr. 13, 2020</div></th>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<td class="text">&#160;<span></span>
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<tr class="re">
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<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">780<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="rh">
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<td class="text">&#160;<span></span>
</td>
<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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_DebtInstrumentFaceAmount', window );">Loan face value</a></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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</td>
</tr>
<tr class="re">
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<td class="nump">$ 1,400<span></span>
</td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">633<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 780<span></span>
</td>
<td class="text">&#160;<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>Face (par) amount of debt instrument at time of issuance.</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 (a)<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 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://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 835<br> -SubTopic 30<br> -Section 55<br> -Paragraph 8<br> -URI http://asc.fasb.org/extlink&amp;oid=114775985&amp;loc=d3e28878-108400<br><br>Reference 4: 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 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 69C<br> -URI http://asc.fasb.org/extlink&amp;oid=123466577&amp;loc=SL123495737-112612<br><br>Reference 6: 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></p></div>
<a href="javascript:void(0);" 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>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">
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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>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>
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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 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">
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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 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>
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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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282680073576">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Schedule of debt (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th"><div>Sep. 30, 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_DebtDisclosureAbstract', window );"><strong>Debt Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="rou">
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<td class="text"> <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_LongTermDebtNoncurrent', window );">Total long-term obligations</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 633<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>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>
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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, 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>
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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>
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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_LongTermDebtNoncurrent">
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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>
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<td>instant</td>
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<DOCUMENT>
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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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282693473400">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STOCKHOLDERS&#8217; EQUITY (Details Narrative) - USD ($)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
<th class="th" colspan="1"></th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</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_ClassOfStockLineItems', window );"><strong>Class of Stock [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 " 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, outstanding shares</a></td>
<td class="nump">8,726,045<span></span>
</td>
<td class="nump">8,726,045<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,726,045<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_CommonStockParOrStatedValuePerShare', window );">Common stock, par value (in dollars per share)</a></td>
<td class="nump">$ 0.001<span></span>
</td>
<td class="nump">$ 0.001<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 0.001<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_ShareBasedCompensation', window );">Stock-based compensation</a></td>
<td class="nump">$ 58<span></span>
</td>
<td class="nump">$ 129<span></span>
</td>
<td class="nump">$ 3<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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized', window );">Stock-based compensation not yet recognized</a></td>
<td class="nump">$ 134<span></span>
</td>
<td class="nump">$ 134<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=ppsi_LongTermIncentivePlanMember', window );">Long-Term Incentive 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>
</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_ClassOfStockLineItems', window );"><strong>Class of Stock [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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Number of shares available for future grants</a></td>
<td class="nump">0<span></span>
</td>
<td class="nump">0<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_ClassOfStockLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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_ClassOfStockLineItems</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: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>
</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>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>
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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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<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 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>
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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:sharesItemType</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>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_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>
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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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<td><strong> Balance Type:</strong></td>
<td>debit</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>
<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>
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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><strong> Balance Type:</strong></td>
