<SEC-DOCUMENT>0001171520-23-000029.txt : 20230117
<SEC-HEADER>0001171520-23-000029.hdr.sgml : 20230117
<ACCEPTANCE-DATETIME>20230117164554
ACCESSION NUMBER:		0001171520-23-000029
CONFORMED SUBMISSION TYPE:	10-Q
PUBLIC DOCUMENT COUNT:		52
CONFORMED PERIOD OF REPORT:	20221130
FILED AS OF DATE:		20230117
DATE AS OF CHANGE:		20230117

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			SONO TEK CORP
		CENTRAL INDEX KEY:			0000806172
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				141568099
		STATE OF INCORPORATION:			NY
		FISCAL YEAR END:			0228

	FILING VALUES:
		FORM TYPE:		10-Q
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-40763
		FILM NUMBER:		23532006

	BUSINESS ADDRESS:	
		STREET 1:		2012 RT 9W BLDG 3
		CITY:			MILTON
		STATE:			NY
		ZIP:			12547
		BUSINESS PHONE:		8457952020

	MAIL ADDRESS:	
		STREET 1:		2012 RT. 9W, BLDG. 3,
		CITY:			MILTON
		STATE:			NY
		ZIP:			12547
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<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">(Exact name of registrant as specified in its charter)</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">&#160;</p>

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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b><span style="text-decoration: underline"><span id="xdx_90A_edei--EntityAddressAddressLine1_c20220301__20221130_zYH5q5ZejRhi"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" name="dei:EntityAddressAddressLine1">2012 Rt. 9W</ix:nonNumeric></span>, <span id="xdx_900_edei--EntityAddressCityOrTown_c20220301__20221130_zegz6AQ2V4tg"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" name="dei:EntityAddressCityOrTown">Milton</ix:nonNumeric></span>, <span id="xdx_90C_edei--EntityAddressStateOrProvince_c20220301__20221130_ziiTA6KDGJm7"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" name="dei:EntityAddressStateOrProvince">NY</ix:nonNumeric></span> <span id="xdx_907_edei--EntityAddressPostalZipCode_c20220301__20221130_zqdeHXsZKZF8"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" name="dei:EntityAddressPostalZipCode">12547</ix:nonNumeric></span></span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">(Address of Principal Executive Offices) (Zip Code)</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">Issuer's telephone no., including area code: <b><span id="xdx_90A_edei--CityAreaCode_c20220301__20221130_zHXl79blIjz4"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" name="dei:CityAreaCode">(845)</ix:nonNumeric></span> <span id="xdx_902_edei--LocalPhoneNumber_c20220301__20221130_zKZ5IQtVUMh"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" name="dei:LocalPhoneNumber">795-2020</ix:nonNumeric></span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">&#160;</p>

<p style="font: 9pt Cambria,serif; margin: 0 0 6pt">Securities Registered Pursuant to Section 12(b) of the Act: </p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr>
    <td style="vertical-align: bottom; width: 35%; font-family: Cambria,serif"><span style="font-size: 9pt"><b><span style="text-decoration: underline">Title of each class</span></b></span></td>
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  </table>
<p style="font: 9pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 9pt Cambria,serif; margin: 0">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;<span style="font-family: MS Gothic">&#9745;</span>&#160;<span id="xdx_909_edei--EntityCurrentReportingStatus_c20220301__20221130_zsv7PGQKNuJ3"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" name="dei:EntityCurrentReportingStatus">Yes</ix:nonNumeric></span>&#160;&#160;&#160;<span style="font-family: MS Gothic">&#9744;</span>&#160;No</p>

<p style="font: 9pt Cambria,serif; margin: 0 9.9pt 0 0">&#160;</p>

<p style="font: 9pt Cambria,serif; margin: 0">Indicate by checkmark whether the registrant has submitted electronically and posted on
its corporate website, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T
(section 229.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit
and post such files). <span style="font-family: MS Gothic">&#9745;</span> &#160;<span id="xdx_902_edei--EntityInteractiveDataCurrent_c20220301__20221130_zRWPp1pSEyc1"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" name="dei:EntityInteractiveDataCurrent">Yes</ix:nonNumeric></span>&#160;&#160;&#160;&#160;<span style="font-family: MS Gothic">&#9744;</span>&#160;No</p>

<p style="font: 9pt Cambria,serif; margin: 0 9.9pt 0 0">&#160;</p>

<p style="font: 9pt Cambria,serif; margin: 0 0 6pt">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.</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr style="vertical-align: top">
    <td style="width: 50%; font-family: Cambria,serif"><span style="font-size: 9pt">Large Accelerated Filer <span style="font-family: MS Mincho">&#9744;</span></span></td>
    <td style="width: 50%; font-family: Cambria,serif"><span style="font-size: 9pt">Accelerated Filer <span style="font-family: MS Mincho">&#9744;</span></span></td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt"><span id="xdx_909_edei--EntityFilerCategory_c20220301__20221130_z0GD30zE2Kdl"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" format="ixt-sec:entityfilercategoryen" name="dei:EntityFilerCategory">Non-Accelerated Filer</ix:nonNumeric></span> <span style="font-family: MS Mincho">&#9745;</span></span></td>
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  <tr style="vertical-align: top">
    <td style="font-family: Cambria,serif">&#160;</td>
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  </table>
<p style="font: 9pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 9pt Cambria,serif; margin: 0">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. <span style="font-family: MS Gothic">&#9744;</span></p>

<p style="font: 9pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 9pt Cambria,serif; margin: 0">Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2
of the Exchange Act). <span style="font-family: MS Gothic">&#9744;</span>&#160;Yes&#160;&#160;&#160;&#160;<span style="font-family: MS Gothic">&#9745;</span>&#160;<span id="xdx_905_edei--EntityShellCompany_c20220301__20221130_zgXfw9U8aSw6"><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" format="ixt:booleanfalse" name="dei:EntityShellCompany">No</ix:nonNumeric></span></p>

<p style="font: 9pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 9pt Cambria,serif; margin: 0; text-align: center">APPLICABLE ONLY TO CORPORATE ISSUERS:</p>

<p style="font: 9pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 9pt Cambria,serif; margin: 0">Indicate the number of shares outstanding of each of the issuer's classes of common stock,
as of the latest practicable date:</p>

<p style="font: 9pt Cambria,serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr style="vertical-align: top">
    <td style="width: 62%; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; width: 38%; padding-left: 5.4pt; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Outstanding
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  <tr style="vertical-align: top">
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt"><span style="text-decoration: underline">Class</span></span></td>
    <td style="padding-left: 5.4pt; font-family: Cambria,serif; text-align: center">&#160;</td></tr>
  <tr style="vertical-align: top">
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  </table>

<!-- Field: Page; Sequence: 1 -->
    <div style="border-bottom: rgb(98,145,178) 2pt solid; margin-top: 12pt; margin-bottom: 6pt; padding-bottom: 2pt"><p style="margin: 0pt">&#160;</p></div>
    <div style="break-before: page; margin-top: 6pt; margin-bottom: 12pt">&#160;</div>
    <!-- Field: /Page -->

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>SONO-TEK CORPORATION</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>INDEX</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr style="vertical-align: top">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">Page</td></tr>
  <tr style="vertical-align: top">
    <td style="width: 93%; font-family: Cambria,serif">Part I - Financial Information</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Cambria,serif">Item 1 &#8211; Condensed Consolidated Financial Statements:</td>
    <td style="font-family: Cambria,serif; text-align: right">1 - 4</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">Condensed Consolidated Balance Sheets &#8211;
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    <td style="font-family: Cambria,serif; text-align: right">1</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">Condensed Consolidated Statements of Income &#8211;
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    <td style="font-family: Cambria,serif; text-align: right">2</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">Condensed Consolidated Statements of Stockholders&#8217;
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    <td style="font-family: Cambria,serif; text-align: right">3</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">Condensed Consolidated Statements of Cash Flows
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    <td style="font-family: Cambria,serif; text-align: right">4</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">Notes to Unaudited Condensed Consolidated Financial
    Statements</td>
    <td style="font-family: Cambria,serif; text-align: right">5 - 11</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-left: 0.25in; font-family: Cambria,serif; text-indent: -0.25in">Item 2 - Management's Discussion and Analysis
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    <td style="font-family: Cambria,serif; text-align: right">12 &#8211;19</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Cambria,serif">Item 3 &#8211; Quantitative and Qualitative Disclosures about Market Risk</td>
    <td style="font-family: Cambria,serif; text-align: right">20</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Cambria,serif">Item 4 &#8211; Controls and Procedures</td>
    <td style="font-family: Cambria,serif; text-align: right">20</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Cambria,serif">Part II - Other Information</td>
    <td style="font-family: Cambria,serif; text-align: right">21</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Cambria,serif">Signatures and Certifications</td>
    <td style="font-family: Cambria,serif; text-align: right">22</td></tr>
  </table>
<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>


<!-- Field: Page; Sequence: 2 -->
    <div style="border-bottom: rgb(98,145,178) 2pt solid; margin-top: 12pt; margin-bottom: 6pt; padding-bottom: 2pt"><p style="margin: 0pt">&#160;</p></div>
    <div style="break-before: page; margin-top: 6pt; margin-bottom: 12pt">&#160;</div>
    <!-- Field: /Page -->

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>SONO-TEK CORPORATION</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>CONDENSED CONSOLIDATED BALANCE SHEETS</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<table cellpadding="0" cellspacing="0" id="xdx_306_111_zdTDr40cI0Gf" summary="xdx: Statement - Condensec Consolidated Balance Sheets" style="border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
    <td><span style="font-size: 8pt">&#160;</span></td><td style="font: bold 8pt Cambria,serif"><span style="font-size: 8pt">&#160;</span></td>
    <td colspan="2" id="xdx_493_20221130_zPRxgkQkCSH4" style="font: bold 8pt Cambria,serif; text-align: center"><span style="font-size: 8pt">November 30,</span></td><td style="font: bold 8pt Cambria,serif"><span style="font-size: 8pt">&#160;</span></td><td><span style="font-size: 8pt">&#160;</span></td>
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    <td><span style="font-size: 8pt">&#160;</span></td><td style="font: bold 8pt Cambria,serif"><span style="font-size: 8pt">&#160;</span></td>
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  <tr style="vertical-align: bottom">
    <td><span style="font-size: 8pt">&#160;</span></td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"><span style="font-size: 8pt">&#160;</span></td>
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  <tr id="xdx_404_eus-gaap--AssetsAbstract_iB_zcYfCUKgeL47" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: bold 10pt Cambria,serif"><span style="font-size: 10pt">ASSETS</span></td><td><span style="font-size: 10pt">&#160;</span></td>
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    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_405_eus-gaap--AssetsCurrentAbstract_iB_znvxGcFtmeii" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">Current Assets:</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_409_eus-gaap--CashAndCashEquivalentsAtCarryingValue_i01I_maACzxeY_zBvyKISwU0Bj" style="vertical-align: bottom; background-color: White">
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  <tr id="xdx_407_eus-gaap--MarketableSecuritiesCurrent_i01I_maACzxeY_zlbg11plHiPf" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; text-indent: -13.5pt; padding-left: 31.5pt"><span style="font-size: 10pt">Marketable
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    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="us-gaap:MarketableSecuritiesCurrent" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">8,073,293</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="us-gaap:MarketableSecuritiesCurrent" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">5,867,990</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_400_eus-gaap--AccountsReceivableNetCurrent_i01I_maACzxeY_zjAFxLGTz1Oa" style="vertical-align: bottom; background-color: White">
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  <tr id="xdx_404_eus-gaap--InventoryGross_i01I_maACzxeY_zLvcjyUUdf2h" style="vertical-align: bottom; background-color: rgb(230,239,255)">
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  <tr id="xdx_402_eus-gaap--PrepaidExpenseAndOtherAssetsCurrent_i01I_maACzxeY_zIWdUGwGndKa" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt; padding-left: 0.25in"><span style="font-size: 10pt">Prepaid
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    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="us-gaap:PrepaidExpenseAndOtherAssetsCurrent" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">323,304</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_403_eus-gaap--AssetsCurrent_iTI_maCzILm_mtACzxeY_zN5nJZIlX6P2" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt; padding-left: 0.75in"><span style="font-size: 10pt">Total
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  <tr style="vertical-align: bottom; background-color: White">
    <td><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_407_eus-gaap--Land_iI_maCzILm_zGgRuWVSg7Q9" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">Land</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="us-gaap:Land" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">250,000</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="us-gaap:Land" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">250,000</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_40B_ecustom--BuildingsAndImprovementsNet_iI_maCzILm_zG3zmyh7Vswa" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">Buildings, net</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
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    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="sotk:BuildingsAndImprovementsNet" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,621,878</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_40E_ecustom--EquipmentFurnishingsAndBuildingImprovementsNet_iI_maCzILm_zVXZYsbRGFC6" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; text-indent: -0.25in; padding-left: 0.25in"><span style="font-size: 10pt">Equipment,
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    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="sotk:EquipmentFurnishingsAndBuildingImprovementsNet" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,042,927</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="sotk:EquipmentFurnishingsAndBuildingImprovementsNet" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">939,306</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--IntangibleAssetsNetExcludingGoodwill_iI_maCzILm_zFWr3VFoiaSa" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">Intangible assets, net</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">61,867</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt"><ix:nonFraction name="us-gaap:IntangibleAssetsNetExcludingGoodwill" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">76,015</ix:nonFraction></span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_406_eus-gaap--DeferredIncomeTaxAssetsNet_iI_maCzILm_zmyirOlykBPg" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt"><span style="font-size: 10pt">Deferred tax asset</span></td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt"><span style="font-size: 10pt">&#160;</span></td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_408_eus-gaap--Assets_iTI_mtCzILm_z9dLOXpM1XFd" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 2.5pt"><span style="font-size: 10pt">TOTAL ASSETS</span></td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"><span style="font-size: 10pt">&#160;</span></td>
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  <tr style="vertical-align: bottom; background-color: White">
    <td><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
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    <td><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
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  <tr id="xdx_40F_eus-gaap--ContractWithCustomerLiabilityCurrent_i01I_maCz4Cq_zMLViHssTiDk" style="vertical-align: bottom; background-color: rgb(230,239,255)">
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  <tr id="xdx_40B_eus-gaap--LiabilitiesCurrent_iTI_mtCz4Cq_maCzq2s_zl28gsdCpAhg" style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td><td style="font: 10pt Cambria,serif"><span style="font-size: 10pt">&#160;</span></td>
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  <tr id="xdx_406_eus-gaap--DeferredIncomeTaxLiabilitiesNet_iI_maCzq2s_zAc6If5XRJCh" style="vertical-align: bottom; background-color: White">
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  <tr id="xdx_403_eus-gaap--Liabilities_iTI_mtCzq2s_maCzYCR_zMLtOtQY2tR6" style="vertical-align: bottom; background-color: rgb(230,239,255)">
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  <tr style="vertical-align: bottom; background-color: White">
    <td><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_404_eus-gaap--StockholdersEquityAbstract_iB_zvDMtHv8yn03" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left"><span style="font-size: 10pt">Stockholders&#8217; Equity</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td><span style="font-size: 10pt">&#160;</span></td>
    <td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: right"><span style="font-size: 10pt">&#160;</span></td><td style="text-align: left"><span style="font-size: 10pt">&#160;</span></td></tr>
  <tr id="xdx_401_eus-gaap--CommonStockValue_i01I_maCzj8e_zQAKWPN3zoha" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; text-indent: -9pt; padding-left: 27pt"><span style="font-size: 10pt">Common
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  <tr id="xdx_407_eus-gaap--AdditionalPaidInCapital_i01I_maCzj8e_zpoXp1lBFSTl" style="vertical-align: bottom; background-color: rgb(230,239,255)">
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  <tr id="xdx_408_eus-gaap--RetainedEarningsAccumulatedDeficit_i01I_maCzj8e_zpFtsS9fsQOd" style="vertical-align: bottom; background-color: White">
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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">See notes to unaudited condensed consolidated financial statements.</p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>SONO-TEK CORPORATION</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>CONDENSED CONSOLIDATED STATEMENTS OF INCOME</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>(Unaudited)</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">&#160;</p>

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  <tr id="xdx_403_eus-gaap--GeneralAndAdministrativeExpense_i01_maCzRpe_zdj13cMId7Qd" style="vertical-align: bottom; background-color: White">
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<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">See notes to unaudited condensed consolidated financial statements.</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">&#160;</p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>SONO-TEK CORPORATION</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>CONDENSED CONSOLIDATED STATEMENTS OF STOCKHOLDERS&#8217; EQUITY</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: left"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b><span style="text-decoration: underline">Three and Nine Months Ended November 30, 2022</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: left"><b>&#160;</b></p>

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  <tr style="vertical-align: bottom">
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  <tr id="xdx_43A_c20220301__20220531_eus-gaap--StockholdersEquity_iS_zvVA10D1g9e5" style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
    <td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" contextRef="From2022-03-012022-05-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">69,369</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_40C_eus-gaap--NetIncomeLoss_z7k3bPwFDJ8h" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 9pt Cambria,serif; text-align: left; padding-bottom: 1pt">Net Income</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2022-03-012022-05-31_us-gaap_RetainedEarningsMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">305,636</ix:nonFraction></td><td style="font: 9pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2022-03-012022-05-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">305,636</ix:nonFraction></td><td style="font: 9pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td></tr>
  <tr id="xdx_432_c20220601__20220831_eus-gaap--StockholdersEquity_iS_z2jJjA582z6g" style="vertical-align: bottom; background-color: White">
    <td style="font: 9pt Cambria,serif">Balance, May 31, 2022 (unaudited)</td><td style="font: 9pt Cambria,serif">&#160;</td>
    <td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98F_eus-gaap--SharesOutstanding_c20220531__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_pdd" title="Beginning balance, Shares" style="font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:SharesOutstanding" contextRef="AsOf2022-05-31_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">15,729,175</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
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  <tr id="xdx_406_eus-gaap--AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_zTsTT8gSfvEb" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 9pt Cambria,serif; text-align: left">Stock based compensation expense</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
    <td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" contextRef="From2022-06-012022-08-31_us-gaap_AdditionalPaidInCapitalMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">43,032</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
    <td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue" contextRef="From2022-06-012022-08-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">43,032</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_409_eus-gaap--StockIssuedDuringPeriodValueStockOptionsExercised_zmzeH8u3eoF" style="vertical-align: bottom; background-color: White">
    <td style="font: 9pt Cambria,serif">Cashless exercise of stock options</td><td style="font: 9pt Cambria,serif">&#160;</td>
    <td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_987_ecustom--StockIssuedDuringPeriodSharesCashlessExerciseStockOptions_c20220601__20220831__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_pdd" title="Cashless exercise of stock options, Shares" style="font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="sotk:StockIssuedDuringPeriodSharesCashlessExerciseStockOptions" contextRef="From2022-06-012022-08-31_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">5,553</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
    <td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised" contextRef="From2022-06-012022-08-31_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">56</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
    <td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; text-align: right">(<ix:nonFraction name="us-gaap:StockIssuedDuringPeriodValueStockOptionsExercised" contextRef="From2022-06-012022-08-31_us-gaap_AdditionalPaidInCapitalMember" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">56</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">)</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
    <td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0270">&#8212;</span></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_404_eus-gaap--NetIncomeLoss_zVw2ygCCar5l" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 9pt Cambria,serif; text-align: left; padding-bottom: 1pt">Net Income</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:NetIncomeLoss" contextRef="From2022-06-012022-08-31_us-gaap_RetainedEarningsMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">162,123</ix:nonFraction></td><td style="font: 9pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
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  <tr id="xdx_435_c20220901__20221130_eus-gaap--StockholdersEquity_iS_zGRTaMzUPPTg" style="vertical-align: bottom; background-color: White">
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    <td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_986_eus-gaap--SharesOutstanding_iI_c20220831__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zyPkLum1ZbMe" title="Beginning balance, Shares" style="font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:SharesOutstanding" contextRef="AsOf2022-08-31_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">15,734,728</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
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    <td style="font: 9pt Cambria,serif; text-align: left">$</td><td style="font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:StockholdersEquity" contextRef="AsOf2022-08-31_us-gaap_RetainedEarningsMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">4,741,493</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td><td style="font: 9pt Cambria,serif">&#160;</td>
    <td style="font: 9pt Cambria,serif; text-align: left">$</td><td style="font: 9pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:StockholdersEquity" contextRef="AsOf2022-08-31" format="ixt:numdotdecimal" decimals="0" unitRef="USD">14,321,473</ix:nonFraction></td><td style="font: 9pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_408_eus-gaap--AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_zis4RHiyInB3" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 9pt Cambria,serif; text-align: left">Stock based compensation expense</td><td style="font: 10pt Cambria,serif">&#160;</td>
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<p style="font: 10pt Cambria,serif; margin: 0; text-align: left">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: left">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b><span style="text-decoration: underline">Three and Nine Months Ended November 30, 2021</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: left">&#160;</p>

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    <td style="font-size: 9pt">Cashless exercise of stock options</td><td style="font-size: 9pt">&#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><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="font-size: 9pt; 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><td style="padding-bottom: 1pt">&#160;</td>
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<p style="font: 10pt Cambria,serif; margin: 0; text-align: left"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: left">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">See notes to unaudited condensed consolidated financial statements.</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: left">&#160;</p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>SONO-TEK CORPORATION</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>(Unaudited)</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">&#160;</p>

<table cellpadding="0" cellspacing="0" id="xdx_308_112_zpeI3R43sG12" summary="xdx: Statement - Condensed Consolidated Statements of Cash Flows" style="border-collapse: collapse; width: 100%">
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    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td colspan="2" id="xdx_491_20220301__20221130_zn8Ffd8d2V17" style="font: 10pt Cambria,serif; text-align: center">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif; text-align: center">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">Unaudited</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">Nine&#160;Months&#160;Ended<br /> November 30,</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">2022</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">2021</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td colspan="2" style="font: 10pt Cambria,serif; text-align: center">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td colspan="2" style="font: 10pt Cambria,serif; text-align: center">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td></tr>
  <tr id="xdx_409_eus-gaap--NetCashProvidedByUsedInOperatingActivitiesAbstract_iB_zg7DMf2ICas" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: bold 10pt Cambria,serif; text-align: left">CASH FLOWS FROM OPERATING ACTIVITIES:</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_402_eus-gaap--ProfitLoss_i01_maCzMXv_zy8x44eu4E3j" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; width: 72%; text-align: left; padding-left: 0.15in">Net Income</td><td style="font: 10pt Cambria,serif; width: 2%">&#160;</td>
    <td style="font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td style="font: 10pt Cambria,serif; width: 10%; text-align: right"><ix:nonFraction name="us-gaap:ProfitLoss" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">572,657</ix:nonFraction></td><td style="font: 10pt Cambria,serif; width: 1%; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%">&#160;</td>
    <td style="font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td style="font: 10pt Cambria,serif; width: 10%; text-align: right"><ix:nonFraction name="us-gaap:ProfitLoss" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,986,745</ix:nonFraction></td><td style="font: 10pt Cambria,serif; width: 1%; text-align: left">&#160;</td></tr>
  <tr id="xdx_40C_eus-gaap--AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract_i01B_zYKR1XWk7U22" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 0.15in">Adjustments to reconcile net income&#160;to net cash provided by operating activities:</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_40B_eus-gaap--DepreciationDepletionAndAmortization_i01_maCzMXv_zgjCq56L7Jb" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 0.5in">Depreciation and amortization</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:DepreciationDepletionAndAmortization" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">366,238</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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  <tr id="xdx_40B_eus-gaap--StockOptionPlanExpense_i01_maCzMXv_zBLvF1qWK1l4" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 0.5in">Stock based compensation expense</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:StockOptionPlanExpense" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">173,259</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:StockOptionPlanExpense" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">92,680</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_40C_eus-gaap--InventoryLIFOReservePeriodCharge_i01_maCzMXv_zWHavbZ1vha2" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 0.5in">Inventory reserve</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">(<ix:nonFraction name="us-gaap:InventoryLIFOReservePeriodCharge" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">14,854</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">)</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">(<ix:nonFraction name="us-gaap:InventoryLIFOReservePeriodCharge" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">3,919</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">)</td></tr>
  <tr id="xdx_40D_ecustom--PaycheckProtectionProgramLoanForgiveness_i01_maCzMXv_zHcTA43Vsml8" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 0.5in">Paycheck Protection Program Loan Forgiveness</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0414">&#8212;</span></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">(<ix:nonFraction name="sotk:PaycheckProtectionProgramLoanForgiveness" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">1,005,372</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">)</td></tr>
  <tr id="xdx_406_eus-gaap--MarketableSecuritiesUnrealizedGainLoss_i01N_di_msCzMXv_zeUbxIxFkOv6" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 0.5in">Unrealized loss on marketable securities</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:MarketableSecuritiesUnrealizedGainLoss" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">40,256</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><span style="-sec-ix-hidden: xdx2ixbrl0418">&#8212;</span></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_407_eus-gaap--DeferredIncomeTaxExpenseBenefit_i01_maCzMXv_z1DzYIkSH7Ag" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 0.5in">Deferred tax expense</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">(<ix:nonFraction name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">178,281</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">)</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:DeferredIncomeTaxExpenseBenefit" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">23,718</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_40E_eus-gaap--IncreaseDecreaseInOperatingLiabilitiesAbstract_i01B_zjsgoD7bYZ9g" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 0.5in">Decrease (Increase) in:</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_405_eus-gaap--IncreaseDecreaseInAccountsReceivable_i02N_di_msCzMXv_zVIyZlKxJMV2" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 49.5pt">Accounts receivable</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">(<ix:nonFraction name="us-gaap:IncreaseDecreaseInAccountsReceivable" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">348,693</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">)</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:IncreaseDecreaseInAccountsReceivable" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">194,342</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_40E_eus-gaap--IncreaseDecreaseInInventories_i02N_di_msCzMXv_zsdgiyU8CfWe" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; padding-left: 49.5pt">Inventories</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">(<ix:nonFraction name="us-gaap:IncreaseDecreaseInInventories" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">872,315</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">)</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">(<ix:nonFraction name="us-gaap:IncreaseDecreaseInInventories" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">184,738</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">)</td></tr>
  <tr id="xdx_40F_eus-gaap--IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets_i02N_di_msCzMXv_z80vMlPDsx6b" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 49.5pt">Prepaid expenses and other current assets</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">172,673</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">11,460</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_402_eus-gaap--IncreaseDecreaseInOperatingLiabilitiesAbstract_i01B_zkLHToj7Vvai" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 0.5in">(Decrease) Increase in:</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_40F_eus-gaap--IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_i02_maCzMXv_z4DmKV1E8CFl" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 49.5pt">Accounts payable and accrued expenses</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">357,451</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">(<ix:nonFraction name="us-gaap:IncreaseDecreaseInAccountsPayableAndAccruedLiabilities" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" sign="-" unitRef="USD">431,934</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">)</td></tr>
  <tr id="xdx_401_eus-gaap--IncreaseDecreaseInContractWithCustomerLiability_i02_maCzMXv_zrgEjmAyodvk" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-left: 49.5pt">Customer deposits</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:IncreaseDecreaseInContractWithCustomerLiability" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">580,680</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:IncreaseDecreaseInContractWithCustomerLiability" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">729,130</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_403_eus-gaap--IncreaseDecreaseInAccruedTaxesPayable_i02_maCzMXv_zGXjZCZT1R25" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt; padding-left: 49.5pt">Income taxes payable</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:IncreaseDecreaseInAccruedTaxesPayable" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">145,487</ix:nonFraction></td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
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  <tr id="xdx_403_eus-gaap--NetCashProvidedByUsedInOperatingActivities_iT_mtCzMXv_maCCERCztyo_zAz9aOa68kWj" style="vertical-align: bottom; background-color: White">
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">See notes to unaudited condensed consolidated financial statements.</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">&#160;</p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>SONO-TEK CORPORATION</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>NOTES TO UNAUDITED CONDENSED CONSOLIDATED FINANCIAL STATEMENTS</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>NINE MONTHS ENDED NOVEMBER 30, 2022 and 2021</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock"><p id="xdx_807_eus-gaap--BusinessDescriptionAndBasisOfPresentationTextBlock_zt4wN4JjwV06" style="font: 10pt Cambria,serif; margin: 0 0 0 0.5in; text-align: justify; text-indent: -0.5in"><b>NOTE 1: <span id="xdx_824_zOsYu1CC409a">BUSINESS DESCRIPTION</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">Sono-Tek Corporation (the &#8220;Company&#8221;, &#8220;Sono-Tek&#8221;, &#8220;We&#8221;
or &#8220;Our&#8221;) was incorporated in New York on March 21, 1975. We are the world leader in the design and manufacture of ultrasonic
coating systems for applying precise, thin film coatings to add functional properties, protect or strengthen surfaces on parts and components
for the microelectronics/electronics, alternative energy, medical, industrial and emerging research &amp; development/other markets. We
design and manufacture custom-engineered ultrasonic coating systems incorporating our patented technology, in combination with strong
applications engineering knowledge, to assist our customers in achieving their desired coating solutions.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The accompanying unaudited condensed consolidated financial statements have been prepared
in accordance with accounting principles generally accepted in the United States (&#8220;GAAP&#8221;) for interim financial information
with the instructions for Form 10-Q and Article 8 of Regulation S-X. Accordingly, the unaudited condensed consolidated financial statements
do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of the Company&#8217;s
management, all adjustments considered necessary for a fair presentation (consisting of normal recurring adjustments) have been included.
The results for the interim periods are not necessarily indicative of what the results will be for the fiscal year. The accompanying unaudited
condensed consolidated financial statements should be read in conjunction with the audited Consolidated Financial Statements as of and
for the fiscal year ended February 28, 2022 (&#8220;fiscal year 2022&#8221;) contained in the Company&#8217;s 2022 Annual Report on Form
10-K filed with the SEC on May 24, 2022. The Company&#8217;s current fiscal year ends on February 28, 2023 (&#8220;fiscal 2023&#8221;).</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:SignificantAccountingPoliciesTextBlock"><p id="xdx_808_eus-gaap--SignificantAccountingPoliciesTextBlock_zOGp1Bndb6w" style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"><b>NOTE 2: <span id="xdx_824_zNBCavqGOVhd">SIGNIFICANT ACCOUNTING POLICIES</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:ConsolidationPolicyTextBlock"><p id="xdx_84A_eus-gaap--ConsolidationPolicyTextBlock_z9SYKyAgfP7l" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_86F_zpMjGt2HCfmb">Consolidation</span></i></b> - The accompanying unaudited condensed consolifdated financial
statements of the Company include the accounts of the Company and its wholly owned subsidiary, Sono-Tek Industrial Park, LLC (&#8220;SIP&#8221;)
in conformity with generally accepted accounting principles in the United States (&#8220;GAAP&#8221;). SIP operates as a real estate holding
company for the Company&#8217;s real estate operations. All intercompany accounts and transactions have been eliminated in consolidation.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:FairValueOfFinancialInstrumentsPolicy"><p id="xdx_84C_eus-gaap--FairValueOfFinancialInstrumentsPolicy_zfrUkDClG951" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_865_zuypEkFerqB4">Fair Value of Financial Instruments</span></i></b> - The Company applies Accounting Standards
Codification (&#8220;ASC&#8221;) 820,&#160;<i>Fair Value Measurement&#160;</i>(&#8220;ASC 820&#8221;), which establishes a framework for
measuring fair value and clarifies the definition of fair value within that framework. ASC 820 defines fair value as an exit price, which
is the price that would be received for an asset or paid to transfer a liability in the Company&#8217;s principal or most advantageous
market in an orderly transaction between market participants on the measurement date. The fair value hierarchy established in ASC 820
generally requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair
value. Observable inputs reflect the assumptions that market participants would use in pricing the asset or liability and are developed
based on market data obtained from sources independent of the reporting entity. Unobservable inputs reflect the entity&#8217;s own assumptions
based on market data and the entity&#8217;s judgments about the assumptions that market participants would use in pricing the asset or
liability and are to be developed based on the best information available in the circumstances.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The carrying amounts of financial instruments reported in the accompanying unaudited condensed
consolidated financial statements for current assets and current liabilities approximate the fair value because of the immediate or short-term
maturities of the financial instruments.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The valuation hierarchy is composed of three levels. The classification within the valuation
hierarchy is based on the lowest level of input that is significant to the fair value measurement. The levels within the valuation hierarchy
are described below:</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Level 1 &#8212; Assets and liabilities with unadjusted, quoted prices listed on active
market exchanges. Inputs to the fair value measurement are observable inputs, such as quoted prices in active markets for identical assets
or liabilities.</p>


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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Level 2 &#8212; Inputs to the fair value measurement are determined using prices for recently
traded assets and liabilities with similar underlying terms, as well as direct or indirect observable inputs, such as interest rates and
yield curves that are observable at commonly quoted intervals.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Level 3 &#8212; Inputs to the fair value measurement are unobservable inputs, such as estimates,
assumptions, and valuation techniques when little or no market data exists for the assets or liabilities.</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white">&#160;</p>

<ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock"><p id="xdx_89A_eus-gaap--FairValueAssetsMeasuredOnRecurringBasisTextBlock_zJQDaNgDDJs1" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white">The fair values of financial assets of the
Company were determined using the following categories at November 30, 2022 and February 28, 2022, respectively:</p>

<p style="font: 10pt Cambria,serif; margin: 0; background-color: white"><span id="xdx_8BC_zuNIIUpI71D" style="display: none">Schedule of Significant Accounting Policies - Fair values of
financial assets of the Company</span></p>

<table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%">
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  <tr style="vertical-align: bottom; background-color: White">
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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</ix:nonNumeric><p id="xdx_8A8_zvVSrdt6Je83" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; background-color: white">Marketable Securities include mutual funds, certificates of deposit
and US Treasury securities, totaling $8,073,293 and $5,867,990 that are considered to be highly liquid and easily tradeable as of November
30, 2022 and February 28, 2022, respectively. Mutual funds and US Treasury securities are valued using inputs observable in active markets
for identical securities and are therefore classified as Level&#160;1 and certificates of deposit are classified as Level 2 within the
Company&#8217;s fair value hierarchy.</p>

<p style="font: 10pt Cambria,serif; margin: 0; background-color: white">&#160;</p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:IncomeTaxPolicyTextBlock"><p id="xdx_844_eus-gaap--IncomeTaxPolicyTextBlock_zBXVVGUHRYJb" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_86B_z8KT6pCb4R2d">Income Taxes</span></i></b> - The Company accounts for income taxes under the asset and
liability method. Under this method, deferred income taxes are recognized for the tax consequences of &#34;temporary differences&#34;
by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts and
the tax basis of existing assets and liabilities. If it is more likely than not that some portion or all of a deferred tax asset will
not be realized, a valuation allowance is recognized. The Company uses a recognition threshold and a measurement attribute for financial
statement recognition and measurement of tax positions taken or expected to be taken in a return. For those benefits to be recognized,
a tax position must be more likely than not to be sustained upon examination by taxing authorities. As of November 30, 2022 and February
28, 2022, there were no accruals for uncertain tax positions.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:InventoryPolicyTextBlock"><p id="xdx_84B_eus-gaap--InventoryPolicyTextBlock_zqPJ1nMDMGwd" style="font: 10pt Cambria,serif; margin: 0"><span style="background-color: white"><b><i><span id="xdx_86C_zyaeEipS77i9">Inventories</span></i></b>&#160;- Inventories are
stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out (FIFO) method for raw materials,
subassemblies and work-in-progress and the specific identification method for finished goods. Management compares the cost of inventory
with the net realizable value and, if applicable, an allowance is made for writing down the inventory to its net realizable value, if
lower than cost. On an ongoing basis, inventory is reviewed for potential write-down for estimated obsolescence or unmarketable inventory
based upon forecasts for future demand and market conditions.</span></p>
<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:UseOfEstimates"><p id="xdx_843_eus-gaap--UseOfEstimates_z0xlYph1M9p4" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_862_zjCy7nPg1Oeb">Management Estimates</span></i></b> - The preparation of the unaudited condensed consolidated
financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of
assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial
statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock"><p id="xdx_848_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zDSue9uOO4ml" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_860_zymvvjPYpDV7">New Accounting Pronouncements</span></i></b> - In June 2016, the FASB issued ASU 2016-13
- Financial Instruments-Credit Losses-Measurement of Credit Losses on Financial Instruments. Codification Improvements to Topic 326, Financial
Instruments &#8211; Credit Losses, have been released in November 2018 (2018-19), November 2019 (2019-10 and 2019-11) and a January 2020
Update (2020-02) that provided additional guidance on this Topic. This guidance replaces the current incurred loss impairment methodology
with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information
to inform credit loss estimates. For SEC filers meeting certain criteria, the amendments in this ASU are effective for fiscal years, and
interim periods within those fiscal years, beginning after December 15, 2019. For SEC filers that meet the criteria of a smaller reporting
company (including this Company) and for non-SEC registrant public companies and other organizations, the amendments in this ASU are effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. Early adoption will be permitted for
all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The Company is currently
in the process of its analysis of the impact of this guidance on its consolidated financial statements and does not expect the adoption
of this guidance to have a material impact on the Company&#8217;s consolidated financial statements.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Other than Accounting Standards Update ASU 2016-13 discussed above, all new accounting
pronouncements issued but not yet effective have been deemed to be not applicable to the Company. Hence, the adoption of these new accounting
pronouncements, once effective, is not expected to have an impact on the Company.</p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:StandardProductWarrantyPolicy"><p id="xdx_840_eus-gaap--StandardProductWarrantyPolicy_zoSHzZFjMKpk" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_869_zVLkxmXwxRQa">Product Warranty</span></i></b> - Expected future product warranty expense is recorded when
the product is sold.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:RevenueRecognitionPolicyTextBlock"><p id="xdx_84C_eus-gaap--RevenueRecognitionPolicyTextBlock_zIFO9z1rmKj3" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_869_zUQpvRQWIA62">Revenue Recognition</span></i></b> - The Company recognizes revenue in
accordance with ASC 606, Revenue from Contracts with Customers, the core principle of which is that an entity should recognize
revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the
entity expects to be entitled to receive in exchange for those goods or services. To determine revenue recognition for arrangements
that the Company determines are within the scope of ASC 606, the Company performs the following five steps:</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font-size: 10pt">
  <tr style="vertical-align: top">
    <td style="width: 24px">&#160;</td>
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  <tr style="vertical-align: top">
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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="sotk:UncertaintiesPolicyTextBlock"><p id="xdx_845_ecustom--UncertaintiesPolicyTextBlock_zrjUsKWivWNg" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_867_zfPfMMj9M7gf">Uncertainties</span></i></b> - Since early 2020, when the World Health Organization
established the transmissible and pathogenic coronavirus a global pandemic, there have been business slowdowns. The outbreak of such
a communicable disease has resulted in a widespread health crisis which has adversely affected general commercial activity and the
economies and financial markets of many countries, including the United States. As the outbreak of the disease has continued through
fiscal 2022 and into fiscal 2023, the measures taken by the governments of impacted countries have, at times, adversely affected the
Company&#8217;s business, financial condition, and results of operations. Pandemic related supply shortages and increased energy
expenses resulting from the war in Ukraine have recently created worldwide inflationary pressures which may have a material adverse
effect on the Company's business, financial condition, and results of operations if such factors continue unabated.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">We have encountered challenges in our supply of various materials and components, and electronic
components in particular, due to well-documented shortages and constraints in the global supply chain. Lead times for ordered components
may vary significantly, and some components used to manufacture our products are provided by a limited number of sources. We have experienced
lengthened lead times throughout our supply chain as a result of supply chain constraints and material shortages that have occurred in
the recent months, and may continue through fiscal year 2023. This has been exacerbated by the recent resurgence of the COVID-19 pandemic
in certain parts of China, which has resulted in the temporary closure of manufacturing facilities, including those that manufacture electronic
parts that we include in our products.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

</ix:nonNumeric></ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:RevenueFromContractWithCustomerTextBlock"><p id="xdx_808_eus-gaap--RevenueFromContractWithCustomerTextBlock_zqeJ1XEqQeS3" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 3: <span id="xdx_82B_zXR8m4oEFXa9">REVENUE RECOGNITION</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">A majority of the Company&#8217;s sales revenue is derived primarily from short term contracts
with customers which are primarily in effect for less than twelve months. Sales revenue from manufactured equipment transferred at a single
point in time accounts for a majority of the Company&#8217;s revenue.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Sales revenue is recognized when control of the Company&#8217;s manufactured equipment
is transferred to its customers, in an amount that reflects the consideration the Company expects to receive based upon the agreed transaction
price. The Company&#8217;s performance obligations are satisfied when its customers take control of the purchased equipment, which is
based on the contract terms. Based on prior experience, the Company reasonably estimates its sales returns and warranty reserves. Sales
are presented net of discounts and allowances. Discounts and allowances are determined when a sale is negotiated. The Company does not
grant its customers or independent representatives, the ability to return equipment nor does it grant price adjustments after a sale is
complete.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company does not capitalize any sales commission costs related to the acquisition of
a contract. All commissions related to a performance obligation that are satisfied at a point in time are expensed when the customer takes
control of the purchased equipment.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company applies the practical expedient in paragraph ASC 606-10-50-14 and does not
disclose information about remaining performance obligations that have original expected durations of one-year or less.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">At November 30, 2022, the Company had received $<span id="xdx_90D_eus-gaap--CustomerAdvancesAndDeposits_iI_pp0p0_c20221130_zS6JylFrIao9" title="Cash deposits"><ix:nonFraction name="us-gaap:CustomerAdvancesAndDeposits" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,749,000</ix:nonFraction></span> in cash deposits, and had issued
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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">At February 28, 2022, the Company had received $<span id="xdx_908_eus-gaap--CustomerAdvancesAndDeposits_iI_pp0p0_c20220228_ziHHLqRwUNc9" title="Cash deposits"><ix:nonFraction name="us-gaap:CustomerAdvancesAndDeposits" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,168,000</ix:nonFraction></span> in cash deposits for customer
orders. During the nine months ended November 30, 2022, the Company recognized $<span id="xdx_907_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pp0p0_c20220301__20221130_zfalwDGYJGF7" title="Revenue recognized"><ix:nonFraction name="us-gaap:ContractWithCustomerLiabilityRevenueRecognized" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,114,000</ix:nonFraction></span> of these deposits as revenue.</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: justify">&#160;</p>

<ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock"><p id="xdx_895_eus-gaap--ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock_z2ZXuOodbwQd" style="font: 10pt Cambria,serif; margin: 0; text-align: justify">The Company&#8217;s sales revenue by product line is as follows:</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: justify"><span style="display: none"><span id="xdx_8B3_zWN6Oy9dgB29">Schedule of Revenue Recognition - Sales Revenue by Product Line</span></span></p>

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  <tr style="vertical-align: bottom">
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November&#160;30,</b></span></td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
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    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_985_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" title="Sales revenue" style="width: 7%; font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-09-012021-11-30_custom_FluxingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">104,000</ix:nonFraction></td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
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    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" title="Sales revenue" style="width: 7%; font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-03-012021-11-30_custom_FluxingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">579,000</ix:nonFraction></td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_980_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right"><ix:nonFraction name="sotk:SalesRevenuePercent" contextRef="From2021-03-012021-11-30_custom_FluxingSystemsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">5</ix:nonFraction>%</td>
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  <tr style="vertical-align: bottom; background-color: White">
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">Integrated Coating Systems</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_989_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" title="Sales revenue" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2022-09-012022-11-30_custom_IntegratedCoatingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">193,000</ix:nonFraction></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98B_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" title="Sales revenue" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-09-012021-11-30_custom_IntegratedCoatingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">60,000</ix:nonFraction></td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_987_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" title="Sales revenue" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2022-03-012022-11-30_custom_IntegratedCoatingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">787,000</ix:nonFraction></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_981_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" title="Sales revenue" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-03-012021-11-30_custom_IntegratedCoatingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">780,000</ix:nonFraction></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_988_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" title="Sales revenue" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2022-09-012022-11-30_custom_MultiAxisCoatingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,493,000</ix:nonFraction></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_983_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="sotk:SalesRevenuePercent" contextRef="From2022-09-012022-11-30_custom_MultiAxisCoatingSystemsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">42</ix:nonFraction>%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98E_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" title="Sales revenue" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-09-012021-11-30_custom_MultiAxisCoatingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">2,721,000</ix:nonFraction></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_981_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="sotk:SalesRevenuePercent" contextRef="From2021-09-012021-11-30_custom_MultiAxisCoatingSystemsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">62</ix:nonFraction>%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_985_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" title="Sales revenue" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2022-03-012022-11-30_custom_MultiAxisCoatingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">4,962,000</ix:nonFraction></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_985_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="sotk:SalesRevenuePercent" contextRef="From2022-03-012022-11-30_custom_MultiAxisCoatingSystemsMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">44</ix:nonFraction>%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_987_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" title="Sales revenue" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-03-012021-11-30_custom_MultiAxisCoatingSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">6,692,000</ix:nonFraction></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">OEM Systems</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_987_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" title="Sales revenue" style="font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-09-012021-11-30_custom_OemSystemsMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">637,000</ix:nonFraction></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="padding-bottom: 1pt; font-family: Cambria,serif"><span style="font-size: 9pt">Other</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" title="Sales revenue" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-03-012021-11-30_custom_OtherProductLineMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">2,275,000</ix:nonFraction></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98D_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right"><ix:nonFraction name="sotk:SalesRevenuePercent" contextRef="From2021-03-012021-11-30_custom_OtherProductLineMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">19</ix:nonFraction>%</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">TOTAL</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_98D_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" title="Sales revenue" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-09-012021-11-30_custom_ProductLineMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">4,419,000</ix:nonFraction></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_989_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" title="Sales revenue" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2022-03-012022-11-30_custom_ProductLineMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">11,401,000</ix:nonFraction></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" title="Sales revenue" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-03-012021-11-30_custom_ProductLineMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">12,134,000</ix:nonFraction></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td></tr>
  </table>
</ix:nonNumeric><p id="xdx_8AB_zYZOsIr5LAEc" style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:InventoryDisclosureTextBlock"><p id="xdx_80D_eus-gaap--InventoryDisclosureTextBlock_zwiE7ncL3BR8" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 4: <span id="xdx_82E_z75SW8qv5ebd">INVENTORIES</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:ScheduleOfInventoryCurrentTableTextBlock"><p id="xdx_893_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zGRMCps3UC4" style="font: 10pt Cambria,serif; margin: 0 0 0 0.5in; text-indent: -0.5in">Inventories consist of the following:</p>

<p style="font: 10pt Cambria,serif; margin: 0"><span id="xdx_8B6_z28FeSvs3U6l" style="display: none">Schedule of Inventory, Current</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Cambria, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-size: 8pt; font-weight: bold">&#160;</td>
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    <td colspan="2" id="xdx_49B_20220228_zADFcwhpmZEf" style="font-size: 8pt; font-weight: bold; text-align: center">February&#160;28,</td><td style="font-size: 8pt; font-weight: bold">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center">2022</td><td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold">&#160;</td><td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center">2022</td><td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold">&#160;</td></tr>
  <tr id="xdx_408_eus-gaap--InventoryRawMaterials_iI_maCzP7E_z9UxdcpYIji6" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="width: 72%; text-align: left">Raw materials and subassemblies</td><td style="width: 2%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><p style="margin: 0"><ix:nonFraction name="us-gaap:InventoryRawMaterials" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,875,277</ix:nonFraction></p></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 2%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><ix:nonFraction name="us-gaap:InventoryRawMaterials" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,250,589</ix:nonFraction></td><td style="width: 1%; text-align: left">&#160;</td></tr>
  <tr id="xdx_405_eus-gaap--InventoryFinishedGoods_iI_maCzP7E_zYSCbypFPIv7" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Finished goods</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right"><ix:nonFraction name="us-gaap:InventoryFinishedGoods" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">648,725</ix:nonFraction></td><td style="text-align: left">&#160;</td><td>&#160;</td>
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  <tr id="xdx_407_eus-gaap--InventoryWorkInProcess_iI_maCzP7E_zMmfiEcoXyNd" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="text-align: left; padding-bottom: 1pt">Work in process</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:InventoryWorkInProcess" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">736,409</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:InventoryWorkInProcess" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">343,120</ix:nonFraction></td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
  <tr id="xdx_409_eus-gaap--InventoryNet_iTI_mtCzEhs_zmS7hBKF6Tlg" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt">Net inventories</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:InventoryNet" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">3,260,411</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right"><ix:nonFraction name="us-gaap:InventoryNet" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,373,242</ix:nonFraction></td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
  </table>