<td>debit</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 );">- 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>
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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><strong> Period Type:</strong></td>
<td>instant</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=ppsi_LongTermIncentivePlanMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=ppsi_LongTermIncentivePlanMember</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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<DOCUMENT>
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<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="report.css">
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282694006936">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>A summary of stock option activity under the 2011 Long-Term Incentive Plan as of September 30, 2021, and changes during the nine months ended September 30, 2021, are presented below: (Details)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th">
<div>Sep. 30, 2021 </div>
<div>USD ($) </div>
<div>$ / 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_EquityAbstract', window );"><strong>Equity [Abstract]</strong></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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber', window );">Outstanding at beginning of period | shares</a></td>
<td class="nump">440,400<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice', window );">Outstanding at beginning of period | $ / shares</a></td>
<td class="nump">$ 6.58<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_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2', window );">Outstanding at beginning of period</a></td>
<td class="text">5 years 9 months 18 days<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue', window );">Outstanding at beginning of period | $</a></td>
<td class="nump">$ 155<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Granted | shares</a></td>
<td class="nump">236,667<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_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Granted | $ / shares</a></td>
<td class="nump">$ 3.31<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_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Exercised | shares</a></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_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsExercisesInPeriodWeightedAverageExercisePrice', window );">Exercised | $ / shares</a></td>
<td class="text"> <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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod', window );">Forfeited | shares</a></td>
<td class="num">(3,400)<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_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice', window );">Forfeited | $ / shares</a></td>
<td class="nump">$ 12.00<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber', window );">Outstanding at end of period | shares</a></td>
<td class="nump">673,667<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingWeightedAverageExercisePrice', window );">Outstanding at end of period | $ / shares</a></td>
<td class="nump">$ 5.41<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3', window );">Outstanding at end of period</a></td>
<td class="text">6 years 8 months 12 days<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingIntrinsicValue', window );">Outstanding at end of period | $</a></td>
<td class="nump">$ 117<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableNumber', window );">Exercisable at end of period | shares</a></td>
<td class="nump">437,000<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice', window );">Exercisable at end of period | $ / shares</a></td>
<td class="nump">$ 6.54<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_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableWeightedAverageRemainingContractualTerm1', window );">Exercisable at end of period</a></td>
<td class="text">5 years 1 month 6 days<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_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1', window );">Exercisable at end of period | $</a></td>
<td class="nump">$ 115<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 at the end of the period, 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>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;">ppsi_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm3</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_EquityAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_EquityAbstract</td>
</tr>
<tr>
<td style="padding-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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 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.</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)<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsForfeituresInPeriod</td>
</tr>
<tr>
<td style="padding-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_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>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<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_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 could have acquired the underlying shares with respect to stock options that were terminated.</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_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsForfeituresInPeriodWeightedAverageExercisePrice</td>
</tr>
<tr>
<td style="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_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>
</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_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>
</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_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsOutstandingWeightedAverageRemainingContractualTerm2">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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>
</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_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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679585048">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>The following table sets forth the computation of basic and diluted (loss) income per share (in thousands, except per share data): (Details) - USD ($)<br> $ / shares in Units, shares in Thousands, $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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_NetIncomeLossAbstract', window );"><strong>Numerator:</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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net (loss) income</a></td>
<td class="num">$ (434)<span></span>
</td>
<td class="nump">$ 1,339<span></span>
</td>
<td class="num">$ (769)<span></span>
</td>
<td class="num">$ (2,242)<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>Denominator:</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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Weighted average basic shares outstanding</a></td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<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_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements', window );">Effect of dilutive securities - equity based compensation plans</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>
</tr>