</ix:nonNumeric><p id="xdx_8AE_z7wMye4P1JMa" style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company maintains an allowance for slow moving inventory for raw materials and finished goods. The recorded allowances
at November 30, 2022 and February 28, 2022, totaled $<span id="xdx_903_eus-gaap--InventoryValuationReserves_iI_c20221130_zrcLfIovlHHe" title="Allowance for slow moving inventory"><ix:nonFraction name="us-gaap:InventoryValuationReserves" contextRef="AsOf2022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">312,807</ix:nonFraction></span> and $<span id="xdx_901_eus-gaap--InventoryValuationReserves_iI_c20220228_zya2IFvINTAg" title="Allowance for slow moving inventory"><ix:nonFraction name="us-gaap:InventoryValuationReserves" contextRef="AsOf2022-02-28" format="ixt:numdotdecimal" decimals="0" unitRef="USD">327,661</ix:nonFraction></span>, respectively.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:StockholdersEquityNoteDisclosureTextBlock"><p id="xdx_806_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zP3l3sycIMzd" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 5: <span id="xdx_821_zALX1YC7Abok">STOCK OPTIONS</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">Under the 2013 Stock Incentive Plan (&#34;2013 Plan&#34;), options can be granted
to officers, directors, consultants and employees of the Company and its subsidiaries to purchase up to <span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20221130__us-gaap--PlanNameAxis__custom--StockIncentivePlan2013Member_zg2eT9eVJ5J8" title="Stock options shares available for grants"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant" contextRef="AsOf2022-11-30_custom_StockIncentivePlan2013Member" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">2,500,000</ix:nonFraction></span> shares of the Company's
common stock. Under the 2013 Plan options expire ten years after the date of grant. As of November 30, 2022, there were <span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iI_c20221130__us-gaap--PlanNameAxis__custom--StockIncentivePlan2013Member_zoyMYCKp8Gbj" title="Stock options, outstanding"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber" contextRef="AsOf2022-11-30_custom_StockIncentivePlan2013Member" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">245,745</ix:nonFraction></span> options
outstanding under the 2013 Plan, of which <span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_c20220301__20221130__us-gaap--PlanNameAxis__custom--StockIncentivePlan2013Member_zckev6nYrGXe" title="Stock options, vested"><ix:nonFraction name="us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" contextRef="From2022-03-012022-11-30_custom_StockIncentivePlan2013Member" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">83,816</ix:nonFraction></span> are vested.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">During the three months ended November 30, 2022, <span id="xdx_909_ecustom--OptionsExercisedNetCashlessBasis_c20220901__20221130__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zIAcdQqZYy7a" title="Options exercised, net cashless basis"><ix:nonFraction name="sotk:OptionsExercisedNetCashlessBasis" contextRef="From2022-09-012022-11-30_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">9,723</ix:nonFraction></span> options were exercised
on a net cashless basis, which resulted in <span id="xdx_901_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20220901__20221130_zDnu1IW8HdN" title="Options exercised"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" contextRef="From2022-09-012022-11-30" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">7,345</ix:nonFraction></span> shares of common stock being issued.</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">During the nine months ended November 30, 2022, <span id="xdx_90B_ecustom--OptionsExercisedNetCashlessBasis_c20220301__20221130__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zil5kEfREOW1" title="Options exercised, net cashless basis"><ix:nonFraction name="sotk:OptionsExercisedNetCashlessBasis" contextRef="From2022-03-012022-11-30_us-gaap_CommonStockMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">16,973</ix:nonFraction></span> options were exercised
on a net cashless basis, which resulted in <span id="xdx_90A_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20220301__20221130_zeIM7odwdrPg" title="Options exercised"><ix:nonFraction name="us-gaap:StockIssuedDuringPeriodSharesStockOptionsExercised" contextRef="From2022-03-01to2022-11-30" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">12,898</ix:nonFraction></span> shares of common stock being issued.</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"><b>&#160;</b></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock"><p id="xdx_800_eus-gaap--ShareholdersEquityAndShareBasedPaymentsTextBlock_zvMpImTn7rpg" style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"><b>NOTE 6: <span id="xdx_82C_za8ucnEIW1Vj">STOCK-BASED COMPENSATION</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company accounts for stock-based compensation under ASC 718, &#8220;Share Based Payments.&#8221;
which requires companies to expense the value of employee stock options and similar awards.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">During the nine months ended November 30, 2022, the Company granted options to acquire
<span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zoATFOCxv8xd" title="Options granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2022-03-012022-11-30_us-gaap_EmployeeStockOptionMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">23,225</ix:nonFraction></span> shares to employees exercisable at prices ranging from $<span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MinimumMember_zzYyy9lbqWn2" title="Options, exercisable price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2022-03-012022-11-30_us-gaap_EmployeeStockOptionMember_srt_MinimumMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">5.50</ix:nonFraction></span> to $<span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MaximumMember_zbxGYyxSLdDg" title="Options, exercisable price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2022-03-012022-11-30_us-gaap_EmployeeStockOptionMember_srt_MaximumMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">5.96</ix:nonFraction></span> and options to acquire <span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--ShareBasedPaymentArrangementNonemployeeMember_pdd" title="Options granted"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" contextRef="From2022-03-012022-11-30_us-gaap_ShareBasedPaymentArrangementNonemployeeMember" format="ixt:numdotdecimal" decimals="INF" unitRef="Shares">16,500</ix:nonFraction></span> shares to non-employee members
of the board of directors with an exercise price of $<span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--ShareBasedPaymentArrangementNonemployeeMember_pdd" title="Options, exercisable price"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice" contextRef="From2022-03-012022-11-30_us-gaap_ShareBasedPaymentArrangementNonemployeeMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">5.50</ix:nonFraction></span>. The options granted to employees and directors vest over <span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_dtxL_c20220301__20221130__us-gaap--AwardTypeAxis__custom--EmployeesAndDirectorsMember_zChtvjkGyzAk" title="Options, vesting period::XDX::P3Y"><span style="-sec-ix-hidden: xdx2ixbrl0660">three</span></span> years and expire
in <span id="xdx_90A_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_dtxL_c20220301__20221130__us-gaap--AwardTypeAxis__custom--EmployeesAndDirectorsMember_zPhdLLYhqjeg" title="Options, expiration period::XDX::P10Y"><span style="-sec-ix-hidden: xdx2ixbrl0662">ten</span></span> years. The options granted during the first nine months of fiscal 2023 had a combined weighted average grant date fair value of
$<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_c20220301__20221130__us-gaap--AwardTypeAxis__custom--EmployeesAndDirectorsMember_zCm2yklKmEt1" title="Weighted average grant date fair value, per share"><ix:nonFraction name="us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" contextRef="From2022-03-012022-11-30_custom_EmployeesAndDirectorsMember" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">3.34</ix:nonFraction></span> per share.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>


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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock"><p id="xdx_89D_eus-gaap--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_z2K8RbRP4161" style="font: 10pt Cambria,serif; margin: 0">The weighted-average fair value of options are estimated on the date of grant using the
Black-Scholes options-pricing model. The weighted-average Black-Scholes assumptions are as follows:</p>

<p style="font: 10pt Cambria,serif; margin: 0"><span id="xdx_8BA_zpUFhD96DeH6" style="display: none">Schedule of weighted-average Black-Scholes assumptions&#160;</span></p>

<table cellpadding="0" cellspacing="0" style="font: 10pt Cambria, Times, Serif; border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center">Nine Months Ended <br /> November 30, 2022</td><td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="text-align: left">Expected Life</td><td>&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Risk free interest rate</td><td>&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="text-align: left">Expected volatility</td><td>&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
    <td style="width: 82%; text-align: left">Expected dividend yield</td><td style="width: 2%">&#160;</td>
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</ix:nonNumeric><p id="xdx_8A6_zXAQ9thomq4d" style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">Total compensation related to non-vested options not yet recognized as of November
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<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">For the three and nine months ended November 30, 2022 and 2021, net income and
earnings per share reflect the actual deduction for stock-based compensation expense. For the three months ended November 30, 2022 and
2021, the Company recognized approximately $<span id="xdx_90D_eus-gaap--ShareBasedCompensation_c20220901__20221130_zMoSkKYAYiNf" title="Stock-based compensation expense"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2022-09-012022-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">61,000</ix:nonFraction></span> and $<span id="xdx_90F_eus-gaap--ShareBasedCompensation_c20210901__20211130_zOMzq2L2rKU2" title="Stock-based compensation expense"><ix:nonFraction name="us-gaap:ShareBasedCompensation" contextRef="From2021-09-012021-11-30" format="ixt:numdotdecimal" decimals="0" unitRef="USD">52,000</ix:nonFraction></span> of stock based compensation, respectively. For the nine months ended November
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is included in general and administrative expenses on the unaudited consolidated statements of income.</p>

<p style="font: 11pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:EarningsPerShareTextBlock"><p id="xdx_80A_eus-gaap--EarningsPerShareTextBlock_zp34PB6q7BWg" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 7: <span id="xdx_82A_ze9ljG7OEXo2">EARNINGS PER SHARE</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock"><p id="xdx_892_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_zQkODlBCGda5" style="font: 10pt Cambria,serif; margin: 0">The following table sets forth the computation of basic and diluted earnings per share:</p>

<p style="font: 10pt Cambria,serif; margin: 0"><span id="xdx_8B9_zn6oQRWZNgoj" style="display: none">Schedule of Computation of basic and diluted earnings per share</span>&#160;</p>

<table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">Nine&#160;Months&#160;Ended<br /> November 30,</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
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  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">2022</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">2021</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">2022</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
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  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td colspan="2" style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td colspan="2" style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td colspan="2" style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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  <tr id="xdx_401_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_zt01BMM9lm2i" style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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  <tr id="xdx_407_eus-gaap--DilutiveSecuritiesAbstract_iB_zD7y6mclE3c1" style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font-size: 10pt">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_403_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_i01_zz26L9i7FMb2" style="vertical-align: bottom; background-color: White">
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr id="xdx_40F_eus-gaap--EarningsPerShareBasic_i01_zGg1NfWBfvr7" style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">Basic earnings per share</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
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    <td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">Diluted earnings per share</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
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    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:EarningsPerShareDiluted" contextRef="From2021-09-012021-11-30" format="ixt:numdotdecimal" decimals="INF" unitRef="USDPShares">0.02</ix:nonFraction></td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
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</ix:nonNumeric><p id="xdx_8A1_zVKTWEC3p7be" style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:ShortTermDebtTextBlock"><p id="xdx_80E_eus-gaap--ShortTermDebtTextBlock_z8b0psQaEVRh" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 8: <span id="xdx_827_z8hcSbUJbo1">REVOLVING LINE OF CREDIT</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company has a $<span id="xdx_903_eus-gaap--LineOfCreditFacilityMaximumBorrowingCapacity_iI_c20221130__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zz1X4zV8XRGe" title="Revolving line of credit"><span id="xdx_903_eus-gaap--LineOfCreditFacilityMaximumBorrowingCapacity_iI_c20220228__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_ziSaDARPWKZa" title="Revolving line of credit"><ix:nonFraction name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" contextRef="AsOf2022-11-30_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD"><ix:nonFraction name="us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity" contextRef="AsOf2022-02-28_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,500,000</ix:nonFraction></ix:nonFraction></span></span> revolving line of credit at prime which was <span id="xdx_905_eus-gaap--LineOfCreditFacilityInterestRateAtPeriodEnd_iI_dp_c20221130__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zOjd72p5myba" title="Interest rate"><ix:nonFraction name="us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd" contextRef="AsOf2022-11-30_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">7.00</ix:nonFraction></span>% at November
30, 2022 and <span id="xdx_905_eus-gaap--LineOfCreditFacilityInterestRateAtPeriodEnd_iI_dp_c20220228__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_z00c0v0krVZe" title="Interest rate"><ix:nonFraction name="us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd" contextRef="AsOf2022-02-28_us-gaap_RevolvingCreditFacilityMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">3.25</ix:nonFraction></span>% at February 28, 2022. <span id="xdx_909_eus-gaap--LineOfCreditFacilityDescription_c20220301__20221130__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zBDkO3quRe33" title="Revolving credit line description"><span id="xdx_907_eus-gaap--LineOfCreditFacilityDescription_c20210301__20220228__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zQTB2HGITYkf" title="Revolving credit line description"><ix:nonNumeric contextRef="From2022-03-012022-11-30_us-gaap_RevolvingCreditFacilityMember" name="us-gaap:LineOfCreditFacilityDescription"><ix:nonNumeric contextRef="From2021-03-012022-02-28_us-gaap_RevolvingCreditFacilityMember" name="us-gaap:LineOfCreditFacilityDescription">The revolving credit line is collateralized by the Company&#8217;s accounts receivable and inventory.
The revolving credit line is payable on demand and must be retired for a 30-day period, once annually. If the Company fails to perform
the 30-day annual pay down or if the bank elects to terminate the credit line, the bank may, at its option, convert the outstanding balance
to a 36-month term note with payments including interest in 36 equal installments.</ix:nonNumeric></ix:nonNumeric></span></span></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">As of November 30, 2022, $<span id="xdx_900_ecustom--CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers_iI_c20221130__us-gaap--CreditFacilityAxis__us-gaap--LetterOfCreditMember_zXZF9B0oWqZa" title="Credit line utilized to collateralize letter of credit issued to customers"><ix:nonFraction name="sotk:CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers" contextRef="AsOf2022-11-30_us-gaap_LetterOfCreditMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">5,000</ix:nonFraction></span> of the Company&#8217;s credit line was being utilized to
collateralize letters of credit issued to customers that have remitted cash deposits to the Company on existing orders. The letters of
credit expire in 2023. As of November 30, 2022, there were <span id="xdx_900_eus-gaap--ShortTermBorrowings_iI_do_c20221130__us-gaap--CreditFacilityAxis__us-gaap--LetterOfCreditMember_zOYrsbl6oC3j" title="Outstanding borrowings under the line of credit"><ix:nonFraction name="us-gaap:ShortTermBorrowings" contextRef="AsOf2022-11-30_us-gaap_LetterOfCreditMember" format="ixt-sec:numwordsen" decimals="0" unitRef="USD">no</ix:nonFraction></span> outstanding borrowings under the line of credit and the unused portion of
the credit line was $<span id="xdx_90C_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_c20221130__us-gaap--CreditFacilityAxis__us-gaap--LetterOfCreditMember_z3QSX9m1EuWc" title="Unused portion of credit line"><ix:nonFraction name="us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity" contextRef="AsOf2022-11-30_us-gaap_LetterOfCreditMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">1,495,000</ix:nonFraction></span>.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>


<ix:exclude><!-- Field: Page; Sequence: 11; Value: 1 -->
    <div style="border-bottom: rgb(98,145,178) 2pt solid; margin-top: 12pt; margin-bottom: 6pt; padding-bottom: 2pt"><p style="text-align: center; margin-top: 0pt; margin-bottom: 0pt"><!-- Field: Sequence; Type: Arabic; Name: PageNo -->9<!-- Field: /Sequence -->&#160;</p></div>
    <div style="break-before: page; margin-top: 6pt; margin-bottom: 12pt">&#160;</div>
    <!-- Field: /Page --></ix:exclude>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

</ix:nonNumeric><ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:ConcentrationRiskDisclosureTextBlock"><p id="xdx_806_eus-gaap--ConcentrationRiskDisclosureTextBlock_z8QzgHouXIxc" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 9: <span id="xdx_824_zGm6WIlbn7Hh">CUSTOMER CONCENTRATIONS AND FOREIGN SALES</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<ix:nonNumeric contextRef="From2022-03-01to2022-11-30" escape="true" name="us-gaap:SchedulesOfConcentrationOfRiskByRiskFactorTextBlock"><p id="xdx_893_eus-gaap--SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_zf7VJ2QYc7Zb" style="font: 10pt Cambria,serif; margin: 0">Export sales to customers located outside the United States and Canada were approximately
as follows:</p>

<p style="font: 10pt Cambria,serif; margin: 0"><span id="xdx_8B7_zShv9UrvRTVa" style="display: none">Schedule of Customer Concentrations and Foreign Sales</span></p>

<table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%">
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  <tr style="vertical-align: bottom">
    <td style="font-size: 10pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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  <tr style="vertical-align: bottom; background-color: White">
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" title="Total sales" style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax" contextRef="From2021-03-012021-11-30_us-gaap_EMEAMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">2,557,000</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" title="Total sales" style="font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax" contextRef="From2020-03-012020-11-30_us-gaap_EMEAMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">2,723,000</ix:nonFraction></td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt">Latin America</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" title="Total sales" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax" contextRef="From2021-03-012021-11-30_srt_LatinAmericaMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">1,301,000</ix:nonFraction></td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" title="Total sales" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax" contextRef="From2020-03-012020-11-30_srt_LatinAmericaMember" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">888,000</ix:nonFraction></td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130_pp0p0" title="Total sales" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax" contextRef="From2021-03-012021-11-30" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">6,225,000</ix:nonFraction></td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130_pp0p0" title="Total sales" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"><ix:nonFraction name="us-gaap:RevenueFromContractWithCustomerIncludingAssessedTax" contextRef="From2020-03-012020-11-30" format="ixt:numdotdecimal" decimals="0" scale="0" unitRef="USD">8,365,000</ix:nonFraction></td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
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  </table>

</ix:nonNumeric><p id="xdx_8AF_zKguvaqyrRoi" style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">In the first nine months of fiscal 2023 and fiscal 2022, sales to foreign customers accounted
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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">During the third quarter of fiscal 2023 and fiscal 2022, sales to foreign customers accounted
for approximately $<span id="xdx_904_eus-gaap--Revenues_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_ztfYAzlLnEy7" title="Sales revenue"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2022-09-012022-11-30_custom_ForeignCustomersMember_us-gaap_SalesRevenueNetMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">2,001,000</ix:nonFraction></span> and $<span id="xdx_904_eus-gaap--Revenues_c20210901__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zR8L5Fxdb2Oc" title="Sales revenue"><ix:nonFraction name="us-gaap:Revenues" contextRef="From2021-09-012021-11-30_custom_ForeignCustomersMember_us-gaap_SalesRevenueNetMember" format="ixt:numdotdecimal" decimals="0" unitRef="USD">3,431,000</ix:nonFraction></span>, or <span id="xdx_90D_ecustom--SalesRevenuePercent_dp_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zJZp7LzOXjtb" title="Sales revenue, percent"><ix:nonFraction name="sotk:SalesRevenuePercent" contextRef="From2022-09-012022-11-30_custom_ForeignCustomersMember_us-gaap_SalesRevenueNetMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">56</ix:nonFraction></span>% and <span id="xdx_901_ecustom--SalesRevenuePercent_dp_c20210901__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zYsaVfjz27kf" title="Sales revenue, percent"><ix:nonFraction name="sotk:SalesRevenuePercent" contextRef="From2021-09-012021-11-30_custom_ForeignCustomersMember_us-gaap_SalesRevenueNetMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">78</ix:nonFraction></span>%, respectively, of total revenues.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company had two customers which accounted for <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--TwoCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zuzytZh3J96j" title="Concentration percentage"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2022-03-012022-11-30_us-gaap_CustomerConcentrationRiskMember_custom_TwoCustomersMember_us-gaap_SalesRevenueNetMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">14</ix:nonFraction></span>% of sales during the first nine months
of fiscal 2023. The Company had two customers which accounted for <span id="xdx_903_eus-gaap--ConcentrationRiskPercentage1_dp_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--TwoCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zbZtVPv3kSVf" title="Concentration percentage"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2022-09-012022-11-30_us-gaap_CustomerConcentrationRiskMember_custom_TwoCustomersMember_us-gaap_SalesRevenueNetMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">21</ix:nonFraction></span>% of sales during the third quarter of fiscal 2023. Five customers
accounted for <span id="xdx_909_eus-gaap--ConcentrationRiskPercentage1_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--FiveCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember_z0CIBSNKJw4i" title="Concentration percentage"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2022-03-012022-11-30_us-gaap_CustomerConcentrationRiskMember_custom_FiveCustomersMember_us-gaap_AccountsReceivableMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">41</ix:nonFraction></span>% of the outstanding accounts receivables at November 30, 2022.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company had three customers which accounted for <span id="xdx_90A_eus-gaap--ConcentrationRiskPercentage1_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ThreerCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zMbAzhstDMel" title="Concentration percentage"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2022-03-012022-11-30_us-gaap_CustomerConcentrationRiskMember_custom_ThreerCustomersMember_us-gaap_SalesRevenueNetMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">27</ix:nonFraction></span>% of sales during the first nine
months of fiscal 2022. The Company had six customers which accounted for <span id="xdx_90C_eus-gaap--ConcentrationRiskPercentage1_dp_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--SixCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zykaVColoHa7" title="Concentration percentage"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2022-09-012022-11-30_us-gaap_CustomerConcentrationRiskMember_custom_SixCustomersMember_us-gaap_SalesRevenueNetMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">48</ix:nonFraction></span>% of sales during the third quarter of fiscal 2022. Three customers
accounted for <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_dp_c20210301__20220228__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ThreeCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember_zr06yS75Unv7" title="Concentration percentage"><ix:nonFraction name="us-gaap:ConcentrationRiskPercentage1" contextRef="From2021-03-012022-02-28_us-gaap_CustomerConcentrationRiskMember_custom_ThreeCustomersMember_us-gaap_AccountsReceivableMember" format="ixt:numdotdecimal" decimals="INF" scale="-2" unitRef="Pure">41</ix:nonFraction></span>% of the outstanding accounts receivables at February 28, 2022.</p>

</ix:nonNumeric><p id="xdx_81B_zq3u4hndK5ei" style="font: 10pt Cambria,serif; margin: 0">&#160;</p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>ITEM 2 &#8211; Management&#8217;s Discussion and Analysis of Financial Condition and
Results of Operations</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><span style="text-decoration: underline">FORWARD-LOOKING STATEMENTS</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">We discuss expectations regarding our future performance, such as our business
outlook, in our annual and quarterly reports, news releases, and other written and oral statements. These &#8220;forward-looking
statements&#8221; are based on currently available competitive, financial and economic data and our operating plans. They are
inherently uncertain, and investors must recognize that events could turn out to be significantly different from our expectations
and could cause actual results to differ materially. These factors include, among other considerations, general economic and
business conditions; political, regulatory, tax, competitive and technological developments affecting our operations or the demand
for our products; inflationary and supply chain pressures; the duration and scope of the COVID-19 pandemic; the extent and duration
of the pandemic&#8217;s adverse effect on economic and social activity, consumer confidence, discretionary spending and preferences,
labor and healthcare costs, and unemployment rates, any of which may reduce demand for some of our products and impair the ability
of those with whom we do business to satisfy their obligations to us; our ability to sell and provide our services and products,
including as a result of continued pandemic related travel restrictions, mandatory business closures, and stay-at home or similar
orders; any temporary reduction in our workforce, closures of our offices and facilities and our ability to adequately staff and
maintain our operations resulting from the pandemic; the ability of our customers and suppliers to continue their operations as
result of the pandemic, which could result in terminations of contracts, losses of revenue; the recovery of the
Electronics/Microelectronics and Medical markets following COVID-19 related slowdowns; and further adverse effects to our supply
chain; maintenance of increased order backlog, including effects of any COVID-19 related cancellations; the imposition of tariffs;
timely development and market acceptance of new products and continued customer validation of our coating technologies; adequacy of
financing; capacity additions, the ability to enforce patents; maintenance of operating leverage; maintenance of increased order
backlog; consummation of order proposals; completion of large orders on schedule and on budget; continued sales growth in the
medical and alternative energy markets; successful transition from primarily selling ultrasonic nozzles and components to a more
complex business providing complete machine solutions and higher value subsystems; and realization of quarterly and annual revenues
within the forecasted range of sales guidance.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">We undertake no obligation to update any forward-looking statement.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><span style="text-decoration: underline">Overview</span></b></p>

<p style="font: 11pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Founded in 1975, Sono-Tek Corporation designs and manufactures ultrasonic coating systems
that apply precise, thin film coatings to a multitude of products for the microelectronics/electronics, alternative energy, medical and
industrial markets, including specialized glass applications in construction and automotive. We also sell our products to emerging research
and development and other markets. We have invested significant resources to enhance our market diversity by leveraging our core ultrasonic
coating technology. As a result, we have increased our portfolio of products, the industries we serve and the countries in which we sell
our products.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Our ultrasonic nozzle systems use high frequency, ultrasonic vibrations that atomize liquids
into minute drops that can be applied to surfaces at low velocity providing thin layers of functional or protective materials over surfaces
such as glass or metals. Our solutions are environmentally-friendly, efficient and highly reliable. They enable dramatic reductions in
overspray, savings in raw materials, water and energy usage and provide improved process repeatability, transfer efficiency, high uniformity
and reduced emissions.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">We believe product superiority is imperative and that it is attained through the extensive
experience we have in the coatings industry, our proprietary manufacturing know-how and skills and the unique work force we have built
over the years. Our growth strategy is to leverage our innovative technologies, proprietary know-how, unique talent and experience, and
global reach to further advance the use of ultrasonic coating technologies for the microscopic coating of surfaces in a broader array
of applications that enable better outcomes for our customers&#8217; products and processes.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">We are a global business with approximately 55% of our sales generated from outside the
United States and Canada in the first nine months of fiscal 2023. Our direct sales team and our distributor and sales representative network
are located in North America, Latin America, Europe and Asia. We continue to expand our sales capabilities by increasing the size of our
direct sales force and adding new distributors and sales representatives. In addition, we have established testing labs at our distribution
partner sites in China, Taiwan, Germany, Turkey, Korea and Japan, while also expanding our first testing lab that is co-located with our
manufacturing facilities in New York. These labs provide significant value for demonstrating to prospective customers the capabilities of
our equipment and enabling us to develop custom solutions to meet their needs. Providing customers that visit our labs with a high level
of application engineering expertise to develop their unique coating processes is an area of focus in our sales efforts, as we continually
expand Sono-Tek&#8217;s services to best support the needs of our customers.</p>


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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Over the last decade, we have shifted our business from primarily selling our ultrasonic
nozzles and components to a more complex business providing complete machine solutions and higher value subsystems to original equipment
manufacturers (&#8220;OEMs&#8221;). This strategy has resulted in significant growth of our average unit selling price; with our larger
machines often selling for over $300,000 and system prices sometimes reaching over $1,000,000. As a result of this transition, we have
broadened our addressable market and we believe that we can grow sales on a larger scale. We expect that we will experience wide variations
in both order flow and shipments from quarter to quarter in part due to the increase of larger orders in our sales mix.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><span style="text-decoration: underline">Third Quarter Fiscal 2023 Highlights</span></b> (compared with the third quarter of
fiscal 2022 unless otherwise noted) We refer to the three-month periods ended November 30, 2022 and 2021 as the third quarter of fiscal
2023 and fiscal 2022, respectively.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font-size: 10pt">
  <tr style="vertical-align: top">
    <td style="width: 24px">&#160;</td>
    <td style="width: 24px; font-family: Times New Roman,serif"><span style="font-family: Symbol; font-size: 9pt">&#183;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">Net sales were $3,586,000, a decrease of $833,000 or 19%, a result of supply chain challenges which include the delayed shipments of five machines with a total value of $487,000.&#160;&#160;Net sales declined by 5% sequentially from $3,763,000 reported in the second quarter of fiscal 2023.</span></td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Times New Roman,serif">&#160;</td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">&#8226;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">Gross Profit was $1,824,000, a decrease of $335,000 or 16%, due to the sales decrease, partially offset by a favorable product mix and lower installation costs, which caused the gross margin to increase 200 basis points to 51%.</span></td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Times New Roman,serif">&#160;</td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">&#8226;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">Operating expenses increased 3% to $1,721,000, driven by a 25% increase in Research &amp; Development expenditures to $520,000.</span></td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Times New Roman,serif">&#160;</td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">&#8226;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">Operating Income and Income Before Taxes were $103,000 and $133,000, respectfully, as a result of lower Gross Profit and Increased Operating Expenses.</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">&#8226;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">Backlog increased 14% to $6,223,000 on November 30, 2022 compared to backlog of $5,325,000 on February 28, 2022 (the end of fiscal year 2022).</span></td></tr>
  </table>
<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><span style="text-decoration: underline">Nine Months Fiscal 2023 Highlights</span></b> (compared with the first nine months of
fiscal 2022 unless otherwise noted) We refer to the nine-month periods ended November 30, 2022 and 2021 as the first nine-months of fiscal
2023 and fiscal 2022, respectively.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; font-size: 10pt">
  <tr style="vertical-align: top">
    <td style="width: 24px">&#160;</td>
    <td style="width: 24px; font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">&#8226;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">Net Sales were $11,401,000, a decrease of $733,000 or 6%, due to a number of delayed shipments resulting from supply chain disruptions, and a significant dip in sales to Asia from the impact of the strong US dollar on&#160;&#160;Sono-Tek&#8217;s regional customers. </span></td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Times New Roman,serif">&#160;</td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">&#8226;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">Gross Profit was $5,827,000, a decrease of $230,000 or 4%, due to the decrease in revenue, partially offset by a favorable product mix which caused the gross margin to increase 120 basis points to 51%.</span></td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Times New Roman,serif">&#160;</td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">&#8226;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">Operating expenses increased 8% to $5,165,000, driven by a 24% increase in Research &amp; Development expenditures to $1,543,000.</span></td></tr>
  <tr style="vertical-align: top">
    <td style="font-family: Times New Roman,serif">&#160;</td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">&#8226;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">Operating Income and Income Before Taxes were $662,000 and $686,000, respectfully, as a result of lower Gross Profit and Increased Operating Expenses.</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">&#8226;</span></td>
    <td style="font-family: Times New Roman,serif"><span style="font-family: Cambria,serif">As of November 30, 2022, Sono-Tek had $11,249,000 in cash, cash equivalents and marketable securities and no outstanding debt.</span></td></tr>
  </table>
<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><span style="text-decoration: underline">RESULTS OF OPERATIONS</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 0 6pt"><b><i><span style="text-decoration: underline">Sales:</span></i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0 0 6pt"><b>Product Sales</b></p>

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November 30,</b></span></td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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November 30,</b></span></td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%">&#160;</td>
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    <td style="width: 1%">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
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    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">787,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,493,000</span></td>
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    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td></tr>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">503,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">637,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(134,000</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,145,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">26%</span></td>
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    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Sales decreased by 19% and 6% during the third quarter and first nine months of fiscal
2023, respectively.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Sales of multi-axis coating systems decreased 45% and 26% during the third quarter and
first nine months of fiscal 2023, respectively. The significant revenue decline in multi-axis coating systems was greatly impacted by
supply chain shortages for electronic components used in this product line. We are anticipating supply chain challenges for this product
line to continue through the remainder of fiscal 2023.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Fluxing system sales increased 142% year over year in the third quarter of fiscal 2023
and 66% for the first nine months of fiscal 2023. This strong growth was positively impacted by our newly launched SelectaFlux X2 product
being implemented at several large printed circuit board contract manufacturers, and a transition by several of our customers that are
moving manufacturing operations from China to other countries where they are setting up new manufacturing lines requiring new spray fluxers.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 0 6pt"><b>Market Sales</b></p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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November 30,</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="6" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Nine Months Ended <br />
November 30,</b></span></td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom">
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(739,000</span></td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)</span></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">580,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">202,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt">&#160;</td>
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    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
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    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Sales to the industrial market recorded growth of 187% in the third quarter of fiscal 2023,
and 142% for the first nine months of fiscal 2023. Sales to the industrial market were positively impacted by three machines valued at
$216,000 each that shipped to an industrial manufacturing company, two in the third quarter of fiscal 2023 and one in the first quarter.
Three additional machines of the same value are presently in our backlog and are projected to ship to the same company in the fourth quarter
of fiscal 2023.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The medical market sales decline reflects the shipment of a large medical system to China
in the comparable period of the prior fiscal year.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Sales to the Alternative Energy market and R&amp;D market decreased by 29% and 53%, respectively,
for the first nine months of fiscal 2023. The decline was primarily due to, supply chain challenges that have resulted in delayed shipments,
caused by the delayed receipt of critical electronic components for our multi-axis coating systems which are commonly purchased by both
of these market sectors.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0 0 6pt"><b>Geographic Sales</b></p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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November 30,</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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November 30,</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2021</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>$</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>%</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,585,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">988,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">597,000</span></td>
    <td style="width: 1%">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">60%</span></td>
    <td style="width: 1%">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">3,769,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,407,000</span></td>
    <td style="width: 1%">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">37%</span></td>
    <td style="width: 1%">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">834,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,901,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(1,067,000</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(56%</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">2,367,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">4,754,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(2,387,000</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(50%</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">Europe, Middle East, Asia (EMEA)</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">731,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,287,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(556,000</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(43%</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">2,557,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">2,723,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(166,000</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(6%</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="padding-bottom: 1pt; font-family: Cambria,serif"><span style="font-size: 9pt">Latin America</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">436,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">243,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">193,000</span></td>
    <td style="padding-bottom: 1pt">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">79%</span></td>
    <td style="padding-bottom: 1pt">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,301,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">888,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">413,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">47%</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">3,586,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">4,419,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(833,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(19%</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">12,134,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(733,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(6%</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td></tr>
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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">In the third quarter of fiscal 2023, approximately 56% of sales originated outside of the
United States and Canada compared with 78% in the prior year period.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">In the first nine months of fiscal 2023, approximately 55% of sales originated
outside of the United States and Canada compared with 69% in the prior year period.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Strong growth in sales from the US and Latin America was recorded in both the third quarter
of fiscal 2023 and the first nine months of fiscal 2023. Sales to Latin America were positively influenced by increased sales of our spray
fluxing systems being sold to our Mexico-based customers, a result of several electronic manufacturers shifting operations away from China
and sending these manufacturing lines to Mexico. US sales were positively influenced by a continued trend of US companies to onshore a
greater percentage of manufacturing operations to combat supply chain challenges and reduce risk associated with political instabilities
in several countries.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The large decrease in APAC sales was the result of a strong US dollar that impacted the
pricing and ordering pattern for Sono-Tek customers in APAC, as well as the impact of COVID-19 lockdowns in China.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 0 6pt"><b><i><span style="text-decoration: underline">Gross Profit: </span></i></b></p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="6" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Three Months Ended <br />
November 30,</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="6" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Change</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="6" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Nine Months Ended <br />
November 30,</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="6" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Change</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2022</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2021</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>$</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>%</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2022</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2021</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>$</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>%</b></span></td>
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    <td style="width: 20%; font-family: Cambria,serif"><span style="font-size: 9pt">Net Sales</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">3,586,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">4,419,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(833,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(19%</span></td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: White">
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">5,827,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">6,057,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td>&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">50%</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">For the third quarter of fiscal 2023, gross profit decreased $335,000, or 16%, compared
with the third quarter of fiscal 2022. The gross profit margin was 51% compared with 49% for the prior year period. The increase in the
gross profit margin for the third quarter of fiscal 2023 is due to increased sales of products with higher sales margins.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Gross profit decreased $230,000, or 4%, to $5,827,000 for the first nine months of fiscal
2023 compared with $6,057,000 in the first nine months of fiscal 2022. The gross profit margin was 51% compared with 50% for the prior
year period. The improvement in the gross profit margin is due to a sales mix with higher margin sales combined with lower shipment related accruals and favorable installation costs.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0 0 8pt"><b><i><span style="text-decoration: underline">Operating Expenses:</span></i></b></p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="6" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Three Months Ended <br />
November 30,</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="6" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Change</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="6" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Nine Months Ended <br />
November 30,</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="6" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Change</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2021</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">417,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">103,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">25%</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
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    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,244,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">299,000</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 7%; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">24%</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td></tr>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">793,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">845,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">(6%</span></td>
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">)&#160;</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">2,359,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">2,350,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">9,000</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">0%</span></td>
    <td style="font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="padding-bottom: 1pt; font-family: Cambria,serif"><span style="font-size: 9pt">General and administrative</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">408,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">405,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">3,000</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1%</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">7%</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif"><span style="font-size: 9pt">Total Operating Expenses</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,721,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">1,667,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">54,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">3%</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">5,165,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">4,775,000</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right"><span style="font-size: 9pt">8%</span></td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td></tr>
  </table>
<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b><i><span style="text-decoration: underline">Research and Product Development:</span></i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">Research and product development costs increased in the third quarter and the first nine
months of fiscal 2023 due to increased salaries and research and development materials and supplies, which are used in the focused growth
initiatives we continue to implement. In addition, in the third quarter of fiscal 2022, some of our personnel, previously assigned to research and development
projects, were assigned to specific customer sales orders and the associated costs were recorded in inventory, as incurred.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i><span style="text-decoration: underline">Marketing and Selling</span></i><span style="text-decoration: underline">:</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">In the third quarter of fiscal 2023 we experienced decreases in commissions, salaries and
related costs. These decreases were partially offset by increased travel and trade show expenses.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Marketing and selling costs increased slightly in the first nine months of fiscal 2023.
During this period, commissions decreased due to the decrease in sales. This decrease was partially offset by an increase in travel and
trade show expenses. The increased travel and trade show expenses are a result of the global lifting of COVID-19 restrictions. We believe
that these expenses will level out over time and return to prior COVID-19 amounts.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i><span style="text-decoration: underline">General and Administrative:</span></i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">In the third quarter of fiscal 2023 we experienced a decrease in professional fees which
was partially offset by an increase in stock-based compensation expense.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">For the first nine months of fiscal 2023, we experienced decreases in professional fees
and corporate expenses. These decreases were partially offset by an increase in stock-based compensation expense. The increase in stock-based
compensation expense in the first nine months of fiscal 2023 is due to option awards that were issued in the prior fiscal year. Option
awards are expensed over three years based on vesting.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i><span style="text-decoration: underline">Operating Income</span></i><span style="text-decoration: underline">:</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">Operating income decreased $388,000 or 79%, to $103,000 in the third quarter of fiscal
2023 compared with $491,000 for the third quarter of fiscal 2022 due to the decrease in gross profit. Operating margin for the third quarter
of fiscal 2023 was 2.8% compared with 11.1% in the prior year period.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">For the first nine months of fiscal 2023, operating income decreased $620,000 or 48%, to
$662,000 compared with $1,282,000 for the first nine months of fiscal 2022, due to the decrease in gross profit. Operating margin for
the first nine months of fiscal 2023 was 5.8% compared with 10.6% in the first nine months of fiscal 2022.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i><span style="text-decoration: underline">Interest and Dividend Income:</span></i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">For the third quarter of fiscal 2023 we recorded interest and dividend income of $39,000
compared to $2,000 for the prior year period. In the first nine months of fiscal 2023 interest and dividend income increased $52,000 to
$65,000 compared with $13,000 for the first nine months of fiscal 2022. The increase in the first nine months of fiscal 2023 is due to
the increase in market rates. Our present investment policy is to invest excess cash in highly liquid, lower risk US Treasury securities.
At November 30, 2022, the majority of our holdings are rated at or above investment grade.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i><span style="text-decoration: underline">Income Tax Expense:</span></i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">We recorded income tax expense of $28,000 for the third quarter of fiscal 2023 compared
with $117,000 for the third quarter of fiscal 2022. For the first nine months of fiscal 2023 we recorded income tax expense of $113,000
compared with $314,000 for the first nine months of fiscal 2022.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The decrease in income tax expense in the third quarter and first nine months of fiscal
2023 is due to the decrease in income before income taxes combined with the application of available research and development tax credits
partially offset by an increase in permanent timing differences.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i><span style="text-decoration: underline">Paycheck Protection Program Loan Forgiveness:</span></i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">In fiscal year 2021, the Company obtained a loan under the Paycheck Protection
Program (&#8220;PPP&#8221;) in the amount of $1,001,640. In the first quarter of fiscal 2022, the Company received notice from the
SBA that the loan had been forgiven in full and recorded a gain on forgiveness of $1,005,372, which is recorded on the condensed
consolidated statements of income.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The gain on the forgiveness of the PPP Loan is a non-taxable event.</p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i><span style="text-decoration: underline">Net Income:</span></i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">Net income decreased by $271,000 or 72% to $105,000 for the third quarter of fiscal 2023
compared with $376,000 for the third quarter of fiscal 2022. The decrease in net income during the third quarter is a result of a decrease
in operating income combined with a decrease in income tax expense for the period.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Net income decreased by $1,414,000 or 71% to $573,000 for the first nine months of fiscal
2023 compared with $1,987,000 for the first nine months of fiscal 2022. The decrease in net income in the first nine months of fiscal
2023 is a result of a decrease in operating income and income tax expense combined with the PPP Loan forgiveness recorded in the prior
year.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><span style="text-decoration: underline">Impact of COVID-19</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">In December 2019, the COVID-19 outbreak occurred in China and has since spread to other
parts of the world. On March 11, 2020, the World Health Organization declared COVID-19 to be a global pandemic and recommended containment
and mitigation measures. On March 13, 2020, the United States declared a national emergency concerning the outbreak. Along with these
declarations, extraordinary and wide-ranging actions have been taken by international, federal, state, and local public health and governmental
authorities to contain and combat the outbreak and spread of COVID-19 in regions across the United States and the world. These actions
include quarantines, social distancing and &#8220;stay-at-home&#8221; orders, travel restrictions, mandatory business closures and other
mandates that have substantially restricted individuals&#8217; daily activities and curtailed or ceased many businesses&#8217; normal
operations.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">COVID-19 has also impacted various aspects of the supply chain as our suppliers experience
similar business disruptions due to operating restrictions from government mandates. We continue to monitor procurement of raw materials
and components used in the manufacturing, distribution and sale of our products, but continued disruptions in the supply chain due to
COVID-19 may cause difficulty in sourcing materials or unexpected shortages or delays in delivery of raw materials and components, and
may result in increased costs in our supply chain.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">We are closely monitoring and assessing the impact of the pandemic on our business. The
extent of the impact on our results of operations, cash flow, liquidity, and financial performance, as well as our ability to execute
near- and long-term business strategies and initiatives, will depend on numerous evolving factors and future developments, which are highly
uncertain and cannot be reasonably predicted.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Given the inherent uncertainty surrounding COVID-19, the pandemic may continue to have
an adverse impact on our business in the near term. Should these conditions persist for a prolonged period, the COVID-19 pandemic, including
any of the above factors and others that are currently unknown, may have a material adverse effect on our business, results of operations,
cash flow, liquidity, and financial condition.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><span style="text-decoration: underline">Liquidity and Capital Resources</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>Working Capital &#8211;</i></b> Our working capital increased $521,000 to $11,303,000
at November 30, 2022 from $10,782,000 at February 28, 2022. The increase in working capital was mostly the result of the current period&#8217;s
net income and noncash charges partially offset by purchases of equipment.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">We aggregate cash and cash equivalents and marketable securities in managing our balance
sheet and liquidity. For purposes of the following analysis, the total is referred to as &#8220;Cash.&#8221; At November 30, 2022 and
February 28, 2022, our working capital included:</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">November 30,<br /> 2022</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">February 28,<br /> 2022</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">Cash<br /> Increase (Decrease)</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; width: 58%; text-align: left">Cash and cash equivalents</td><td style="font: 10pt Cambria,serif; width: 2%">&#160;</td>
    <td style="font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td style="font: 10pt Cambria,serif; width: 10%; text-align: right">3,176,000</td><td style="font: 10pt Cambria,serif; width: 1%; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%">&#160;</td>
    <td style="font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td style="font: 10pt Cambria,serif; width: 10%; text-align: right">4,841,000</td><td style="font: 10pt Cambria,serif; width: 1%; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%">&#160;</td>
    <td style="font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td style="font: 10pt Cambria,serif; width: 10%; text-align: right">(1,665,000</td><td style="font: 10pt Cambria,serif; width: 1%; text-align: left">)</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt">Marketable securities</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right">8,073,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right">5,868,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right">2,205,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">Total</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right">11,249,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right">10,709,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right">540,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>


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<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The following table summarizes the accounts and the major reasons for the $540,000 increase
in &#8220;Cash&#8221;:</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Impact on Cash</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
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  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="width: 35%; font-family: Cambria,serif">Net income, adjusted for non-cash items</td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif">$</td>
    <td style="width: 9%; font-family: Cambria,serif; text-align: right">1,097,000</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 50%; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font-family: Cambria,serif">Accounts receivable increase</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">(349,000</td>
    <td style="font-family: Cambria,serif">)&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">Timing of cash receipts, based upon sales terms.</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font-family: Cambria,serif">Inventories increase</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">(872,000</td>
    <td style="font-family: Cambria,serif">)</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">Required to support backlog and additional inventory purchases.</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font-family: Cambria,serif">Equipment purchases</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">(414,000</td>
    <td style="font-family: Cambria,serif">)</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">Equipment and facilities upgrade.</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font-family: Cambria,serif">Customer deposits increase</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">581,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">Received for new orders.</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font-family: Cambria,serif">Accounts payable and accrued expenses increase</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">357,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">Timing of disbursements.</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font-family: Cambria,serif">Other</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif; text-align: right">(33,000</td>
    <td style="font-family: Cambria,serif">)&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">Timing of disbursements.</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">Prepaid and Other Assets decrease</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right">173,000</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">Decreased prepaid expenses.</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">Net increase in cash</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif">$</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right">540,000</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td></tr>
  </table>
<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>Stockholders&#8217; Equity &#8211;</i></b> Stockholders&#8217; Equity increased $746,000
from $13,741,000 at February 28, 2022 to $14,487,000 at November 30, 2022. The increase is a result of the current period&#8217;s net
income of $573,000 and $173,000 in additional equity related to stock-based compensation awards.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>Operating Activities &#8211;</i></b> We generated $995,000 of cash in our operating
activities in the first nine months of fiscal 2023 compared with $1,812,000 of cash in the first nine months of fiscal 2022, a decrease
of $817,000. The decrease was mostly the result of increases in accounts receivable and inventories offset by an increase in customer
deposits.</p>

<p style="font: 10pt Cambria,serif; margin: 0 9.9pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>Investing Activities &#8211;</i></b> We used $2,659,000 in the first nine months
of fiscal 2023 in our investing activities compared with cash generated of $929,000 in the first nine months of fiscal 2022. For the first
nine months of fiscal years 2023 and 2022, we used $414,000 and $285,000, respectively, for the purchase or manufacture of equipment,
furnishings and leasehold improvements. For the first nine months of 2023, we invested $2,246,000 in marketable securities compared with
$1,214,000 being provided by marketable securities in the first nine months of fiscal 2022.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>Net Changes in Cash and Cash Equivalents &#8211;</i></b> In the first nine months
of fiscal 2023, our cash balance decreased by $1,665,000 as compared to an increase of $2,750,000 in the first nine months of fiscal 2022.
In the first nine months of fiscal 2023, our operating activities generated $995,000 of cash. In addition, we invested $2,246,000 in marketable
securities and used $414,000 for the purchase or manufacture of equipment, furnishings and leasehold improvements.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>Backlog &#8211; </i></b>Our backlog increased $898,000 or 14% to $6,223,000 at November
30, 2022 from $5,325,000 at February 28, 2022 and increased 23% from the $5,049,000 backlog at August 31, 2022, the end of the second
quarter of fiscal 2023. The increase in backlog is due to the receipt of additional orders as well as the delay in shipments due to supply
chain issues. Orders can be highly variable from quarter to quarter resulting in large fluctuations in backlog, as product shipments are
systematically managed for both customer timing requirements and staffing management.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><span style="text-decoration: underline">Critical Accounting Policies</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The discussion and analysis of the Company&#8217;s financial condition and results of operations
are based upon the unaudited condensed consolidated financial statements, which have been prepared in accordance with accounting principles
generally accepted in the United States of America. The preparation of these financial statements requires the Company to make estimates
and judgments that affect the reported amount of assets and liabilities, revenues and expenses, and related disclosure on contingent assets
and liabilities at the date of the financial statements. Actual results may differ from these estimates under different assumptions and
conditions.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Critical accounting policies are defined as those that are reflective of significant judgments
and uncertainties and may potentially result in materially different results under different assumptions and conditions. The Company believes
that critical accounting policies are limited to those described below. For a detailed discussion on the application of these and other
accounting policies see Note 2 to the Company&#8217;s consolidated financial statements included in Form 10-K for the year ended February
28, 2022.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>Accounting for Income Taxes</i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company accounts for income taxes under the asset and liability method. Under this
method, deferred income taxes are recognized for the tax consequences of &#8220;temporary differences&#8221; by applying enacted statutory
tax rates applicable to future years to differences between the financial statement carrying amounts and the tax basis of existing assets
and liabilities. If it is more likely than not that some portion or all of a deferred tax asset will not be realized, a valuation allowance
is recognized. We use a recognition threshold and a measurement attribute for financial statement recognition and measurement tax positions
taken or expected to be taken in a return. For those benefits to be recognized, a tax position must be more likely than not to be sustained
upon examination by taxing authorities.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><i>&#160;</i></p>

<p style="font: 10pt Cambria,serif; margin: 0; color: #222222"><span style="background-color: white"><b><i>Inventories</i></b>&#160;-
Inventories are stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out (FIFO) method for
raw materials, subassemblies and work-in-progress and the specific identification method for finished goods. Management compares the cost
of inventory with the net realizable value and, if applicable, an allowance is made for writing down the inventory to its net realizable
value, if lower than cost. On an ongoing basis, inventory is reviewed for potential write-down for estimated obsolescence or unmarketable
inventory based upon forecasts for future demand and market conditions.</span></p>