<tr class="rou">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Denominator for diluted net (loss) income per common share</a></td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<span></span>
</td>
<td class="nump">8,726<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_EarningsPerShareBasicAndDilutedAbstract', window );"><strong>Net (loss) income per common share:</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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Basic</a></td>
<td class="num">$ (0.05)<span></span>
</td>
<td class="nump">$ 0.15<span></span>
</td>
<td class="num">$ (0.09)<span></span>
</td>
<td class="num">$ (0.26)<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_EarningsPerShareDiluted', window );">Diluted</a></td>
<td class="num">$ (0.05)<span></span>
</td>
<td class="nump">$ 0.15<span></span>
</td>
<td class="num">$ (0.09)<span></span>
</td>
<td class="num">$ (0.26)<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_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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<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">+ Details</a><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>
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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_EarningsPerShareBasicAndDilutedAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_EarningsPerShareBasicAndDilutedAbstract</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>
<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_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_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 share based payment arrangements using the treasury stock method.</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 22<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1707-109256<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 28A<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1500-109256<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 23<br> -Subparagraph (c)<br> -URI http://asc.fasb.org/extlink&amp;oid=125511455&amp;loc=d3e1757-109256<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_IncrementalCommonSharesAttributableToShareBasedPaymentArrangements</td>
</tr>
<tr>
<td style="padding-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_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>
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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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<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 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>
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<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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679282008">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>The following tables present information about segment loss and income (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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="text">&#160;<span></span>
</td>
<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_Revenues', window );">Revenues</a></td>
<td class="nump">$ 5,685<span></span>
</td>
<td class="nump">$ 4,051<span></span>
</td>
<td class="nump">$ 14,813<span></span>
</td>
<td class="nump">$ 14,138<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_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">98<span></span>
</td>
<td class="nump">114<span></span>
</td>
<td class="nump">329<span></span>
</td>
<td class="nump">360<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_OperatingIncomeLoss', window );">Operating (loss) income</a></td>
<td class="num">(518)<span></span>
</td>
<td class="num">(451)<span></span>
</td>
<td class="num">(2,370)<span></span>
</td>
<td class="num">(3,383)<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_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember', window );">Operating Segments [Member] | T &amp; D Solutions [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_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting 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>
<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_Revenues', window );">Revenues</a></td>
<td class="nump">2,996<span></span>
</td>
<td class="nump">1,507<span></span>
</td>
<td class="nump">7,980<span></span>
</td>
<td class="nump">7,370<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_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">15<span></span>
</td>
<td class="nump">28<span></span>
</td>
<td class="nump">50<span></span>
</td>
<td class="nump">95<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_OperatingIncomeLoss', window );">Operating (loss) income</a></td>
<td class="num">(100)<span></span>
</td>
<td class="nump">50<span></span>
</td>
<td class="num">(664)<span></span>
</td>
<td class="num">(1,353)<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_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember', window );">Operating Segments [Member] | T &amp; D Solutions [Member] | Switchgear [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_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting 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>
<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_Revenues', window );">Revenues</a></td>
<td class="nump">2,996<span></span>
</td>
<td class="nump">1,507<span></span>
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<td class="nump">7,980<span></span>
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<td class="nump">7,370<span></span>
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<td class="text">&#160;<span></span>
</td>
<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_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting 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>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
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<td class="nump">2,689<span></span>
</td>
<td class="nump">2,544<span></span>
</td>
<td class="nump">6,833<span></span>
</td>
<td class="nump">6,768<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_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">76<span></span>
</td>
<td class="nump">78<span></span>
</td>
<td class="nump">257<span></span>
</td>
<td class="nump">240<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_OperatingIncomeLoss', window );">Operating (loss) income</a></td>
<td class="nump">160<span></span>
</td>
<td class="nump">37<span></span>
</td>
<td class="nump">34<span></span>
</td>
<td class="num">(363)<span></span>
</td>
</tr>
<tr class="rh">
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<td class="text">&#160;<span></span>
</td>
<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_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting 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>
<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_Revenues', window );">Revenues</a></td>
<td class="nump">694<span></span>
</td>
<td class="nump">411<span></span>
</td>
<td class="nump">1,379<span></span>
</td>
<td class="nump">891<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_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember', window );">Operating Segments [Member] | Critical Power Segment [Member] | Service [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_SegmentReportingInformationLineItems', window );"><strong>Segment Reporting 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>