<p style="font: 10pt Cambria,serif; margin: 0"><i>&#160;</i></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>Revenue Recognition</i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company recognizes revenue in accordance with ASC 606, Revenue from Contracts with
Customers, the core principle of which is that an entity should recognize revenue to depict the transfer of promised goods or services
to customers in an amount that reflects the consideration to which the entity expects to be entitled to receive in exchange for those
goods or services. To determine revenue recognition for arrangements that the Company determines are within the scope of ASC 606, the
Company performs the following five steps:</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<table cellspacing="0" cellpadding="0" style="font: 10pt Times New Roman,serif; width: 100%">
  <tr style="vertical-align: top">
    <td style="width: 24px">&#160;</td>
    <td style="font: 10pt Times New Roman,serif; width: 24px"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font: 10pt Times New Roman,serif"><span style="font-family: Cambria,serif">Identification of the contract, or contracts, with a customer</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font: 10pt Times New Roman,serif"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font: 10pt Times New Roman,serif"><span style="font-family: Cambria,serif">Identification of the performance obligations in the contract</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font: 10pt Times New Roman,serif"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font: 10pt Times New Roman,serif"><span style="font-family: Cambria,serif">Determination of the transaction price</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font: 10pt Times New Roman,serif"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font: 10pt Times New Roman,serif"><span style="font-family: Cambria,serif">Allocation of the transaction price to the performance obligations in the contract</span></td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font: 10pt Times New Roman,serif"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font: 10pt Times New Roman,serif"><span style="font-family: Cambria,serif">Recognition of revenue when, or as, performance obligations are satisfied</span></td></tr>
  </table>
<p style="font: 10pt Cambria,serif; margin: 0"><i>&#160;</i></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>Stock-Based Compensation</i></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">The computation of the expense associated with stock-based compensation requires the use
of a valuation model. ASC 718 is a complex accounting standard, the application of which requires significant judgment and the use of
estimates, particularly surrounding Black-Scholes assumptions such as stock price volatility, expected option lives, and expected option
forfeiture rates, to value equity-based compensation. The Company currently uses a Black-Scholes option pricing model to calculate the
fair value of its stock options. The Company primarily uses historical data to determine the assumptions to be used in the Black-Scholes
model and has no reason to believe that future data is likely to differ materially from historical data. However, changes in the assumptions
to reflect future stock price volatility and future stock award exercise experience could result in a change in the assumptions used to
value awards in the future and may result in a material change to the fair value calculation of stock-based awards. ASC 718 requires the
recognition of the fair value of stock compensation in net income. Although every effort is made to ensure the accuracy of our estimates
and assumptions, significant unanticipated changes in those estimates, interpretations and assumptions may result in recording stock option
expense that may materially impact our financial statements for each respective reporting period.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><span style="text-decoration: underline">Impact of New Accounting Pronouncements</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">Accounting pronouncements issued but not yet effective have been deemed to be not applicable
or the adoption of such accounting pronouncements is not expected to have a material impact on the financial statements of the Company.</p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>ITEM 3 - Quantitative and Qualitative Disclosures about Market Risk</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company does not issue or invest in financial instruments or derivatives for trading
or speculative purposes. Substantially all of the operations of the Company are conducted in the United States, and, as such, are not
subject to material foreign currency exchange rate risk. All of our sales transactions are completed in US dollars.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Although the Company's assets included $3,176,000 in cash and $8,073,000 in marketable
securities, the market rate risk associated with changing interest rates in the United States is not material.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>ITEM 4 &#8211; Controls and Procedures</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">The Company has established and maintains &#8220;disclosure controls and procedures&#8221;
(as those terms are defined in Rules 13a &#8211;15(e) and 15d-15(e) under the Securities and Exchange Act of 1934 (the &#8220;Exchange
Act&#8221;). Christopher L. Coccio, Chief Executive Officer (principal executive) and Stephen J. Bagley, Chief Financial Officer (principal
accounting officer) of the Company, have evaluated the Company&#8217;s disclosure controls and procedures as of November 30, 2021. Based
on this evaluation, they have concluded that the Company&#8217;s disclosure controls and procedures were effective to ensure that information
required to be disclosed by the Company in reports that it files or submits under the Exchange Act is (1) recorded, processed, summarized
and reported within the time periods specified in Securities and Exchange Commission rules and forms, and (2) accumulated and communicated
to Management, including our Chief Executive Officer and Chief Financial Officer, to allow timely decisions regarding timely disclosure.</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">In addition, there were no changes in the Company&#8217;s internal controls over
financial reporting during the third fiscal quarter of 2023 that have materially affected, or are reasonably likely to materially affect,
internal controls over financial reporting<span style="font-size: 11pt">.</span></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>


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<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center"><b>PART II - OTHER INFORMATION</b></p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: center">&#160;</p>

<table cellspacing="0" cellpadding="0" style="width: 100%; border-collapse: collapse; font-size: 10pt">
  <tr style="vertical-align: top">
    <td style="width: 8%; padding-right: 0.8pt; font-family: Cambria,serif"><b>Item 1.</b></td>
    <td style="width: 92%; padding-right: 0.8pt; font-family: Cambria,serif"><b>Legal Proceedings</b></td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">None</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Item 1A.</b></td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Risk Factors</b></td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">There are no material changes from risk factors previously disclosed in the Company&#8217;s Annual Report on Form 10-K for the year ended February 28, 2022.</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Item 2.</b></td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Unregistered Sales of Equity Securities and Use of Proceeds</b></td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">None</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Item 3.</b></td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Defaults Upon Senior Securities</b></td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">None</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Item 4.</b></td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Mine Safety Disclosures</b></td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">None</td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: top; background-color: white">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Item 5.</b></td>
    <td style="padding-right: 0.8pt; font-family: Cambria,serif"><b>Other Information</b></td></tr>
  <tr style="vertical-align: top">
    <td style="padding-right: 0.8pt; font-family: Cambria,serif">&#160;</td>
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<p style="font: 10pt Cambria,serif; margin: 0">In accordance with the requirements of the Exchange Act, the registrant has caused this
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<p style="font: 10pt Cambria,serif; margin: 0">Dated: January 17, 2023</p>

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<DOCUMENT>
<TYPE>EX-31.1
<SEQUENCE>3
<FILENAME>ex31-1.htm
<DESCRIPTION>RULE 13A-14/15D 14(A) CERTIFICATION
<TEXT>
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     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: right">Exhibit 31.1</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: right">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>RULE 13a-14/15d &#8211; 14(a) CERTIFICATION</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">I, Christopher L. Coccio, Chief Executive Officer, certify that:</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 4%; padding-right: 0.8pt; font-family: Cambria,serif">1.</TD>
    <TD STYLE="width: 95%; padding-right: 0.25in; font-family: Cambria,serif">I have reviewed this quarterly report on Form 10-Q of Sono-Tek Corporation;</TD></TR>
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<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.3in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">2.</TD>
    <TD STYLE="width: 96%; padding-right: 0.75in; font-family: Cambria,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;</TD></TR>
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<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.3in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">3.</TD>
    <TD STYLE="width: 96%; padding-right: 63pt; font-family: Cambria,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;</TD></TR>
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<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.3in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">4.</TD>
    <TD STYLE="width: 96%; padding-right: 67.5pt; font-family: Cambria,serif">Sono-Tek Corporation&#8217;s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d &#8211; 15(e) and internal control over financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f) for the issuer and have:</TD></TR>
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<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">a)</TD>
    <TD STYLE="width: 94%; padding-right: 67.5pt; font-family: Cambria,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;</TD></TR>
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<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.6in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">b)</TD>
    <TD STYLE="width: 94%; padding-right: 58.5pt; font-family: Cambria,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;</TD></TR>
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<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.6in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">c)</TD>
    <TD STYLE="width: 94%; padding-right: 0.5in; font-family: Cambria,serif">Evaluated the effectiveness of the registrant&#8217;s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and</TD></TR>
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<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.6in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">d)</TD>
    <TD STYLE="width: 94%; padding-right: 40.5pt; font-family: Cambria,serif">Disclosed in this report any change in the registrant&#8217;s internal control over financial reporting that occurred during the registrant&#8217;s most recent fiscal quarter (the registrant&#8217;s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant&#8217;s internal control over financial reporting; and</TD></TR>
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<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 1in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">5.</TD>
    <TD STYLE="width: 96%; padding-right: 0.5in; font-family: Cambria,serif">Sono-Tek Corporation&#8217;s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant&#8217;s auditors and the audit committee of the registrant&#8217;s board of directors (or persons performing equivalent functions):</TD></TR>
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<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.25in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">a)</TD>
    <TD STYLE="width: 94%; padding-right: 31.5pt; font-family: Cambria,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&#8217;s ability to record, process, summarize and report financial information; and</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.6in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">b)</TD>
    <TD STYLE="width: 94%; padding-right: 40.5pt; font-family: Cambria,serif">Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&#8217;s internal controls over financial reporting.</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 1in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 61%">
    <P STYLE="font: 10pt Cambria,serif; margin: 0 0.8pt 0 0">Date:&nbsp;&nbsp;January 17, 2023</P>
    <P STYLE="font: 10pt Cambria,serif; margin: 0 0.8pt 0 0">&nbsp;</P></TD>
    <TD STYLE="width: 39%; padding-right: 0.8pt; font-family: Cambria,serif"><U>/s/ Christopher L. Coccio</U></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.8pt; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 0.8pt; font-family: Cambria,serif">Christopher L. Coccio</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.8pt; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 0.8pt; font-family: Cambria,serif">Chief Executive Officer</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>


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</DOCUMENT>
<DOCUMENT>
<TYPE>EX-31.2
<SEQUENCE>4
<FILENAME>ex31-2.htm
<DESCRIPTION>RULE 13A-14/15D 14(A) CERTIFICATION
<TEXT>
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     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: right">Exhibit 31.2</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: right">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>RULE 13a-14/15d &#8211; 14(a) CERTIFICATION</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">I, Stephen J. Bagley, Chief Financial Officer, certify that:</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">1.</TD>
    <TD STYLE="width: 96%; padding-right: 0.8pt; font-family: Cambria,serif">I have reviewed this quarterly report on Form 10-Q of Sono-Tek Corporation;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.3in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">2.</TD>
    <TD STYLE="width: 96%; padding-right: 63pt; font-family: Cambria,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;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.3in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">3.</TD>
    <TD STYLE="width: 96%; padding-right: 58.5pt; font-family: Cambria,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;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.3in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">4.</TD>
    <TD STYLE="width: 96%; padding-right: 63pt; font-family: Cambria,serif">Sono-Tek Corporation&#8217;s other certifying officer and I are responsible for establishing and maintaining disclosure controls and procedures (as defined in Exchange Act Rules 13a-15(e) and 15d &#8211; 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:</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">a)</TD>
    <TD STYLE="width: 94%; padding-right: 0.75in; font-family: Cambria,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;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.6in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">b)</TD>
    <TD STYLE="width: 94%; padding-right: 0.75in; font-family: Cambria,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;</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.6in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">c)</TD>
    <TD STYLE="width: 94%; padding-right: 0.75in; font-family: Cambria,serif">Evaluated the effectiveness of the registrant&#8217;s disclosure controls and procedures and presented in this report our conclusions about the effectiveness of disclosure controls and procedures, as of the end of the period covered by this report based on such evaluation; and</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.6in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">d)</TD>
    <TD STYLE="width: 94%; padding-right: 0.75in; font-family: Cambria,serif">Disclosed in this report any change in the registrant&#8217;s internal control over financial reporting that occurred during the registrant&#8217;s most recent fiscal quarter (the registrant&#8217;s fourth fiscal quarter in the case of an annual report) that has materially affected, or is reasonably likely to materially affect, the registrant&#8217;s internal control over financial reporting; and</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 1in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 1%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">5.</TD>
    <TD STYLE="width: 96%; padding-right: 0.75in; font-family: Cambria,serif">Sono-Tek Corporation&#8217;s other certifying officer and I have disclosed, based on our most recent evaluation of internal control over financial reporting, to the registrant&#8217;s auditors and the audit committee of the registrant&#8217;s board of directors (or persons performing equivalent functions):</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.25in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">a)</TD>
    <TD STYLE="width: 94%; padding-right: 49.5pt; font-family: Cambria,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&#8217;s ability to record, process, summarize and report financial information; and</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 0.6in; text-indent: -0.3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 3%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">b)</TD>
    <TD STYLE="width: 94%; padding-right: 49.5pt; font-family: Cambria,serif">Any fraud, whether or not material, that involves management or other employees who have a significant role in the registrant&#8217;s internal controls over financial reporting.</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 1in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 58%; padding-right: 0.8pt; font-family: Cambria,serif">Date:&nbsp;&nbsp;January 17, 2023</TD>
    <TD STYLE="width: 42%; padding-right: 0.8pt; font-family: Cambria,serif"><U>/s/ Stephen J. Bagley</U></TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.8pt; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 0.8pt; font-family: Cambria,serif">Stephen J. Bagley</TD></TR>
  <TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.8pt; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="padding-right: 0.8pt; font-family: Cambria,serif">Chief Financial Officer</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>


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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.1
<SEQUENCE>5
<FILENAME>ex32-1.htm
<DESCRIPTION>CERTIFICATION
<TEXT>
<HTML>
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     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: right">Exhibit 32.1</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>CERTIFICATION PURSUANT TO</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>18 U.S.C. SECTION 1350,</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>AS ADOPTED PURSUANT TO</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">In connection with the Quarterly Report of Sono-Tek Corporation (the &#8220;Company&#8221;)
on Form 10Q for the period ended November 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the &#8220;Report&#8221;).
I, Christopher L. Coccio, Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to
section 906 of the Sarbanes-Oxley Act of 2002, that:</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 8%; padding-right: 10.15pt; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">(1)</TD>
    <TD STYLE="width: 89%; padding-right: 21.3pt; font-family: Cambria,serif">The Report fully complies with the requirements of section 13(a) and 15(d) of the Securities Exchange Act of 1934; and</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 8%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">(2)</TD>
    <TD STYLE="width: 89%; padding-right: 35.1pt; font-family: Cambria,serif">The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt">Date: January 17, 2023</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt"><U>/s/ Christopher L. Coccio</U></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt">Christopher L. Coccio</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt">Chief Executive Officer</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>


</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-32.2
<SEQUENCE>6
<FILENAME>ex32-2.htm
<DESCRIPTION>CERTIFICATION
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: right">Exhibit 32.2</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>CERTIFICATION PURSUANT TO</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>18 U.S.C. SECTION 1350,</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>AS ADOPTED PURSUANT TO</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center"><B>SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002</B></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">In connection with the Quarterly Report of Sono-Tek Corporation (the &#8220;Company&#8221;)
on Form 10Q for the period ended November 30, 2022 as filed with the Securities and Exchange Commission on the date hereof (the &#8220;Report&#8221;).
I, Stephen J. Bagley, Chief Financial Officer, certify, pursuant to 18 U.S.C. section 1350, as adopted pursuant to section 906 of the
Sarbanes-Oxley Act of 2002, that:</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 8%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">(1)</TD>
    <TD STYLE="width: 89%; padding-right: 0.55in; font-family: Cambria,serif">The Report fully complies with the requirements of section 13(a) and 15(d) of the Securities Exchange Act of 1934; and</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="width: 100%; border-collapse: collapse; font-size: 10pt">
  <TR STYLE="vertical-align: top">
    <TD STYLE="width: 8%; font-family: Cambria,serif">&nbsp;</TD>
    <TD STYLE="width: 3%; padding-right: 0.8pt; font-family: Cambria,serif">(2)</TD>
    <TD STYLE="width: 89%; padding-right: 0.55in; font-family: Cambria,serif">The information contained in the Report fairly presents, in all material respects, the financial condition and result of operations of the Company.</TD></TR>
  </TABLE>
<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt">Date: January 17, 2023</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt">&nbsp;</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt"><U>/s/ Stephen J. Bagley</U></P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt">Stephen J. Bagley</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0 0 0 67.5pt; text-indent: -67.5pt">Chief Financial Officer</P>

<P STYLE="font: 10pt Cambria,serif; margin: 0">&nbsp;</P>


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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.SCH
<SEQUENCE>7
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<DESCRIPTION>XBRL SCHEMA FILE
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	  <link:usedOn>link:definitionLink</link:usedOn>
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	<link:roleType roleURI="http://sono-tek.com/role/SignificantAccountingPolicies" id="SignificantAccountingPolicies">
	  <link:definition>00000008 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/RevenueRecognition" id="RevenueRecognition">
	  <link:definition>00000009 - Disclosure - REVENUE RECOGNITION</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/Inventories" id="Inventories">
	  <link:definition>00000010 - Disclosure - INVENTORIES</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/StockOptions" id="StockOptions">
	  <link:definition>00000011 - Disclosure - STOCK OPTIONS</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/Stock-basedCompensation" id="Stock-basedCompensation">
	  <link:definition>00000012 - Disclosure - STOCK-BASED COMPENSATION</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/EarningsPerShare" id="EarningsPerShare">
	  <link:definition>00000013 - Disclosure - EARNINGS PER SHARE</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/RevolvingLineOfCredit" id="RevolvingLineOfCredit">
	  <link:definition>00000014 - Disclosure - REVOLVING LINE OF CREDIT</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/CustomerConcentrationsAndForeignSales" id="CustomerConcentrationsAndForeignSales">
	  <link:definition>00000015 - Disclosure - CUSTOMER CONCENTRATIONS AND FOREIGN SALES</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/SignificantAccountingPoliciesPolicies" id="SignificantAccountingPoliciesPolicies">
	  <link:definition>00000016 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/SignificantAccountingPoliciesTables" id="SignificantAccountingPoliciesTables">
	  <link:definition>00000017 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/RevenueRecognitionTables" id="RevenueRecognitionTables">
	  <link:definition>00000018 - Disclosure - REVENUE RECOGNITION (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/InventoriesTables" id="InventoriesTables">
	  <link:definition>00000019 - Disclosure - INVENTORIES (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/Stock-basedCompensationTables" id="Stock-basedCompensationTables">
	  <link:definition>00000020 - Disclosure - STOCK-BASED COMPENSATION (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/EarningsPerShareTables" id="EarningsPerShareTables">
	  <link:definition>00000021 - Disclosure - EARNINGS PER SHARE (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/CustomerConcentrationsAndForeignSalesTables" id="CustomerConcentrationsAndForeignSalesTables">
	  <link:definition>00000022 - Disclosure - CUSTOMER CONCENTRATIONS AND FOREIGN SALES (Tables)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/ScheduleOfSignificantAccountingPolicies-FairValuesOfFinancialAssetsOfCompanyDetails" id="ScheduleOfSignificantAccountingPolicies-FairValuesOfFinancialAssetsOfCompanyDetails">
	  <link:definition>00000023 - Disclosure - Schedule of Significant Accounting Policies - Fair values of financial assets of the Company (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/ScheduleOfRevenueRecognition-SalesRevenueByProductLineDetails" id="ScheduleOfRevenueRecognition-SalesRevenueByProductLineDetails">
	  <link:definition>00000024 - Disclosure - Schedule of Revenue Recognition - Sales Revenue by Product Line (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/RevenueRecognitionDetailsNarrative" id="RevenueRecognitionDetailsNarrative">
	  <link:definition>00000025 - Disclosure - REVENUE RECOGNITION (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/ScheduleOfInventoryCurrentDetails" id="ScheduleOfInventoryCurrentDetails">
	  <link:definition>00000026 - Disclosure - Schedule of Inventory, Current (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/InventoriesDetailsNarrative" id="InventoriesDetailsNarrative">
	  <link:definition>00000027 - Disclosure - INVENTORIES (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/StockOptionsDetailsNarrative" id="StockOptionsDetailsNarrative">
	  <link:definition>00000028 - Disclosure - STOCK OPTIONS (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/ScheduleOfWeighted-averageBlack-scholesAssumptionsDetails" id="ScheduleOfWeighted-averageBlack-scholesAssumptionsDetails">
	  <link:definition>00000029 - Disclosure - Schedule of weighted-average Black-Scholes assumptions (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/Stock-basedCompensationDetailsNarrative" id="Stock-basedCompensationDetailsNarrative">
	  <link:definition>00000030 - Disclosure - STOCK-BASED COMPENSATION (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/ScheduleOfComputationOfBasicAndDilutedEarningsPerShareDetails" id="ScheduleOfComputationOfBasicAndDilutedEarningsPerShareDetails">
	  <link:definition>00000031 - Disclosure - Schedule of Computation of basic and diluted earnings per share (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/RevolvingLineOfCreditDetailsNarrative" id="RevolvingLineOfCreditDetailsNarrative">
	  <link:definition>00000032 - Disclosure - REVOLVING LINE OF CREDIT (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/ScheduleOfCustomerConcentrationsAndForeignSalesDetails" id="ScheduleOfCustomerConcentrationsAndForeignSalesDetails">
	  <link:definition>00000033 - Disclosure - Schedule of Customer Concentrations and Foreign Sales (Details)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:roleType roleURI="http://sono-tek.com/role/CustomerConcentrationsAndForeignSalesDetailsNarrative" id="CustomerConcentrationsAndForeignSalesDetailsNarrative">
	  <link:definition>00000034 - Disclosure - CUSTOMER CONCENTRATIONS AND FOREIGN SALES (Details Narrative)</link:definition>
	  <link:usedOn>link:presentationLink</link:usedOn>
	  <link:usedOn>link:calculationLink</link:usedOn>
	  <link:usedOn>link:definitionLink</link:usedOn>
	</link:roleType>
	<link:linkbaseRef xlink:type="simple" xlink:href="sotk-20221130_pre.xml" xlink:role="http://www.xbrl.org/2003/role/presentationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Presentation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="sotk-20221130_lab.xml" xlink:role="http://www.xbrl.org/2003/role/labelLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Label Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="sotk-20221130_cal.xml" xlink:role="http://www.xbrl.org/2003/role/calculationLinkbaseRef" xlink:arcrole="http://www.w3.org/1999/xlink/properties/linkbase" xlink:title="Calculation Links" />
	<link:linkbaseRef xlink:type="simple" xlink:href="sotk-20221130_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" />
      </appinfo>
    </annotation>
    <import namespace="http://www.xbrl.org/2003/instance" schemaLocation="http://www.xbrl.org/2003/xbrl-instance-2003-12-31.xsd" />
    <import namespace="http://www.xbrl.org/2003/linkbase" schemaLocation="http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd" />
    <import namespace="http://xbrl.sec.gov/dei/2022" schemaLocation="https://xbrl.sec.gov/dei/2022/dei-2022.xsd" />
    <import namespace="http://fasb.org/us-gaap/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd" />
    <import namespace="http://fasb.org/us-gaap-sup/2022q3" schemaLocation="https://xbrl.fasb.org/us-gaap/2022q3/us-gaap-sup-2022q3.xsd" />
    <import namespace="http://fasb.org/srt-sup/2022q3" schemaLocation="https://xbrl.fasb.org/srt/2022q3/srt-sup-2022q3.xsd" />
    <import namespace="http://fasb.org/us-types/2022" schemaLocation="https://xbrl.fasb.org/us-gaap/2022/elts/us-types-2022.xsd" />
    <import namespace="http://www.xbrl.org/dtr/type/2020-01-21" schemaLocation="https://www.xbrl.org/dtr/type/2020-01-21/types.xsd" />
    <import namespace="http://xbrl.sec.gov/country/2022" schemaLocation="https://xbrl.sec.gov/country/2022/country-2022.xsd" />
    <import namespace="http://fasb.org/srt/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd" />
    <import namespace="http://fasb.org/srt-types/2022" schemaLocation="https://xbrl.fasb.org/srt/2022/elts/srt-types-2022.xsd" />
    <element id="sotk_FluxingSystemsMember" name="FluxingSystemsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_IntegratedCoatingSystemsMember" name="IntegratedCoatingSystemsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_MultiAxisCoatingSystemsMember" name="MultiAxisCoatingSystemsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_OemSystemsMember" name="OemSystemsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_OtherProductLineMember" name="OtherProductLineMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_ProductLineMember" name="ProductLineMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_StockIncentivePlan2013Member" name="StockIncentivePlan2013Member" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_EmployeesAndDirectorsMember" name="EmployeesAndDirectorsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_ForeignCustomersMember" name="ForeignCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_TwoCustomersMember" name="TwoCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_FiveCustomersMember" name="FiveCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_ThreerCustomersMember" name="ThreerCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_SixCustomersMember" name="SixCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_ThreeCustomersMember" name="ThreeCustomersMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_BuildingsAndImprovementsNet" name="BuildingsAndImprovementsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_EquipmentFurnishingsAndBuildingImprovementsNet" name="EquipmentFurnishingsAndBuildingImprovementsNet" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_GainOnPayrollProtectionProgramLoanForgiveness" name="GainOnPayrollProtectionProgramLoanForgiveness" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions" name="StockIssuedDuringPeriodSharesCashlessExerciseStockOptions" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_PaycheckProtectionProgramLoanForgiveness" name="PaycheckProtectionProgramLoanForgiveness" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_PurchaseSaleOfMarketableSecuritiesNet" name="PurchaseSaleOfMarketableSecuritiesNet" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_UncertaintiesPolicyTextBlock" name="UncertaintiesPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_SalesRevenuePercent" name="SalesRevenuePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_OptionsExercisedNetCashlessBasis" name="OptionsExercisedNetCashlessBasis" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers" name="CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
</schema>
</XBRL>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-101.CAL
<SEQUENCE>8
<FILENAME>sotk-20221130_cal.xml
<DESCRIPTION>XBRL CALCULATION FILE
<TEXT>
<XBRL>
<?xml version="1.0" encoding="US-ASCII" standalone="no"?>
    <!-- Field: Doc-Info; Name: Generator; Value: GoFiler Complete; Version: 5.17a -->
    <!-- Field: Doc-Info; Name: VendorURI; Value: https://www.novaworks.com -->
    <!-- Field: Doc-Info; Name: Status; Value: 0x00000000 -->
<link:linkbase xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:link="http://www.xbrl.org/2003/linkbase" xmlns:xbrli="http://www.xbrl.org/2003/instance" xsi:schemaLocation="http://www.xbrl.org/2003/linkbase http://www.xbrl.org/2003/xbrl-linkbase-2003-12-31.xsd">
    <link:roleRef roleURI="http://sono-tek.com/role/Cover" xlink:href="sotk-20221130.xsd#Cover" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/CondensecConsolidatedBalanceSheets" xlink:href="sotk-20221130.xsd#CondensecConsolidatedBalanceSheets" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/CondensecConsolidatedBalanceSheetsParenthetical" xlink:href="sotk-20221130.xsd#CondensecConsolidatedBalanceSheetsParenthetical" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/StatementsOfIncome" xlink:href="sotk-20221130.xsd#StatementsOfIncome" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/StatementsOfStockholdersEquity" xlink:href="sotk-20221130.xsd#StatementsOfStockholdersEquity" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/StatementsOfCashFlows" xlink:href="sotk-20221130.xsd#StatementsOfCashFlows" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/BusinessDescription" xlink:href="sotk-20221130.xsd#BusinessDescription" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/SignificantAccountingPolicies" xlink:href="sotk-20221130.xsd#SignificantAccountingPolicies" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/RevenueRecognition" xlink:href="sotk-20221130.xsd#RevenueRecognition" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/Inventories" xlink:href="sotk-20221130.xsd#Inventories" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/StockOptions" xlink:href="sotk-20221130.xsd#StockOptions" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/Stock-basedCompensation" xlink:href="sotk-20221130.xsd#Stock-basedCompensation" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/EarningsPerShare" xlink:href="sotk-20221130.xsd#EarningsPerShare" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/RevolvingLineOfCredit" xlink:href="sotk-20221130.xsd#RevolvingLineOfCredit" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/CustomerConcentrationsAndForeignSales" xlink:href="sotk-20221130.xsd#CustomerConcentrationsAndForeignSales" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/SignificantAccountingPoliciesPolicies" xlink:href="sotk-20221130.xsd#SignificantAccountingPoliciesPolicies" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/SignificantAccountingPoliciesTables" xlink:href="sotk-20221130.xsd#SignificantAccountingPoliciesTables" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/RevenueRecognitionTables" xlink:href="sotk-20221130.xsd#RevenueRecognitionTables" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/InventoriesTables" xlink:href="sotk-20221130.xsd#InventoriesTables" xlink:type="simple" />
    <link:roleRef roleURI="http://sono-tek.com/role/Stock-basedCompensationTables" xlink:href="sotk-20221130.xsd#Stock-basedCompensationTables" xlink:type="simple" />
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    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedPeriodStartLabel" roleURI="http://www.xbrl.org/2009/role/negatedPeriodStartLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTotalLabel" roleURI="http://www.xbrl.org/2009/role/negatedTotalLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedNetLabel" roleURI="http://www.xbrl.org/2009/role/negatedNetLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/negated-2009-12-16.xsd#negatedTerseLabel" roleURI="http://www.xbrl.org/2009/role/negatedTerseLabel" />
    <link:roleRef xlink:type="simple" xlink:href="http://www.xbrl.org/lrr/role/net-2009-12-16.xsd#netLabel" roleURI="http://www.xbrl.org/2009/role/netLabel" />
    <link:labelLink xlink:type="extended" xlink:role="http://www.xbrl.org/2003/role/link">
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StatementEquityComponentsAxis" xlink:label="us-gaap_StatementEquityComponentsAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StatementEquityComponentsAxis" xlink:to="us-gaap_StatementEquityComponentsAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StatementEquityComponentsAxis_lbl" xml:lang="en-US">Equity Components [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockMember" xlink:label="us-gaap_CommonStockMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockMember" xlink:to="us-gaap_CommonStockMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockMember_lbl" xml:lang="en-US">Common Stock [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapitalMember" xlink:label="us-gaap_AdditionalPaidInCapitalMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapitalMember" xlink:to="us-gaap_AdditionalPaidInCapitalMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapitalMember_lbl" xml:lang="en-US">Additional Paid-in Capital [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsMember" xlink:label="us-gaap_RetainedEarningsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsMember" xlink:to="us-gaap_RetainedEarningsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsMember_lbl" xml:lang="en-US">Retained Earnings [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueByFairValueHierarchyLevelAxis" xlink:to="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueByFairValueHierarchyLevelAxis_lbl" xml:lang="en-US">Fair Value Hierarchy and NAV [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel1Member" xlink:label="us-gaap_FairValueInputsLevel1Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel1Member" xlink:to="us-gaap_FairValueInputsLevel1Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel1Member_lbl" xml:lang="en-US">Fair Value, Inputs, Level 1 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel2Member" xlink:label="us-gaap_FairValueInputsLevel2Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel2Member" xlink:to="us-gaap_FairValueInputsLevel2Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel2Member_lbl" xml:lang="en-US">Fair Value, Inputs, Level 2 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueInputsLevel3Member" xlink:label="us-gaap_FairValueInputsLevel3Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueInputsLevel3Member" xlink:to="us-gaap_FairValueInputsLevel3Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueInputsLevel3Member_lbl" xml:lang="en-US">Fair Value, Inputs, Level 3 [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_ProductOrServiceAxis" xlink:label="srt_ProductOrServiceAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_ProductOrServiceAxis" xlink:to="srt_ProductOrServiceAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_ProductOrServiceAxis_lbl" xml:lang="en-US">Product and Service [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_FluxingSystemsMember" xlink:label="sotk_FluxingSystemsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_FluxingSystemsMember" xlink:to="sotk_FluxingSystemsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_FluxingSystemsMember_lbl" xml:lang="en-US">Fluxing Systems</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_IntegratedCoatingSystemsMember" xlink:label="sotk_IntegratedCoatingSystemsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_IntegratedCoatingSystemsMember" xlink:to="sotk_IntegratedCoatingSystemsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_IntegratedCoatingSystemsMember_lbl" xml:lang="en-US">Integrated Coating Systems</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_MultiAxisCoatingSystemsMember" xlink:label="sotk_MultiAxisCoatingSystemsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_MultiAxisCoatingSystemsMember" xlink:to="sotk_MultiAxisCoatingSystemsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_MultiAxisCoatingSystemsMember_lbl" xml:lang="en-US">Multi-Axis Coating Systems</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_OemSystemsMember" xlink:label="sotk_OemSystemsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_OemSystemsMember" xlink:to="sotk_OemSystemsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_OemSystemsMember_lbl" xml:lang="en-US">OEM Systems</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_OtherProductLineMember" xlink:label="sotk_OtherProductLineMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_OtherProductLineMember" xlink:to="sotk_OtherProductLineMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_OtherProductLineMember_lbl" xml:lang="en-US">Other Product Line</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_ProductLineMember" xlink:label="sotk_ProductLineMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_ProductLineMember" xlink:to="sotk_ProductLineMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_ProductLineMember_lbl" xml:lang="en-US">Total Product Line</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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="sotk-20221130.xsd#sotk_StockIncentivePlan2013Member" xlink:label="sotk_StockIncentivePlan2013Member" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_StockIncentivePlan2013Member" xlink:to="sotk_StockIncentivePlan2013Member_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_StockIncentivePlan2013Member_lbl" xml:lang="en-US">2013 Stock Incentive Plan ("2013 Plan")</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AwardTypeAxis" xlink:label="us-gaap_AwardTypeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AwardTypeAxis" xlink:to="us-gaap_AwardTypeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AwardTypeAxis_lbl" xml:lang="en-US">Award Type [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeStockOptionMember" xlink:label="us-gaap_EmployeeStockOptionMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeStockOptionMember" xlink:to="us-gaap_EmployeeStockOptionMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeStockOptionMember_lbl" xml:lang="en-US">Share-Based Payment Arrangement, Option [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.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/2022/elts/srt-2022.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/2022/elts/srt-2022.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/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedPaymentArrangementNonemployeeMember" xlink:label="us-gaap_ShareBasedPaymentArrangementNonemployeeMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedPaymentArrangementNonemployeeMember" xlink:to="us-gaap_ShareBasedPaymentArrangementNonemployeeMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedPaymentArrangementNonemployeeMember_lbl" xml:lang="en-US">Share-Based Payment Arrangement, Nonemployee [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_EmployeesAndDirectorsMember" xlink:label="sotk_EmployeesAndDirectorsMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_EmployeesAndDirectorsMember" xlink:to="sotk_EmployeesAndDirectorsMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_EmployeesAndDirectorsMember_lbl" xml:lang="en-US">Employees And Directors [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CreditFacilityAxis" xlink:label="us-gaap_CreditFacilityAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CreditFacilityAxis" xlink:to="us-gaap_CreditFacilityAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CreditFacilityAxis_lbl" xml:lang="en-US">Credit Facility [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevolvingCreditFacilityMember" xlink:label="us-gaap_RevolvingCreditFacilityMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevolvingCreditFacilityMember" xlink:to="us-gaap_RevolvingCreditFacilityMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevolvingCreditFacilityMember_lbl" xml:lang="en-US">Revolving Credit Facility [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LetterOfCreditMember" xlink:label="us-gaap_LetterOfCreditMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LetterOfCreditMember" xlink:to="us-gaap_LetterOfCreditMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LetterOfCreditMember_lbl" xml:lang="en-US">Letter of Credit [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.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.fasb.org/srt/2022/elts/srt-2022.xsd#srt_AsiaPacificMember" xlink:label="srt_AsiaPacificMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_AsiaPacificMember" xlink:to="srt_AsiaPacificMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_AsiaPacificMember_lbl" xml:lang="en-US">Asia Pacific [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EMEAMember" xlink:label="us-gaap_EMEAMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EMEAMember" xlink:to="us-gaap_EMEAMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EMEAMember_lbl" xml:lang="en-US">EMEA [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_LatinAmericaMember" xlink:label="srt_LatinAmericaMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_LatinAmericaMember" xlink:to="srt_LatinAmericaMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_LatinAmericaMember_lbl" xml:lang="en-US">Latin America [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByTypeAxis" xlink:label="us-gaap_ConcentrationRiskByTypeAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByTypeAxis" xlink:to="us-gaap_ConcentrationRiskByTypeAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskByTypeAxis_lbl" xml:lang="en-US">Concentration Risk Type [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_ForeignCustomersMember" xlink:label="sotk_ForeignCustomersMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_ForeignCustomersMember" xlink:to="sotk_ForeignCustomersMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_ForeignCustomersMember_lbl" xml:lang="en-US">Foreign Customers</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskByBenchmarkAxis" xlink:to="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskByBenchmarkAxis_lbl" xml:lang="en-US">Concentration Risk Benchmark [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SalesRevenueNetMember" xlink:label="us-gaap_SalesRevenueNetMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SalesRevenueNetMember" xlink:to="us-gaap_SalesRevenueNetMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SalesRevenueNetMember_lbl" xml:lang="en-US">Revenue Benchmark [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CustomerConcentrationRiskMember" xlink:label="us-gaap_CustomerConcentrationRiskMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CustomerConcentrationRiskMember" xlink:to="us-gaap_CustomerConcentrationRiskMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerConcentrationRiskMember_lbl" xml:lang="en-US">Customer Concentration Risk [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/srt/2022/elts/srt-2022.xsd#srt_MajorCustomersAxis" xlink:label="srt_MajorCustomersAxis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="srt_MajorCustomersAxis" xlink:to="srt_MajorCustomersAxis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="srt_MajorCustomersAxis_lbl" xml:lang="en-US">Customer [Axis]</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_TwoCustomersMember" xlink:label="sotk_TwoCustomersMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_TwoCustomersMember" xlink:to="sotk_TwoCustomersMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_TwoCustomersMember_lbl" xml:lang="en-US">Two Customers [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_FiveCustomersMember" xlink:label="sotk_FiveCustomersMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_FiveCustomersMember" xlink:to="sotk_FiveCustomersMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_FiveCustomersMember_lbl" xml:lang="en-US">Five Customers [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsReceivableMember" xlink:label="us-gaap_AccountsReceivableMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsReceivableMember" xlink:to="us-gaap_AccountsReceivableMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsReceivableMember_lbl" xml:lang="en-US">Accounts Receivable [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_ThreerCustomersMember" xlink:label="sotk_ThreerCustomersMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_ThreerCustomersMember" xlink:to="sotk_ThreerCustomersMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_ThreerCustomersMember_lbl" xml:lang="en-US">Threer Customers [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_SixCustomersMember" xlink:label="sotk_SixCustomersMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_SixCustomersMember" xlink:to="sotk_SixCustomersMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_SixCustomersMember_lbl" xml:lang="en-US">Six Customers [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_ThreeCustomersMember" xlink:label="sotk_ThreeCustomersMember" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_ThreeCustomersMember" xlink:to="sotk_ThreeCustomersMember_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_ThreeCustomersMember_lbl" xml:lang="en-US">Three Customers [Member]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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/2022/dei-2022.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>
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      <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>
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      <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>
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      <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/2022/dei-2022.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>
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      <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/2022/dei-2022.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>
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      <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/2022/dei-2022.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/2022/dei-2022.xsd#dei_EntityCurrentReportingStatus" xlink:label="dei_EntityCurrentReportingStatus" />
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      <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/2022/dei-2022.xsd#dei_EntityInteractiveDataCurrent" xlink:label="dei_EntityInteractiveDataCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityInteractiveDataCurrent" xlink:to="dei_EntityInteractiveDataCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityInteractiveDataCurrent_lbl" xml:lang="en-US">Entity Interactive Data Current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityFilerCategory" xlink:label="dei_EntityFilerCategory" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityFilerCategory" xlink:to="dei_EntityFilerCategory_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityFilerCategory_lbl" xml:lang="en-US">Entity Filer Category</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntitySmallBusiness" xlink:label="dei_EntitySmallBusiness" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntitySmallBusiness" xlink:to="dei_EntitySmallBusiness_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntitySmallBusiness_lbl" xml:lang="en-US">Entity Small Business</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_EntityEmergingGrowthCompany" xlink:to="dei_EntityEmergingGrowthCompany_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityEmergingGrowthCompany_lbl" xml:lang="en-US">Entity Emerging Growth Company</link:label>
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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>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_DocumentAccountingStandard" xlink:label="dei_DocumentAccountingStandard" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="dei_DocumentAccountingStandard" xlink:to="dei_DocumentAccountingStandard_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_DocumentAccountingStandard_lbl" xml:lang="en-US">Document Accounting Standard</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_OtherReportingStandardItemNumber" xlink:label="dei_OtherReportingStandardItemNumber" />
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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>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityShellCompany" xlink:label="dei_EntityShellCompany" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="dei_EntityShellCompany_lbl" xml:lang="en-US">Entity Shell Company</link:label>
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      <link:loc xlink:type="locator" xlink:href="https://xbrl.sec.gov/dei/2022/dei-2022.xsd#dei_EntityBankruptcyProceedingsReportingCurrent" xlink:label="dei_EntityBankruptcyProceedingsReportingCurrent" />
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      <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/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.xsd#us-gaap_Land" xlink:label="us-gaap_Land" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Land" xlink:to="us-gaap_Land_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Land_lbl" xml:lang="en-US">Land</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_BuildingsAndImprovementsNet" xlink:label="sotk_BuildingsAndImprovementsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_BuildingsAndImprovementsNet" xlink:to="sotk_BuildingsAndImprovementsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_BuildingsAndImprovementsNet_lbl" xml:lang="en-US">Buildings, net</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_EquipmentFurnishingsAndBuildingImprovementsNet" xlink:label="sotk_EquipmentFurnishingsAndBuildingImprovementsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_EquipmentFurnishingsAndBuildingImprovementsNet" xlink:to="sotk_EquipmentFurnishingsAndBuildingImprovementsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_EquipmentFurnishingsAndBuildingImprovementsNet_lbl" xml:lang="en-US">Equipment, furnishings and building improvements, net</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IntangibleAssetsNetExcludingGoodwill" xlink:to="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IntangibleAssetsNetExcludingGoodwill_lbl" xml:lang="en-US">Intangible assets, net</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxAssetsNet" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxAssetsNet" xlink:to="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxAssetsNet_lbl" xml:lang="en-US">Deferred tax asset</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Assets" xlink:label="us-gaap_Assets" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Assets" xlink:to="us-gaap_Assets_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Assets_lbl" xml:lang="en-US">TOTAL ASSETS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrentAbstract" xlink:label="us-gaap_LiabilitiesCurrentAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrentAbstract" xlink:to="us-gaap_LiabilitiesCurrentAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LiabilitiesCurrentAbstract_lbl" xml:lang="en-US">Current Liabilities:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccountsPayableCurrent" xlink:label="us-gaap_AccountsPayableCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccountsPayableCurrent" xlink:to="us-gaap_AccountsPayableCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccountsPayableCurrent_lbl" xml:lang="en-US">Accounts payable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedLiabilitiesCurrent" xlink:label="us-gaap_AccruedLiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedLiabilitiesCurrent" xlink:to="us-gaap_AccruedLiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedLiabilitiesCurrent_lbl" xml:lang="en-US">Accrued expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityCurrent" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ContractWithCustomerLiabilityCurrent" xlink:to="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ContractWithCustomerLiabilityCurrent_lbl" xml:lang="en-US">Customer deposits</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccruedIncomeTaxesCurrent" xlink:label="us-gaap_AccruedIncomeTaxesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccruedIncomeTaxesCurrent" xlink:to="us-gaap_AccruedIncomeTaxesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccruedIncomeTaxesCurrent_lbl" xml:lang="en-US">Income taxes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LiabilitiesCurrent" xlink:label="us-gaap_LiabilitiesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LiabilitiesCurrent" xlink:to="us-gaap_LiabilitiesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_LiabilitiesCurrent_lbl" xml:lang="en-US">Total current liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DeferredIncomeTaxLiabilitiesNet" xlink:to="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DeferredIncomeTaxLiabilitiesNet_lbl" xml:lang="en-US">Deferred tax liability</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Liabilities" xlink:label="us-gaap_Liabilities" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Liabilities" xlink:to="us-gaap_Liabilities_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_Liabilities_lbl" xml:lang="en-US">Total liabilities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquityAbstract" xlink:label="us-gaap_StockholdersEquityAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquityAbstract" xlink:to="us-gaap_StockholdersEquityAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockholdersEquityAbstract_lbl" xml:lang="en-US">Stockholders&#8217; Equity</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockValue" xlink:label="us-gaap_CommonStockValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockValue" xlink:to="us-gaap_CommonStockValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockValue_lbl" xml:lang="en-US">Common stock, $.01 par value; 25,000,000 shares authorized, 15,742,073 and 15,729,175 shares issued and outstanding, respectively</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AdditionalPaidInCapital" xlink:label="us-gaap_AdditionalPaidInCapital" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AdditionalPaidInCapital" xlink:to="us-gaap_AdditionalPaidInCapital_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdditionalPaidInCapital_lbl" xml:lang="en-US">Additional paid-in capital</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RetainedEarningsAccumulatedDeficit" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RetainedEarningsAccumulatedDeficit" xlink:to="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RetainedEarningsAccumulatedDeficit_lbl" xml:lang="en-US">Accumulated earnings</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockholdersEquity" xlink:label="us-gaap_StockholdersEquity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockholdersEquity" xlink:to="us-gaap_StockholdersEquity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" 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/2022/elts/us-gaap-2022.xsd#us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent" xlink:label="us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent" xlink:to="us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent_lbl" xml:lang="en-US">Allowance for doubtful receivables</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockParOrStatedValuePerShare" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockParOrStatedValuePerShare" xlink:to="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockParOrStatedValuePerShare_lbl" xml:lang="en-US">Common stock, par value</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesAuthorized" xlink:label="us-gaap_CommonStockSharesAuthorized" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesAuthorized" xlink:to="us-gaap_CommonStockSharesAuthorized_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesAuthorized_lbl" xml:lang="en-US">Common stock shares authorized</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CommonStockSharesIssued" xlink:label="us-gaap_CommonStockSharesIssued" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CommonStockSharesIssued" xlink:to="us-gaap_CommonStockSharesIssued_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CommonStockSharesIssued_lbl" xml:lang="en-US">Common stock, shares issued</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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, shares outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeStatementAbstract" xlink:label="us-gaap_IncomeStatementAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeStatementAbstract" xlink:to="us-gaap_IncomeStatementAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeStatementAbstract_lbl" xml:lang="en-US">Income Statement [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_Revenues" xlink:label="us-gaap_Revenues" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_Revenues" xlink:to="us-gaap_Revenues_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_Revenues_lbl" xml:lang="en-US">Net Sales</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CostOfRevenue" xlink:label="us-gaap_CostOfRevenue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CostOfRevenue" xlink:to="us-gaap_CostOfRevenue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CostOfRevenue_lbl" xml:lang="en-US">Cost of Goods Sold</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GrossProfit" xlink:label="us-gaap_GrossProfit" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GrossProfit" xlink:to="us-gaap_GrossProfit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_GrossProfit_lbl" xml:lang="en-US">Gross Profit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingExpensesAbstract_lbl" xml:lang="en-US">Operating Expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ResearchAndDevelopmentExpense" xlink:label="us-gaap_ResearchAndDevelopmentExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ResearchAndDevelopmentExpense" xlink:to="us-gaap_ResearchAndDevelopmentExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ResearchAndDevelopmentExpense_lbl" xml:lang="en-US">Research and product development costs</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SellingAndMarketingExpense" xlink:label="us-gaap_SellingAndMarketingExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SellingAndMarketingExpense" xlink:to="us-gaap_SellingAndMarketingExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SellingAndMarketingExpense_lbl" xml:lang="en-US">Marketing and selling expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_GeneralAndAdministrativeExpense" xlink:label="us-gaap_GeneralAndAdministrativeExpense" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_GeneralAndAdministrativeExpense" xlink:to="us-gaap_GeneralAndAdministrativeExpense_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_GeneralAndAdministrativeExpense_lbl" xml:lang="en-US">General and administrative costs</link:label>