<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_Revenues', window );">Revenues</a></td>
<td class="nump">1,995<span></span>
</td>
<td class="nump">2,133<span></span>
</td>
<td class="nump">5,454<span></span>
</td>
<td class="nump">5,877<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_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember', window );">Corporate, Non-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>
<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="text">&#160;<span></span>
</td>
<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_DepreciationAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">7<span></span>
</td>
<td class="nump">8<span></span>
</td>
<td class="nump">22<span></span>
</td>
<td class="nump">25<span></span>
</td>
</tr>
<tr class="re">
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<td class="num">$ (578)<span></span>
</td>
<td class="num">$ (538)<span></span>
</td>
<td class="num">$ (1,740)<span></span>
</td>
<td class="num">$ (1,667)<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_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>
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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>
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</tr>
<tr>
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<tr>
<td><strong> Period Type:</strong></td>
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</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>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>
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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>credit</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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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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>
</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_srt_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_ConsolidationItemsAxis=us-gaap_OperatingSegmentsMember</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>
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<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=ppsi_TAndDSolutionsSegmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=ppsi_TAndDSolutionsSegmentMember</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>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_ProductOrServiceAxis=ppsi_SwitchgearMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=ppsi_SwitchgearMember</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_us-gaap_StatementBusinessSegmentsAxis=ppsi_CriticalPowerSolutionsSegmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=ppsi_CriticalPowerSolutionsSegmentMember</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>
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<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_ProductOrServiceAxis=us-gaap_EquipmentMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=us-gaap_EquipmentMember</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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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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=us-gaap_ServiceMember</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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<td><strong> Period Type:</strong></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">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_ConsolidationItemsAxis=us-gaap_CorporateNonSegmentMember</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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<td><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677519304">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Revenues are attributable to countries based on the location of the Company's customers: (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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>
<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_Revenues', window );">Revenues</a></td>
<td class="nump">$ 5,685<span></span>
</td>
<td class="nump">$ 4,051<span></span>
</td>
<td class="nump">$ 14,813<span></span>
</td>
<td class="nump">$ 14,138<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>
<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>
<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_Revenues', window );">Revenues</a></td>
<td class="nump">$ 5,685<span></span>
</td>
<td class="nump">$ 4,051<span></span>
</td>
<td class="nump">$ 14,813<span></span>
</td>
<td class="nump">$ 14,138<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_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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>
</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>
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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_RevenuesFromExternalCustomersAndLongLivedAssetsLineItems</td>
</tr>
<tr>
<td style="padding-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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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282678970808">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>BUSINESS SEGMENT AND GEOGRAPHIC INFORMATION (Details Narrative)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th">
<div>Sep. 30, 2021 </div>
<div>Number</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>
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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_NumberOfReportableSegments', window );">Number of reportable segments</a></td>
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<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>
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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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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282682506568">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>The components of the lease expense were as follows: (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2020</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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_ppsi_DisclosureLeasesAbstract', window );"><strong>Leases</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>
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<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_OperatingLeaseCost', window );">Operating lease cost</a></td>
<td class="nump">$ 173<span></span>
</td>
<td class="nump">$ 162<span></span>
</td>
<td class="nump">$ 456<span></span>
</td>
<td class="nump">$ 500<span></span>
</td>
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<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_ppsi_FinanceLeasesCostAbstract', window );"><strong>Finance lease cost</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">
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<td class="nump">62<span></span>
</td>
<td class="nump">64<span></span>
</td>
<td class="nump">219<span></span>
</td>
<td class="nump">196<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_FinanceLeaseInterestExpense', window );">&#160;&#160;&#160;Interest on lease liabilities</a></td>
<td class="nump">9<span></span>
</td>
<td class="nump">13<span></span>
</td>
<td class="nump">30<span></span>
</td>
<td class="nump">41<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_FinanceLeaseCost', window );">Total finance lease cost</a></td>
<td class="nump">$ 71<span></span>
</td>
<td class="nump">$ 77<span></span>
</td>
<td class="nump">$ 249<span></span>
</td>
<td class="nump">$ 237<span></span>
</td>
</tr>
</table>
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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;">ppsi_DisclosureLeasesAbstract</td>
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<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>Amount of finance lease cost.</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>
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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>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">ppsi_FinanceLeasesCostAbstract</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_FinanceLeaseInterestExpense">
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<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>
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<td><strong> Balance Type:</strong></td>
<td>debit</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_us-gaap_FinanceLeaseRightOfUseAssetAmortization">
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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 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>
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<td>debit</td>
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<td>duration</td>
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<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>
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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><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
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<head>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679562632">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Supplemental Cash Flows Information (Details) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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_ppsi_DisclosureLeasesAbstract', window );"><strong>Leases</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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeasePayments', window );">&#160;&#160;&#160;Operating cash flow payments for operating leases</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 449<span></span>
</td>
<td class="nump">$ 508<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_FinanceLeaseInterestPaymentOnLiability', window );">&#160;&#160;&#160;Operating cash flow payments for finance leases</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">30<span></span>
</td>
<td class="nump">41<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_FinanceLeasePrincipalPayments1', window );">&#160;&#160;&#160;Financing cash flow payments for finance leases</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">226<span></span>
</td>
<td class="nump">177<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_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability', window );">Operating lease liabilities arising from obtaining right of use assets</a></td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="nump">1,418<span></span>
</td>
<td class="nump">463<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_RightOfUseAssetObtainedInExchangeForFinanceLeaseLiability', window );">Capitalized lease obligations</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">$ 64<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_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;">ppsi_DisclosureLeasesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_FinanceLeasePrincipalPayments1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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>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;">ppsi_FinanceLeasePrincipalPayments1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_FinanceLeaseInterestPaymentOnLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 paid 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 (g)(1)<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 5<br> -Subparagraph (b)<br> -URI http://asc.fasb.org/extlink&amp;oid=123391704&amp;loc=SL77918643-209977<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_FinanceLeaseInterestPaymentOnLiability</td>
</tr>
<tr>
<td style="padding-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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677586792">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Weighted Average Remaining Lease Term and Weighted Average Discount Rate (Details)<br></strong></div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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_ppsi_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 " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseWeightedAverageRemainingLeaseTerm1', window );">Operating Lease, Weighted Average Remaining Lease Term</a></td>
<td class="text">3 years<span></span>
</td>
<td class="text">2 years<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_FinanceLeaseWeightedAverageRemainingLeaseTerm1', window );">Finance Lease, Weighted Average Remaining Lease Term</a></td>
<td class="text">2 years<span></span>
</td>
<td class="text">2 years<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_OperatingLeaseWeightedAverageDiscountRatePercent', window );">Operating Lease, Weighted Average Discount Rate, Percent</a></td>
<td class="nump">5.50%<span></span>
</td>
<td class="nump">5.50%<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_FinanceLeaseWeightedAverageDiscountRatePercent', window );">Finance Lease, Weighted Average Discount Rate, Percent</a></td>
<td class="nump">6.76%<span></span>
</td>
<td class="nump">6.75%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_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;">ppsi_DisclosureLeasesAbstract</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_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>
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<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>
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<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>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<tr>
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<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></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_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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282694036184">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Future minimum lease payments under non-cancellable leases as of September 30, 2021 were as follows: (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Sep. 30, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_DisclosureLeasesAbstract', window );"><strong>Leases</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear', window );">Operating Leases, 2021</a></td>
<td class="nump">$ 184<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_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear', window );">Finance Leases, 2021</a></td>