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      <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>
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      <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">Beginning balance, value</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharesOutstanding" xlink:to="us-gaap_SharesOutstanding_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/periodStartLabel" xlink:label="us-gaap_SharesOutstanding_2_lbl" xml:lang="en-US">Beginning balance, Shares</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue_lbl" xml:lang="en-US">Stock based compensation expense</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/label" xlink:label="us-gaap_NetIncomeLoss_lbl" xml:lang="en-US">Net income</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" xlink:label="us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised" />
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      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions" xlink:label="sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions" />
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      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ProceedsFromStockOptionsExercised" xlink:label="us-gaap_ProceedsFromStockOptionsExercised" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract_lbl" xml:lang="en-US">(Decrease) Increase in:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.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 current assets</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/label" xlink:label="us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities_lbl" xml:lang="en-US">Accounts payable and accrued expenses</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInContractWithCustomerLiability" xlink:to="us-gaap_IncreaseDecreaseInContractWithCustomerLiability_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability_lbl" xml:lang="en-US">Customer deposits</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncreaseDecreaseInAccruedTaxesPayable" xlink:label="us-gaap_IncreaseDecreaseInAccruedTaxesPayable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccruedTaxesPayable" xlink:to="us-gaap_IncreaseDecreaseInAccruedTaxesPayable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_IncreaseDecreaseInAccruedTaxesPayable_lbl" xml:lang="en-US">Income taxes payable</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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 Operating Activities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashFlowInvestingActivitiesLesseeAbstract" xlink:label="us-gaap_CashFlowInvestingActivitiesLesseeAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashFlowInvestingActivitiesLesseeAbstract" xlink:to="us-gaap_CashFlowInvestingActivitiesLesseeAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashFlowInvestingActivitiesLesseeAbstract_lbl" xml:lang="en-US">CASH FLOWS FROM INVESTING ACTIVITIES:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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">Purchase of equipment, furnishings and leasehold improvements</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_PurchaseSaleOfMarketableSecuritiesNet" xlink:label="sotk_PurchaseSaleOfMarketableSecuritiesNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_PurchaseSaleOfMarketableSecuritiesNet" xlink:to="sotk_PurchaseSaleOfMarketableSecuritiesNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_PurchaseSaleOfMarketableSecuritiesNet_lbl" xml:lang="en-US">(Purchase) Sale of marketable securities - net</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.xsd#us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract" xlink:to="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract_lbl" xml:lang="en-US">CASH FLOWS FROM FINANCING ACTIVITIES:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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 Provided by Financing Activities</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect" xlink:to="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect_lbl" xml:lang="en-US">NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_CashAndCashEquivalentsAbstract" xlink:label="us-gaap_CashAndCashEquivalentsAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_CashAndCashEquivalentsAbstract" xlink:to="us-gaap_CashAndCashEquivalentsAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CashAndCashEquivalentsAbstract_lbl" xml:lang="en-US">CASH AND CASH EQUIVALENTS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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">Beginning of period</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">End of period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SupplementalCashFlowInformationAbstract" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SupplementalCashFlowInformationAbstract" xlink:to="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SupplementalCashFlowInformationAbstract_lbl" xml:lang="en-US">SUPPLEMENTAL CASH FLOW DISCLOSURE:</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InterestPaidNet" xlink:label="us-gaap_InterestPaidNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InterestPaidNet" xlink:to="us-gaap_InterestPaidNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InterestPaidNet_lbl" xml:lang="en-US">Interest paid</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxesPaidNet" xlink:label="us-gaap_IncomeTaxesPaidNet" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncomeTaxesPaidNet" xlink:to="us-gaap_IncomeTaxesPaidNet_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxesPaidNet_lbl" xml:lang="en-US">Income Taxes Paid</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.xsd#us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock" xlink:to="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_BusinessDescriptionAndBasisOfPresentationTextBlock_lbl" xml:lang="en-US">BUSINESS DESCRIPTION</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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">SIGNIFICANT ACCOUNTING POLICIES</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerTextBlock" xlink:to="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueFromContractWithCustomerTextBlock_lbl" xml:lang="en-US">REVENUE RECOGNITION</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.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/2022/elts/us-gaap-2022.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">STOCK OPTIONS</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" xlink:label="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock" xlink:to="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock_lbl" xml:lang="en-US">STOCK-BASED COMPENSATION</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EarningsPerShareAbstract" xlink:label="us-gaap_EarningsPerShareAbstract" />
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      <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>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EarningsPerShareTextBlock_lbl" xml:lang="en-US">EARNINGS PER SHARE</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DebtDisclosureAbstract" xlink:label="us-gaap_DebtDisclosureAbstract" />
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      <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>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermDebtTextBlock" xlink:to="us-gaap_ShortTermDebtTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortTermDebtTextBlock_lbl" xml:lang="en-US">REVOLVING LINE OF CREDIT</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RisksAndUncertaintiesAbstract" xlink:label="us-gaap_RisksAndUncertaintiesAbstract" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RisksAndUncertaintiesAbstract_lbl" xml:lang="en-US">Risks and Uncertainties [Abstract]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:label="us-gaap_ConcentrationRiskDisclosureTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskDisclosureTextBlock" xlink:to="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskDisclosureTextBlock_lbl" xml:lang="en-US">CUSTOMER CONCENTRATIONS AND FOREIGN SALES</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConsolidationPolicyTextBlock" xlink:to="us-gaap_ConsolidationPolicyTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConsolidationPolicyTextBlock_lbl" xml:lang="en-US">Consolidation</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueOfFinancialInstrumentsPolicy" xlink:to="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueOfFinancialInstrumentsPolicy_lbl" xml:lang="en-US">Fair Value of Financial Instruments</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_IncomeTaxPolicyTextBlock" xlink:label="us-gaap_IncomeTaxPolicyTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncomeTaxPolicyTextBlock_lbl" xml:lang="en-US">Income Taxes</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryPolicyTextBlock" xlink:label="us-gaap_InventoryPolicyTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryPolicyTextBlock" xlink:to="us-gaap_InventoryPolicyTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_InventoryPolicyTextBlock_lbl" xml:lang="en-US">Inventories</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_UseOfEstimates" xlink:to="us-gaap_UseOfEstimates_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_UseOfEstimates_lbl" xml:lang="en-US">Management Estimates</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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">New Accounting Pronouncements</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_StandardProductWarrantyPolicy" xlink:label="us-gaap_StandardProductWarrantyPolicy" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StandardProductWarrantyPolicy" xlink:to="us-gaap_StandardProductWarrantyPolicy_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StandardProductWarrantyPolicy_lbl" xml:lang="en-US">Product Warranty</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueRecognitionPolicyTextBlock" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueRecognitionPolicyTextBlock" xlink:to="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueRecognitionPolicyTextBlock_lbl" xml:lang="en-US">Revenue Recognition</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_UncertaintiesPolicyTextBlock" xlink:label="sotk_UncertaintiesPolicyTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_UncertaintiesPolicyTextBlock" xlink:to="sotk_UncertaintiesPolicyTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_UncertaintiesPolicyTextBlock_lbl" xml:lang="en-US">Uncertainties</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock" xlink:to="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock_lbl" xml:lang="en-US">Schedule of Significant Accounting Policies - Fair values of financial assets of the Company</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" xlink:label="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock_lbl" xml:lang="en-US">Schedule of Revenue Recognition - Sales Revenue by Product Line</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfInventoryCurrentTableTextBlock" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfInventoryCurrentTableTextBlock_lbl" xml:lang="en-US">Schedule of Inventory, Current</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_lbl" xml:lang="en-US">Schedule of weighted-average Black-Scholes assumptions</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_lbl" xml:lang="en-US">Schedule of Customer Concentrations and Foreign Sales</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" xlink:label="us-gaap_ScheduleOfDefinedBenefitPlansDisclosuresTable" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_MarketableSecuritiesCurrent_2_lbl" xml:lang="en-US">Marketable Securities</link:label>
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      <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>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_Revenues_2_lbl" xml:lang="en-US">Sales revenue</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_CustomerAdvancesAndDeposits_lbl" xml:lang="en-US">Cash deposits</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCredit" xlink:to="us-gaap_LineOfCredit_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCredit_lbl" xml:lang="en-US">Letter of credit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ContractWithCustomerLiabilityRevenueRecognized" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized" />
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ContractWithCustomerLiabilityRevenueRecognized_lbl" xml:lang="en-US">Revenue recognized</link:label>
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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 and subassemblies</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryFinishedGoods" xlink:to="us-gaap_InventoryFinishedGoods_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryFinishedGoods_lbl" xml:lang="en-US">Finished goods</link:label>
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      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryWorkInProcess" xlink:to="us-gaap_InventoryWorkInProcess_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryWorkInProcess_lbl" xml:lang="en-US">Work in process</link:label>
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      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/totalLabel" xlink:label="us-gaap_InventoryNet_lbl" xml:lang="en-US">Net inventories</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_InventoryValuationReserves" xlink:label="us-gaap_InventoryValuationReserves" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_InventoryValuationReserves" xlink:to="us-gaap_InventoryValuationReserves_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_InventoryValuationReserves_lbl" xml:lang="en-US">Allowance for slow moving inventory</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossTable_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems" xlink:to="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems_lbl" xml:lang="en-US">Accumulated Other Comprehensive Income (Loss) [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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">Stock options shares available for grants</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_lbl" xml:lang="en-US">Stock options, outstanding</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_lbl" xml:lang="en-US">Stock options, vested</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_OptionsExercisedNetCashlessBasis" xlink:label="sotk_OptionsExercisedNetCashlessBasis" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_OptionsExercisedNetCashlessBasis" xlink:to="sotk_OptionsExercisedNetCashlessBasis_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_OptionsExercisedNetCashlessBasis_lbl" xml:lang="en-US">Options exercised, net cashless basis</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised" xlink:to="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised_2_lbl" xml:lang="en-US">Options exercised</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable" xlink:to="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ScheduleOfShareBasedCompensationArrangementsByShareBasedPaymentAwardTable_lbl" xml:lang="en-US">Schedule of Share-Based Compensation Arrangements by Share-Based Payment Award [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems_lbl" xml:lang="en-US">Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_lbl" xml:lang="en-US">Expected life (in years)</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_lbl" xml:lang="en-US">Risk free interest rate, minimum</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_lbl" xml:lang="en-US">Risk free interest rate, maximum</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_lbl" xml:lang="en-US">Expected volatility, minimum</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_lbl" xml:lang="en-US">Expected volatility, maximum</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_lbl" xml:lang="en-US">Expected dividend yield</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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">Options granted</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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/label" xlink:label="us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_lbl" xml:lang="en-US">Options, exercisable price</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_lbl" xml:lang="en-US">Options, vesting period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod" xlink:to="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_lbl" xml:lang="en-US">Options, expiration period</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_lbl" xml:lang="en-US">Weighted average grant date fair value, per share</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_lbl" xml:lang="en-US">Compensation expense yet to be recognized</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1" xlink:to="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_lbl" xml:lang="en-US">Period for compensation expense to be recognized</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.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 expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ProfitLoss" xlink:to="us-gaap_ProfitLoss_3_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ProfitLoss_3_lbl" xml:lang="en-US">Numerator for basic and diluted earnings per share</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic" xlink:to="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfSharesOutstandingBasic_2_lbl" xml:lang="en-US">Denominator for basic earnings per share &#8211; weighted average</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_DilutiveSecuritiesAbstract" xlink:label="us-gaap_DilutiveSecuritiesAbstract" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_DilutiveSecuritiesAbstract" xlink:to="us-gaap_DilutiveSecuritiesAbstract_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_DilutiveSecuritiesAbstract_lbl" xml:lang="en-US">Effects of dilutive securities</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross" xlink:to="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_2_lbl" xml:lang="en-US">Stock options for employees and directors</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding" xlink:to="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding_2_lbl" xml:lang="en-US">Denominator for diluted earnings per share</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareBasic" xlink:to="us-gaap_EarningsPerShareBasic_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EarningsPerShareBasic_2_lbl" xml:lang="en-US">Basic earnings per share</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_EarningsPerShareDiluted" xlink:to="us-gaap_EarningsPerShareDiluted_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="us-gaap_EarningsPerShareDiluted_2_lbl" xml:lang="en-US">Diluted earnings per share</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityTable" xlink:label="us-gaap_LineOfCreditFacilityTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityTable" xlink:to="us-gaap_LineOfCreditFacilityTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityTable_lbl" xml:lang="en-US">Line of Credit Facility [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityLineItems" xlink:label="us-gaap_LineOfCreditFacilityLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityLineItems" xlink:to="us-gaap_LineOfCreditFacilityLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityLineItems_lbl" xml:lang="en-US">Line of Credit Facility [Line Items]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity_lbl" xml:lang="en-US">Revolving line of credit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:label="us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd" xlink:to="us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd_lbl" xml:lang="en-US">Interest rate</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityDescription" xlink:label="us-gaap_LineOfCreditFacilityDescription" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityDescription" xlink:to="us-gaap_LineOfCreditFacilityDescription_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityDescription_lbl" xml:lang="en-US">Revolving credit line description</link:label>
      <link:loc xlink:type="locator" xlink:href="sotk-20221130.xsd#sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers" xlink:label="sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers" xlink:to="sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers_lbl" xml:lang="en-US">Credit line utilized to collateralize letter of credit issued to customers</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ShortTermBorrowings" xlink:label="us-gaap_ShortTermBorrowings" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ShortTermBorrowings" xlink:to="us-gaap_ShortTermBorrowings_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ShortTermBorrowings_lbl" xml:lang="en-US">Outstanding borrowings under the line of credit</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity" xlink:to="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity_lbl" xml:lang="en-US">Unused portion of credit line</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax" xlink:to="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax_lbl" xml:lang="en-US">Total sales</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskTable" xlink:label="us-gaap_ConcentrationRiskTable" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskTable" xlink:to="us-gaap_ConcentrationRiskTable_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskTable_lbl" xml:lang="en-US">Concentration Risk [Table]</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskLineItems" xlink:label="us-gaap_ConcentrationRiskLineItems" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskLineItems" xlink:to="us-gaap_ConcentrationRiskLineItems_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskLineItems_lbl" xml:lang="en-US">Concentration Risk [Line Items]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_SalesRevenuePercent" xlink:to="sotk_SalesRevenuePercent_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/verboseLabel" xlink:label="sotk_SalesRevenuePercent_2_lbl" xml:lang="en-US">Sales revenue, percent</link:label>
      <link:loc xlink:type="locator" xlink:href="https://xbrl.fasb.org/us-gaap/2022/elts/us-gaap-2022.xsd#us-gaap_ConcentrationRiskPercentage1" xlink:label="us-gaap_ConcentrationRiskPercentage1" />
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_ConcentrationRiskPercentage1" xlink:to="us-gaap_ConcentrationRiskPercentage1_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_ConcentrationRiskPercentage1_lbl" xml:lang="en-US">Concentration percentage</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_FluxingSystemsMember" xlink:to="sotk_FluxingSystemsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_FluxingSystemsMember_doc" xml:lang="en-US">Fluxing Systems</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_SalesRevenuePercent" xlink:to="sotk_SalesRevenuePercent_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_SalesRevenuePercent_doc" xml:lang="en-US">Percent of Sales Revenue</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_IntegratedCoatingSystemsMember" xlink:to="sotk_IntegratedCoatingSystemsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_IntegratedCoatingSystemsMember_doc" xml:lang="en-US">Integrated Coating Systems</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_MultiAxisCoatingSystemsMember" xlink:to="sotk_MultiAxisCoatingSystemsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_MultiAxisCoatingSystemsMember_doc" xml:lang="en-US">Multi-Axis Coating Systems</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_OemSystemsMember" xlink:to="sotk_OemSystemsMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_OemSystemsMember_doc" xml:lang="en-US">OEM Systems</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_OtherProductLineMember" xlink:to="sotk_OtherProductLineMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_OtherProductLineMember_doc" xml:lang="en-US">Other Product Line</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_ProductLineMember" xlink:to="sotk_ProductLineMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_ProductLineMember_doc" xml:lang="en-US">Total Product Line</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_StockIncentivePlan2013Member" xlink:to="sotk_StockIncentivePlan2013Member_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_StockIncentivePlan2013Member_doc" xml:lang="en-US">2013 Stock Incentive Plan ("2013 Plan")</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers" xlink:to="sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers_doc" xml:lang="en-US">Amount borrowed under the credit facility being utilized to collateralize letters of credit issued to customers for cash deposits on existing orders during the period.</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_ForeignCustomersMember" xlink:to="sotk_ForeignCustomersMember_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_ForeignCustomersMember_doc" xml:lang="en-US">Foreign Customers</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_OptionsExercisedNetCashlessBasis" xlink:to="sotk_OptionsExercisedNetCashlessBasis_doc" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/documentation" xlink:label="sotk_OptionsExercisedNetCashlessBasis_doc" xml:lang="en-US">Number of share options exercised on a net cashless basis during the current period.</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_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 [Default Label]</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_OperatingIncomeLoss" xlink:to="us-gaap_OperatingIncomeLoss_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_OperatingIncomeLoss_2_lbl" xml:lang="en-US">Operating Income (Loss)</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_StockOptionPlanExpense" xlink:to="us-gaap_StockOptionPlanExpense_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_StockOptionPlanExpense_2_lbl" xml:lang="en-US">Stock or Unit Option Plan Expense</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="sotk_PaycheckProtectionProgramLoanForgiveness" xlink:to="sotk_PaycheckProtectionProgramLoanForgiveness_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="sotk_PaycheckProtectionProgramLoanForgiveness_2_lbl" xml:lang="en-US">PaycheckProtectionProgramLoanForgiveness</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_IncreaseDecreaseInContractWithCustomerLiability" xlink:to="us-gaap_IncreaseDecreaseInContractWithCustomerLiability_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInContractWithCustomerLiability_2_lbl" xml:lang="en-US">Increase (Decrease) in Contract with Customer, Liability</link:label>
      <link:labelArc xlink:arcrole="http://www.xbrl.org/2003/arcrole/concept-label" xlink:from="us-gaap_IncreaseDecreaseInAccruedTaxesPayable" xlink:to="us-gaap_IncreaseDecreaseInAccruedTaxesPayable_2_lbl" xlink:type="arc" />
      <link:label xlink:type="resource" xlink:role="http://www.xbrl.org/2003/role/label" xlink:label="us-gaap_IncreaseDecreaseInAccruedTaxesPayable_2_lbl" xml:lang="en-US">Increase (Decrease) in Accrued Taxes Payable</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="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_3_lbl" xlink:type="arc" />
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<DOCUMENT>
<TYPE>EX-101.PRE
<SEQUENCE>11
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738367472">
<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>Nov. 30, 2022</div></th>
<th class="th"><div>Jan. 13, 2023</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="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>
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</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_AmendmentFlag', window );">Amendment Flag</a></td>
<td class="text">false<span></span>
</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="Show.showAR( this, 'defref_dei_DocumentQuarterlyReport', window );">Document Quarterly Report</a></td>
<td class="text">true<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="Show.showAR( this, 'defref_dei_DocumentTransitionReport', window );">Document Transition Report</a></td>
<td class="text">false<span></span>
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<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="Show.showAR( this, 'defref_dei_DocumentPeriodEndDate', window );">Document Period End Date</a></td>
<td class="text">Nov. 30,  2022<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="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="Show.showAR( this, 'defref_dei_DocumentFiscalYearFocus', window );">Document Fiscal Year Focus</a></td>
<td class="text">2023<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="Show.showAR( this, 'defref_dei_CurrentFiscalYearEndDate', window );">Current Fiscal Year End Date</a></td>
<td class="text">--02-28<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="Show.showAR( this, 'defref_dei_EntityFileNumber', window );">Entity File Number</a></td>
<td class="text">000-16035<span></span>
</td>
<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="Show.showAR( this, 'defref_dei_EntityRegistrantName', window );">Entity Registrant Name</a></td>
<td class="text">SONO TEK CORP<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="Show.showAR( this, 'defref_dei_EntityCentralIndexKey', window );">Entity Central Index Key</a></td>
<td class="text">0000806172<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_dei_EntityTaxIdentificationNumber', window );">Entity Tax Identification Number</a></td>
<td class="text">14-1568099<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="Show.showAR( this, 'defref_dei_EntityIncorporationStateCountryCode', window );">Entity Incorporation, State or Country Code</a></td>
<td class="text">NY<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="Show.showAR( this, 'defref_dei_EntityAddressAddressLine1', window );">Entity Address, Address Line One</a></td>
<td class="text">2012 Rt. 9W<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="Show.showAR( this, 'defref_dei_EntityAddressCityOrTown', window );">Entity Address, City or Town</a></td>
<td class="text">Milton<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_dei_EntityAddressStateOrProvince', window );">Entity Address, State or Province</a></td>
<td class="text">NY<span></span>
</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="Show.showAR( this, 'defref_dei_EntityAddressPostalZipCode', window );">Entity Address, Postal Zip Code</a></td>
<td class="text">12547<span></span>
</td>
<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="Show.showAR( this, 'defref_dei_CityAreaCode', window );">City Area Code</a></td>
<td class="text">(845)<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="Show.showAR( this, 'defref_dei_LocalPhoneNumber', window );">Local Phone Number</a></td>
<td class="text">795-2020<span></span>
</td>
<td class="text">&#160;<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="Show.showAR( this, 'defref_dei_Security12bTitle', window );">Title of 12(b) Security</a></td>
<td class="text">Common Stock, $0.01 par value per share<span></span>
</td>
<td class="text">&#160;<span></span>
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</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_TradingSymbol', window );">Trading Symbol</a></td>
<td class="text">SOTK<span></span>
</td>
<td class="text">&#160;<span></span>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_dei_EntityCommonStockSharesOutstanding', window );">Entity Common Stock, Shares Outstanding</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">15,742,074<span></span>
</td>
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<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="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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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<td>xbrli:booleanItemType</td>
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<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Area code of city</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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>
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<td>duration</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Cover page.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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>
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<td>dei_</td>
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<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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_EntityAddressCityOrTown">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the City or Town</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Code for the postal or zip code</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Name of the state or province.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Indicate if registrant meets the emerging growth company criteria.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/presentationRef<br> -Publisher SEC<br> -Name Exchange Act<br> -Number 240<br> -Section 12<br> -Subsection b-2<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Local phone number for entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Title of a 12(b) registered security.</p></div>
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ 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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ 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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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738185072">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Condensec Consolidated Balance Sheets - USD ($)<br></strong></div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Feb. 28, 2022</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AssetsCurrentAbstract', window );"><strong>Current Assets:</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="Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAtCarryingValue', window );">Cash and cash equivalents</a></td>
<td class="nump">$ 3,176,037<span></span>
</td>
<td class="nump">$ 4,840,558<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesCurrent', window );">Marketable securities</a></td>
<td class="nump">8,073,293<span></span>
</td>
<td class="nump">5,867,990<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccountsReceivableNetCurrent', window );">Accounts receivable (less allowance of $56,123)</a></td>
<td class="nump">1,441,196<span></span>
</td>
<td class="nump">1,092,505<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryGross', window );">Inventories</a></td>
<td class="nump">3,260,411<span></span>
</td>
<td class="nump">2,373,242<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PrepaidExpenseAndOtherAssetsCurrent', window );">Prepaid expenses and other current assets</a></td>
<td class="nump">150,631<span></span>
</td>
<td class="nump">323,304<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AssetsCurrent', window );">Total current assets</a></td>
<td class="nump">16,101,568<span></span>
</td>
<td class="nump">14,497,599<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Land', window );">Land</a></td>
<td class="nump">250,000<span></span>
</td>
<td class="nump">250,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_BuildingsAndImprovementsNet', window );">Buildings, net</a></td>
<td class="nump">1,579,688<span></span>
</td>
<td class="nump">1,621,878<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_EquipmentFurnishingsAndBuildingImprovementsNet', window );">Equipment, furnishings and building improvements, net</a></td>
<td class="nump">1,042,927<span></span>
</td>
<td class="nump">939,306<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IntangibleAssetsNetExcludingGoodwill', window );">Intangible assets, net</a></td>
<td class="nump">61,867<span></span>
</td>
<td class="nump">76,015<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxAssetsNet', window );">Deferred tax asset</a></td>
<td class="nump">447,894<span></span>
</td>
<td class="nump">240,736<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Assets', window );">TOTAL ASSETS</a></td>
<td class="nump">19,483,944<span></span>
</td>
<td class="nump">17,625,534<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccountsPayableCurrent', window );">Accounts payable</a></td>
<td class="nump">1,152,679<span></span>
</td>
<td class="nump">684,511<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccruedLiabilitiesCurrent', window );">Accrued expenses</a></td>
<td class="nump">1,693,311<span></span>
</td>
<td class="nump">1,804,028<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ContractWithCustomerLiabilityCurrent', window );">Customer deposits</a></td>
<td class="nump">1,748,648<span></span>
</td>
<td class="nump">1,167,968<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccruedIncomeTaxesCurrent', window );">Income taxes payable</a></td>
<td class="nump">204,361<span></span>
</td>
<td class="nump">58,874<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LiabilitiesCurrent', window );">Total current liabilities</a></td>
<td class="nump">4,798,999<span></span>
</td>
<td class="nump">3,715,381<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxLiabilitiesNet', window );">Deferred tax liability</a></td>
<td class="nump">197,716<span></span>
</td>
<td class="nump">168,840<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Liabilities', window );">Total liabilities</a></td>
<td class="nump">4,996,715<span></span>
</td>
<td class="nump">3,884,221<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_CommonStockValue', window );">Common stock, $.01 par value; 25,000,000 shares authorized, 15,742,073 and 15,729,175 shares issued and outstanding, respectively</a></td>
<td class="nump">157,421<span></span>
</td>
<td class="nump">157,292<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AdditionalPaidInCapital', window );">Additional paid-in capital</a></td>
<td class="nump">9,483,417<span></span>
</td>
<td class="nump">9,310,287<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RetainedEarningsAccumulatedDeficit', window );">Accumulated earnings</a></td>
<td class="nump">4,846,391<span></span>
</td>
<td class="nump">4,273,734<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Total stockholders&#8217; equity</a></td>
<td class="nump">$ 14,487,229<span></span>
</td>
<td class="nump">$ 13,741,313<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_sotk_BuildingsAndImprovementsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">sotk_BuildingsAndImprovementsNet</td>