<td class="nump">66<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_LesseeOperatingLeaseLiabilityPaymentsDueNextTwelveMonths', window );">Operating Leases, 2022</a></td>
<td class="nump">684<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_FinanceLeaseLiabilityPaymentsDueNextTwelveMonths', window );">Finance Leases, 2022</a></td>
<td class="nump">195<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_LesseeOperatingLeaseLiabilityPaymentsDueYearTwo', window );">Operating Leases, 2023</a></td>
<td class="nump">610<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_FinanceLeaseLiabilityPaymentsDueYearTwo', window );">Finance Leases, 2023</a></td>
<td class="nump">257<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_LesseeOperatingLeaseLiabilityPaymentsDueYearThree', window );">Operating Leases, 2024</a></td>
<td class="nump">446<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_FinanceLeaseLiabilityPaymentsDueYearThree', window );">Finance Leases, 2024</a></td>
<td class="nump">21<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_LesseeOperatingLeaseLiabilityPaymentsDueYearFour', window );">Operating Leases, 2025</a></td>
<td class="nump">95<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_FinanceLeaseLiabilityPaymentsDueYearFour', window );">Finance Leases, 2025</a></td>
<td class="text"> <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_LesseeOperatingLeaseLiabilityPaymentsDueAfterYearFive', window );">Operating Leases, Thereafter</a></td>
<td class="nump">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_FinanceLeaseLiabilityPaymentsDueAfterYearFive', window );">Finance Leases, Thereafter</a></td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="rou">
<td class="pl " 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 future minimum lease payments</a></td>
<td class="nump">2,043<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl " 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 future minimum lease payments</a></td>
<td class="nump">539<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_LesseeOperatingLeaseLiabilityUndiscountedExcessAmount', window );">Operating Leases, Less imputed interest</a></td>
<td class="num">(171)<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_FinanceLeaseLiabilityUndiscountedExcessAmount', window );">Finance Leases, Less imputed interest</a></td>
<td class="num">(40)<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_OperatingLeaseLiability', window );">Operating Leases, Total future minmum lease payments</a></td>
<td class="nump">1,872<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_FinanceLeaseLiability', window );">Finance Leases, Total future minmum lease payments</a></td>
<td class="nump">$ 499<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_ppsi_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;">ppsi_DisclosureLeasesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_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_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_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 remainder of current fiscal year.</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 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_FinanceLeaseLiabilityPaymentsRemainderOfFiscalYear</td>
</tr>
<tr>
<td style="padding-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_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_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 having initial or remaining lease term in excess of one year to be paid in remainder of current fiscal year.</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 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_LesseeOperatingLeaseLiabilityPaymentsRemainderOfFiscalYear</td>
</tr>
<tr>
<td style="padding-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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282677612120">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Reported as of September 30, 2021: (Details)<br> $ in Thousands</strong></div></th>
<th class="th">
<div>Sep. 30, 2021 </div>
<div>USD ($)</div>
</th>
</tr>
<tr class="re">
<td class="pl " style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_us-gaap_OperatingLeaseLiability', window );">Operating Lease, Liability</a></td>
<td class="nump">$ 1,872<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_FinanceLeaseLiability', window );">Finance Lease, Liability</a></td>
<td class="nump">499<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_BalanceSheetLocationAxis=us-gaap_AccountsPayableAndAccruedLiabilitiesMember', window );">Accounts Payable and Accrued Liabilities [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_OperatingLeaseLiability', window );">Operating Lease, Liability</a></td>
<td class="nump">613<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_FinanceLeaseLiability', window );">Finance Lease, Liability</a></td>
<td class="nump">194<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_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember', window );">Other Noncurrent Liabilities [Member]</a></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_OperatingLeaseLiability', window );">Operating Lease, Liability</a></td>
<td class="nump">1,259<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_FinanceLeaseLiability', window );">Finance Lease, Liability</a></td>
<td class="nump">$ 305<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_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_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_BalanceSheetLocationAxis=us-gaap_AccountsPayableAndAccruedLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_BalanceSheetLocationAxis=us-gaap_AccountsPayableAndAccruedLiabilitiesMember</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_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.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_BalanceSheetLocationAxis=us-gaap_OtherNoncurrentLiabilitiesMember</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>66
<FILENAME>R55.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;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679422440">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>LEASES (Details Narrative) - USD ($)<br> $ in Thousands</strong></div></th>
<th class="th" colspan="1">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 2021</div></th>
<th class="th"><div>Sep. 30, 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_FinanceLeaseRightOfUseAssetBeforeAccumulatedAmortization', window );">Finance lease assets</a></td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="nump">$ 1,400<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_FinanceLeaseRightOfUseAssetAccumulatedAmortization', window );">Finance leases accumulated depreciation</a></td>
<td class="nump">947<span></span>
</td>
<td class="nump">947<span></span>
</td>
<td class="nump">711<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_OperatingLeaseRightOfUseAsset', window );">Operating lease assets</a></td>
<td class="nump">3,900<span></span>
</td>
<td class="nump">3,900<span></span>
</td>
<td class="nump">2,100<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="top.Show.showAR( this, 'defref_ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization', window );">Operating leases accumulated depreciation</a></td>
<td class="nump">2,100<span></span>
</td>
<td class="nump">2,100<span></span>
</td>
<td class="nump">1,500<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_RightOfUseAssetObtainedInExchangeForOperatingLeaseLiability', window );">Right-of-use asset and lease liability recognized</a></td>
<td class="nump">$ 1,400<span></span>
</td>
<td class="nump">$ 1,418<span></span>
</td>
<td class="nump">$ 463<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]</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_LesseeOperatingLeaseTermOfContract', window );">Lease term</a></td>
<td class="text">1 year<span></span>
</td>
<td class="text">1 year<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]</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_LesseeOperatingLeaseTermOfContract', window );">Lease term</a></td>
<td class="text">5 years<span></span>
</td>
<td class="text">5 years<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_LesseeOperatingLeaseRenewalTerm', window );">Lease renewal term</a></td>
<td class="text">5 years<span></span>
</td>
<td class="text">5 years<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_ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 operating 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;">ppsi_OperatingLeaseRightOfUseAssetAccumulatedAmortization</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_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_LesseeOperatingLeaseRenewalTerm">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Term of lessee's operating lease renewal, 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/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918673-209980<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_LesseeOperatingLeaseRenewalTerm</td>
</tr>
<tr>
<td style="padding-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_LesseeOperatingLeaseTermOfContract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Term of lessee's 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/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 842<br> -SubTopic 20<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (a)(3)<br> -URI http://asc.fasb.org/extlink&amp;oid=123408670&amp;loc=SL77918673-209980<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_LesseeOperatingLeaseTermOfContract</td>
</tr>
<tr>
<td style="padding-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_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_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>
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<tr>
<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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<tr>
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<td>duration</td>
</tr>
</table></div>
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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;">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>
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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_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>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
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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>
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<span style="display: none;">v3.21.2</span><table class="report" border="0" cellspacing="2" id="idm140282679832984">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>SUBSEQUENT EVENTS (Details Narrative) - USD ($)<br> $ / shares in Units, $ in Thousands</strong></div></th>
<th class="th"><div>Nov. 08, 2021</div></th>
<th class="th"><div>Oct. 20, 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_SubsequentEventLineItems', window );"><strong>Subsequent Event [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_ppsi_AggregatePriceMarketSaleAgreement', window );">Aggregate price market sale agreement</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 9,000<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_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember', window );">Subsequent Event [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_SubsequentEventLineItems', window );"><strong>Subsequent Event [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 " 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 under ATM Program</a></td>
<td class="nump">888,500<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_StockIssuedDuringPeriodValueNewIssues', window );">Gross proceeds from ATM Program</a></td>
<td class="nump">$ 9,000<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_SharesIssuedPricePerShare', window );">Price per share</a></td>
<td class="nump">$ 10.1288<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_PaymentsOfStockIssuanceCosts', window );">Costs related to common shares issued</a></td>
<td class="nump">$ 273<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_ppsi_PlacementFeePercentage', window );">Placement fee (percent)</a></td>
<td class="nump">3.00%<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_ppsi_PlacementFeeExpense', window );">Placement fee</a></td>
<td class="nump">$ 270<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_ProceedsFromIssuanceOfCommonStock', window );">Net proceeds from stock issued under ATM Program</a></td>
<td class="nump">$ 8,700<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_ppsi_AggregatePriceMarketSaleAgreement">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 price of offered and sale of common shares under an agreement.</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;">ppsi_AggregatePriceMarketSaleAgreement</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_PlacementFeeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 placement fees.</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;">ppsi_PlacementFeeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_ppsi_PlacementFeePercentage">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="top.Show.toggleNext( this );">- Definition</a><div><p>Placement fee percent.</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;">ppsi_PlacementFeePercentage</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>ppsi_</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_PaymentsOfStockIssuanceCosts">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 for cost incurred directly with the issuance of an equity security.</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> -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_PaymentsOfStockIssuanceCosts</td>
</tr>
<tr>
<td style="padding-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_SharesIssuedPricePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="top.Show.hideAR();">X</a></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 or per unit amount of equity securities issued.</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_SharesIssuedPricePerShare</td>
</tr>
<tr>
<td style="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_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_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>
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<tr>
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<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>
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