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<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>sotk_</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_sotk_EquipmentFurnishingsAndBuildingImprovementsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">sotk_EquipmentFurnishingsAndBuildingImprovementsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>sotk_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsPayableCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(a))<br> -URI https://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 https://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccountsPayableCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AccountsReceivableNetCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 310<br> -SubTopic 10<br> -Section 45<br> -Paragraph 9<br> -URI https://asc.fasb.org/extlink&amp;oid=124259787&amp;loc=d3e4531-111522<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126734703&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 https://asc.fasb.org/extlink&amp;oid=126897435&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 https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_AccruedLiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.20)<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccruedLiabilitiesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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(30)(a)(1))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126897435&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 https://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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-SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(B))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&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 https://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 https://asc.fasb.org/extlink&amp;oid=126975872&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 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 32<br> -Subparagraph (d)<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e8933-108599<br><br>Reference 20: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 810<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<br><br>Reference 21: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iv))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&amp;loc=SL124442552-122756<br><br>Reference 22: 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(18))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 23: 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 https://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 24: 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 https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e8906-108599<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 45<br> -Paragraph 1<br> -URI https://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 https://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 https://asc.fasb.org/extlink&amp;oid=124433192&amp;loc=SL2890621-112765<br><br>Reference 4: 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FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iv))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&amp;loc=SL124442552-122756<br><br>Reference 11: 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 https://asc.fasb.org/extlink&amp;oid=116870748&amp;loc=SL6758485-165988<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(4)(iii)(B))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&amp;loc=SL124442552-122756<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 323<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI https://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<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)(ii))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&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 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(5))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&amp;loc=SL124442552-122756<br><br>Reference 16: 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 https://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=d3e5710-111685<br><br>Reference 17: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iv))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&amp;loc=SL124442526-122756<br><br>Reference 18: 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(9))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 19: 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 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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_CashAndCashEquivalentsAtCarryingValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3044-108585<br><br>Reference 2: 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 (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 3: 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(1))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_CommonStockValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://asc.fasb.org/extlink&amp;oid=126919976&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 https://asc.fasb.org/extlink&amp;oid=126919976&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 https://asc.fasb.org/extlink&amp;oid=126920106&amp;loc=SL49130549-203045<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_DeferredIncomeTaxAssetsNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, with jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI https://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31931-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI https://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31917-109318<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxAssetsNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DeferredIncomeTaxLiabilitiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, after deferred tax asset, of deferred tax liability attributable to taxable differences with jurisdictional netting.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -URI https://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31931-109318<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 45<br> -Paragraph 4<br> -URI https://asc.fasb.org/extlink&amp;oid=123427490&amp;loc=d3e31917-109318<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxLiabilitiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IntangibleAssetsNetExcludingGoodwill">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Sum of the carrying amounts of all intangible assets, excluding goodwill, as of the balance sheet date, net of accumulated amortization and impairment charges.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 50<br> -Paragraph 2<br> -Subparagraph ((a)(1),(b))<br> -URI https://asc.fasb.org/extlink&amp;oid=66006027&amp;loc=d3e16323-109275<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 350<br> -SubTopic 30<br> -Section 45<br> -Paragraph 1<br> -URI https://asc.fasb.org/extlink&amp;oid=6388964&amp;loc=d3e16212-109274<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IntangibleAssetsNetExcludingGoodwill</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_InventoryGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Gross 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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_Land">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(13))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Land</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://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 https://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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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 https://asc.fasb.org/extlink&amp;oid=126975872&amp;loc=SL124442552-122756<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)(iv))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&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 810<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -Subparagraph (c)<br> -URI https://asc.fasb.org/extlink&amp;oid=123419778&amp;loc=d3e5710-111685<br><br>Reference 13: 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 https://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br><br>Reference 14: 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 https://asc.fasb.org/extlink&amp;oid=126975872&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 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iii)(A))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&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="Show.toggleNext( this );">+ Details</a><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_LiabilitiesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 https://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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<a href="javascript:void(0);" onclick="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_LiabilitiesCurrentAbstract">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of investment in marketable security, classified as current.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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><strong> Balance Type:</strong></td>
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<td><strong> Period Type:</strong></td>
<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(9))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<td>us-gaap_</td>
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<td><strong> Balance Type:</strong></td>
<td>debit</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_RetainedEarningsAccumulatedDeficit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The cumulative amount of the reporting entity's undistributed earnings or deficit.</p></div>
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<a href="javascript:void(0);" onclick="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_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 https://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 https://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 https://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 https://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 https://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 https://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 https://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquity</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
<td>credit</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738285536">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Condensec Consolidated Balance Sheets (Parenthetical) - USD ($)<br></strong></div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Feb. 28, 2022</div></th>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StatementOfFinancialPositionAbstract', window );"><strong>Statement of Financial Position [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent', window );">Allowance for doubtful receivables</a></td>
<td class="nump">$ 56,123<span></span>
</td>
<td class="nump">$ 56,123<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockParOrStatedValuePerShare', window );">Common stock, par value</a></td>
<td class="nump">$ 0.01<span></span>
</td>
<td class="nump">$ 0.01<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesAuthorized', window );">Common stock shares authorized</a></td>
<td class="nump">25,000,000<span></span>
</td>
<td class="nump">25,000,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesIssued', window );">Common stock, shares issued</a></td>
<td class="nump">15,742,073<span></span>
</td>
<td class="nump">15,729,175<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CommonStockSharesOutstanding', window );">Common stock, shares outstanding</a></td>
<td class="nump">15,742,073<span></span>
</td>
<td class="nump">15,729,175<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_AllowanceForDoubtfulOtherReceivablesCurrent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of allowance for credit loss on receivable, classified as other and current.</p></div>
<a href="javascript:void(0);" onclick="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(3)(a)(4))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AllowanceForDoubtfulOtherReceivablesCurrent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CommonStockParOrStatedValuePerShare">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126973232&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 https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_StatementOfFinancialPositionAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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</body>
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<head>
<title></title>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738073792">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Condensed Consolidated Statements of Income - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeStatementAbstract', window );"><strong>Income Statement [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Revenues', window );">Net Sales</a></td>
<td class="nump">$ 3,586,165<span></span>
</td>
<td class="nump">$ 4,419,401<span></span>
</td>
<td class="nump">$ 11,401,029<span></span>
</td>
<td class="nump">$ 12,134,336<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CostOfRevenue', window );">Cost of Goods Sold</a></td>
<td class="nump">1,761,797<span></span>
</td>
<td class="nump">2,260,874<span></span>
</td>
<td class="nump">5,574,035<span></span>
</td>
<td class="nump">6,077,645<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_GrossProfit', window );">Gross Profit</a></td>
<td class="nump">1,824,368<span></span>
</td>
<td class="nump">2,158,527<span></span>
</td>
<td class="nump">5,826,994<span></span>
</td>
<td class="nump">6,056,691<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ResearchAndDevelopmentExpense', window );">Research and product development costs</a></td>
<td class="nump">520,187<span></span>
</td>
<td class="nump">417,300<span></span>
</td>
<td class="nump">1,543,310<span></span>
</td>
<td class="nump">1,243,513<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SellingAndMarketingExpense', window );">Marketing and selling expenses</a></td>
<td class="nump">792,710<span></span>
</td>
<td class="nump">845,362<span></span>
</td>
<td class="nump">2,359,430<span></span>
</td>
<td class="nump">2,349,607<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_GeneralAndAdministrativeExpense', window );">General and administrative costs</a></td>
<td class="nump">407,990<span></span>
</td>
<td class="nump">405,280<span></span>
</td>
<td class="nump">1,262,670<span></span>
</td>
<td class="nump">1,181,502<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OperatingExpenses', window );">Total Operating Expenses</a></td>
<td class="nump">1,720,887<span></span>
</td>
<td class="nump">1,667,942<span></span>
</td>
<td class="nump">5,165,410<span></span>
</td>
<td class="nump">4,774,622<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_OperatingIncomeLoss', window );">Operating Income</a></td>
<td class="nump">103,481<span></span>
</td>
<td class="nump">490,585<span></span>
</td>
<td class="nump">661,584<span></span>
</td>
<td class="nump">1,282,069<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InvestmentIncomeInterestAndDividend', window );">Interest and Dividend Income</a></td>
<td class="nump">38,803<span></span>
</td>
<td class="nump">2,367<span></span>
</td>
<td class="nump">64,725<span></span>
</td>
<td class="nump">13,367<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesUnrealizedGainLoss', window );">Net unrealized loss on marketable securities</a></td>
<td class="num">(9,231)<span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="num">(40,256)<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_GainOnPayrollProtectionProgramLoanForgiveness', window );">Paycheck Protection Program Loan Forgiveness</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
<td class="nump">1,005,372<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic', window );">Income Before Income Taxes</a></td>
<td class="nump">133,053<span></span>
</td>
<td class="nump">492,952<span></span>
</td>
<td class="nump">686,053<span></span>
</td>
<td class="nump">2,300,808<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxExpenseBenefit', window );">&#160;Income Tax Expense</a></td>
<td class="nump">28,155<span></span>
</td>
<td class="nump">116,783<span></span>
</td>
<td class="nump">113,396<span></span>
</td>
<td class="nump">314,063<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net Income</a></td>
<td class="nump">$ 104,898<span></span>
</td>
<td class="nump">$ 376,169<span></span>
</td>
<td class="nump">$ 572,657<span></span>
</td>
<td class="nump">$ 1,986,745<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Basic Earnings Per Share</a></td>
<td class="nump">$ 0.01<span></span>
</td>
<td class="nump">$ 0.02<span></span>
</td>
<td class="nump">$ 0.04<span></span>
</td>
<td class="nump">$ 0.13<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Diluted Earnings Per Share</a></td>
<td class="nump">$ 0.01<span></span>
</td>
<td class="nump">$ 0.02<span></span>
</td>
<td class="nump">$ 0.04<span></span>
</td>
<td class="nump">$ 0.13<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">&#160;Weighted Average Shares - Basic</a></td>
<td class="nump">15,738,180<span></span>
</td>
<td class="nump">15,622,721<span></span>
</td>
<td class="nump">15,733,284<span></span>
</td>
<td class="nump">15,541,247<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Weighted Average Shares - Diluted</a></td>
<td class="nump">15,773,370<span></span>
</td>
<td class="nump">15,654,936<span></span>
</td>
<td class="nump">15,764,351<span></span>
</td>
<td class="nump">15,572,424<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_sotk_GainOnPayrollProtectionProgramLoanForgiveness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">sotk_GainOnPayrollProtectionProgramLoanForgiveness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>sotk_</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_CostOfRevenue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The aggregate cost of goods produced and sold and services rendered during the reporting period.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CostOfRevenue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_EarningsPerShareBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://asc.fasb.org/extlink&amp;oid=126732423&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 https://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 https://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 4: 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-SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(25))<br> -URI https://asc.fasb.org/extlink&amp;oid=126953954&amp;loc=SL114868664-224227<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=d3e1252-109256<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=SL5780133-109256<br><br>Reference 17: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(27))<br> -URI https://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 52<br> -URI https://asc.fasb.org/extlink&amp;oid=128363288&amp;loc=d3e4984-109258<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 7<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22644-107794<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 55<br> -Paragraph 15<br> -URI https://asc.fasb.org/extlink&amp;oid=128363288&amp;loc=d3e3842-109258<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=d3e1252-109256<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI https://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22595-107794<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 3<br> -URI https://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22583-107794<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=SL5780133-109256<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (f)<br> -URI https://asc.fasb.org/extlink&amp;oid=126732423&amp;loc=SL123482106-238011<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(27))<br> -URI https://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br><br>Reference 12: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-04(23))<br> -URI https://asc.fasb.org/extlink&amp;oid=120400993&amp;loc=SL114874131-224263<br><br>Reference 13: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 250<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22694-107794<br><br>Reference 14: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 7<br> -URI https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=d3e1337-109256<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 815<br> -SubTopic 40<br> -Section 65<br> -Paragraph 1<br> -Subparagraph (e)(4)<br> -URI https://asc.fasb.org/extlink&amp;oid=126732423&amp;loc=SL123482106-238011<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 220<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(25))<br> -URI https://asc.fasb.org/extlink&amp;oid=126953954&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_GeneralAndAdministrativeExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The aggregate total of expenses of managing and administering the affairs of an entity, including affiliates of the reporting entity, which are not directly or indirectly associated with the manufacture, sale or creation of a product or product line.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126953954&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_GeneralAndAdministrativeExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_GrossProfit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Aggregate revenue less cost of goods and services sold or operating expenses directly attributable to the revenue generation activity.</p></div>
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10<br> -Section S99<br> -Paragraph 1A<br> -Subparagraph (SX 210.13-01(a)(4)(iii)(A))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&amp;loc=SL124442526-122756<br><br>Reference 14: 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 https://asc.fasb.org/extlink&amp;oid=123596393&amp;loc=d3e14064-108612<br><br>Reference 15: 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 https://asc.fasb.org/extlink&amp;oid=126975872&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 210.13-02(a)(4)(iv))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&amp;loc=SL124442552-122756<br><br>Reference 17: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 470<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1B<br> -Subparagraph (SX 210.13-02(a)(5))<br> -URI https://asc.fasb.org/extlink&amp;oid=126975872&amp;loc=SL124442552-122756<br><br>Reference 18: 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 210.5-03.1,2)<br> -URI https://asc.fasb.org/extlink&amp;oid=126953954&amp;loc=SL114868664-224227<br><br>Reference 19: 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 https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e8933-108599<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The portion of earnings or loss from continuing operations before income taxes that is attributable to domestic operations.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1))<br> -URI https://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.3)<br> -URI https://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeLossFromContinuingOperationsBeforeIncomeTaxesDomestic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 https://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 https://asc.fasb.org/extlink&amp;oid=126901519&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 https://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 https://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 https://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 https://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 https://asc.fasb.org/extlink&amp;oid=124431687&amp;loc=d3e22658-107794<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_InvestmentIncomeInterestAndDividend">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount before accretion (amortization) of purchase discount (premium) of interest income and dividend income on nonoperating securities.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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 210.5-03.7(a),(b))<br> -URI https://asc.fasb.org/extlink&amp;oid=126953954&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InvestmentIncomeInterestAndDividend</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_MarketableSecuritiesUnrealizedGainLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of unrealized gain (loss) on investment in marketable security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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(7)(c))<br> -URI https://asc.fasb.org/extlink&amp;oid=126953954&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MarketableSecuritiesUnrealizedGainLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</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_OperatingIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://asc.fasb.org/extlink&amp;oid=126901519&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 https://asc.fasb.org/extlink&amp;oid=126901519&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 https://asc.fasb.org/extlink&amp;oid=126901519&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 https://asc.fasb.org/extlink&amp;oid=126901519&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 https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e8736-108599<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_OperatingIncomeLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ResearchAndDevelopmentExpense">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The aggregate costs incurred (1) in a planned search or critical investigation aimed at discovery of new knowledge with the hope that such knowledge will be useful in developing a new product or service, a new process or technique, or in bringing about a significant improvement to an existing product or process; or (2) to translate research findings or other knowledge into a plan or design for a new product or process or for a significant improvement to an existing product or process whether intended for sale or the entity's use, during the reporting period charged to research and development projects, including the costs of developing computer software up to the point in time of achieving technological feasibility, and costs allocated in accounting for a business combination to in-process projects deemed to have no alternative future use.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 730<br> -Section 25<br> -Paragraph 1<br> -URI https://asc.fasb.org/extlink&amp;oid=6472174&amp;loc=d3e58812-109433<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 985<br> -SubTopic 20<br> -Section 50<br> -Paragraph 1<br> -URI https://asc.fasb.org/extlink&amp;oid=6501960&amp;loc=d3e128462-111756<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 730<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI https://asc.fasb.org/extlink&amp;oid=6420194&amp;loc=d3e21568-108373<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ResearchAndDevelopmentExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
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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>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The aggregate total amount of expenses directly related to the marketing or selling of products or services.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SellingAndMarketingExpense</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=d3e1505-109256<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839739524656">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Condensed Consolidated Statements of Stockholders' Equity - USD ($)<br></strong></div></th>
<th class="th"><div>Common Stock [Member]</div></th>
<th class="th"><div>Additional Paid-in Capital [Member]</div></th>
<th class="th"><div>Retained Earnings [Member]</div></th>
<th class="th"><div>Total</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Ending balance, Shares</a></td>
<td class="nump">15,452,656<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Beginning balance, value at Feb. 28, 2021</a></td>
<td class="nump">$ 154,527<span></span>
</td>
<td class="nump">$ 9,064,994<span></span>
</td>
<td class="nump">$ 1,731,161<span></span>
</td>
<td class="nump">$ 10,950,682<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Beginning balance, Shares at Feb. 28, 2021</a></td>
<td class="nump">15,452,656<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock based compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">21,637<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">21,637<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">1,266,752<span></span>
</td>
<td class="nump">1,266,752<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised', window );">Cashless exercise of stock options</a></td>
<td class="nump">$ 499<span></span>
</td>
<td class="num">(499)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions', window );">Cashless exercise of stock options, Shares</a></td>
<td class="nump">49,901<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Ending balance, value at May. 31, 2021</a></td>
<td class="nump">$ 155,026<span></span>
</td>
<td class="nump">9,086,132<span></span>
</td>
<td class="nump">2,997,913<span></span>
</td>
<td class="nump">12,239,071<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Beginning balance, value at Feb. 28, 2021</a></td>
<td class="nump">$ 154,527<span></span>
</td>
<td class="nump">9,064,994<span></span>
</td>
<td class="nump">1,731,161<span></span>
</td>
<td class="nump">10,950,682<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Beginning balance, Shares at Feb. 28, 2021</a></td>
<td class="nump">15,452,656<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_ProceedsFromStockOptionsExercised', window );">Proceeds from exercise of stock options</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,775<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Ending balance, value at Nov. 30, 2021</a></td>
<td class="nump">$ 156,997<span></span>
</td>
<td class="nump">9,163,979<span></span>
</td>
<td class="nump">3,717,906<span></span>
</td>
<td class="nump">13,038,882<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Ending balance, Shares</a></td>
<td class="nump">15,502,557<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Beginning balance, value at May. 31, 2021</a></td>
<td class="nump">$ 155,026<span></span>
</td>
<td class="nump">9,086,132<span></span>
</td>
<td class="nump">2,997,913<span></span>
</td>
<td class="nump">12,239,071<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Beginning balance, Shares at May. 31, 2021</a></td>
<td class="nump">15,502,557<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock based compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,080<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">19,080<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">343,824<span></span>
</td>
<td class="nump">343,824<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised', window );">Cashless exercise of stock options</a></td>
<td class="nump">$ 287<span></span>
</td>
<td class="num">(287)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions', window );">Cashless exercise of stock options, Shares</a></td>
<td class="nump">28,728<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Ending balance, value at Aug. 31, 2021</a></td>
<td class="nump">$ 155,313<span></span>
</td>
<td class="nump">9,104,925<span></span>
</td>
<td class="nump">3,341,737<span></span>
</td>
<td class="nump">12,601,975<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Ending balance, Shares</a></td>
<td class="nump">15,531,285<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Beginning balance, Shares at Aug. 31, 2021</a></td>
<td class="nump">15,531,285<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock based compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">51,963<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">51,963<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">376,169<span></span>
</td>
<td class="nump">376,169<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised', window );">Cashless exercise of stock options</a></td>
<td class="nump">$ 1,609<span></span>
</td>
<td class="num">(1,609)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions', window );">Cashless exercise of stock options, Shares</a></td>
<td class="nump">160,934<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_ProceedsFromStockOptionsExercised', window );">Proceeds from exercise of stock options</a></td>
<td class="nump">$ 75<span></span>
</td>
<td class="nump">8,700<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">8,775<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Proceeds from exercise of stock options (shares)</a></td>
<td class="nump">7,500<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Ending balance, value at Nov. 30, 2021</a></td>
<td class="nump">$ 156,997<span></span>
</td>
<td class="nump">9,163,979<span></span>
</td>
<td class="nump">3,717,906<span></span>
</td>
<td class="nump">13,038,882<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Ending balance, Shares</a></td>
<td class="nump">15,699,719<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Ending balance, Shares</a></td>
<td class="nump">15,729,175<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Beginning balance, value at Feb. 28, 2022</a></td>
<td class="nump">$ 157,292<span></span>
</td>
<td class="nump">9,310,287<span></span>
</td>
<td class="nump">4,273,734<span></span>
</td>
<td class="nump">13,741,313<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Beginning balance, Shares at Feb. 28, 2022</a></td>
<td class="nump">15,729,175<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock based compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">69,369<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">69,369<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">305,636<span></span>
</td>
<td class="nump">305,636<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Ending balance, value at May. 31, 2022</a></td>
<td class="nump">$ 157,292<span></span>
</td>
<td class="nump">9,379,656<span></span>
</td>
<td class="nump">4,579,370<span></span>
</td>
<td class="nump">14,116,318<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Beginning balance, value at Feb. 28, 2022</a></td>
<td class="nump">$ 157,292<span></span>
</td>
<td class="nump">9,310,287<span></span>
</td>
<td class="nump">4,273,734<span></span>
</td>
<td class="nump">13,741,313<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Beginning balance, Shares at Feb. 28, 2022</a></td>
<td class="nump">15,729,175<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_ProceedsFromStockOptionsExercised', window );">Proceeds from exercise of stock options</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Proceeds from exercise of stock options (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">12,898<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Ending balance, value at Nov. 30, 2022</a></td>
<td class="nump">$ 157,421<span></span>
</td>
<td class="nump">9,483,417<span></span>
</td>
<td class="nump">4,846,391<span></span>
</td>
<td class="nump">$ 14,487,229<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Ending balance, Shares</a></td>
<td class="nump">15,729,175<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Beginning balance, value at May. 31, 2022</a></td>
<td class="nump">$ 157,292<span></span>
</td>
<td class="nump">9,379,656<span></span>
</td>
<td class="nump">4,579,370<span></span>
</td>
<td class="nump">14,116,318<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Beginning balance, Shares at May. 31, 2022</a></td>
<td class="nump">15,729,175<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock based compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">43,032<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">43,032<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">162,123<span></span>
</td>
<td class="nump">162,123<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised', window );">Cashless exercise of stock options</a></td>
<td class="nump">$ 56<span></span>
</td>
<td class="num">(56)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions', window );">Cashless exercise of stock options, Shares</a></td>
<td class="nump">5,553<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Ending balance, value at Aug. 31, 2022</a></td>
<td class="nump">$ 157,348<span></span>
</td>
<td class="nump">9,422,632<span></span>
</td>
<td class="nump">4,741,493<span></span>
</td>
<td class="nump">14,321,473<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Ending balance, Shares</a></td>
<td class="nump">15,734,728<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Beginning balance, Shares at Aug. 31, 2022</a></td>
<td class="nump">15,734,728<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue', window );">Stock based compensation expense</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,858<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">60,858<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetIncomeLoss', window );">Net income</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">104,898<span></span>
</td>
<td class="nump">104,898<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised', window );">Cashless exercise of stock options</a></td>
<td class="nump">$ 73<span></span>
</td>
<td class="num">(73)<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions', window );">Cashless exercise of stock options, Shares</a></td>
<td class="nump">7,345<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Proceeds from exercise of stock options (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">7,345<span></span>
</td>
</tr>
<tr class="rc">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockholdersEquity', window );">Ending balance, value at Nov. 30, 2022</a></td>
<td class="nump">$ 157,421<span></span>
</td>
<td class="nump">$ 9,483,417<span></span>
</td>
<td class="nump">$ 4,846,391<span></span>
</td>
<td class="nump">$ 14,487,229<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharesOutstanding', window );">Ending balance, Shares</a></td>
<td class="nump">15,742,073<span></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_sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">sotk_StockIssuedDuringPeriodSharesCashlessExerciseStockOptions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>sotk_</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_AdjustmentsToAdditionalPaidInCapitalSharebasedCompensationRequisiteServicePeriodRecognitionValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126964447&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 20<br> -Section 55<br> -Paragraph 13<br> -URI https://asc.fasb.org/extlink&amp;oid=126964447&amp;loc=d3e11178-113907<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 35<br> -Paragraph 2<br> -URI https://asc.fasb.org/extlink&amp;oid=126961718&amp;loc=d3e4534-113899<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_NetIncomeLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://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 https://asc.fasb.org/extlink&amp;oid=126901519&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="Show.toggleNext( this );">+ Details</a><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_ProceedsFromStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from exercise of option under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2A<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=SL79508275-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of shares issued which are neither cancelled nor held in the treasury.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharesOutstanding</td>
</tr>
<tr>
<td style="padding-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_StockIssuedDuringPeriodSharesStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(02)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&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 https://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 https://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 https://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 https://asc.fasb.org/extlink&amp;oid=126973232&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Value of stock issued as a result of the exercise of stock options.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126973232&amp;loc=d3e21463-112644<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 505<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.3-04)<br> -URI https://asc.fasb.org/extlink&amp;oid=120397183&amp;loc=d3e187085-122770<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.29-31)<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockIssuedDuringPeriodValueStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</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_StockholdersEquity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 https://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 https://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 https://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 https://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 https://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 https://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 https://asc.fasb.org/extlink&amp;oid=114001798&amp;loc=d3e33918-111571<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StockholdersEquity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738803280">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Condensed Consolidated Statements of Cash Flows - USD ($)<br></strong></div></th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>CASH FLOWS FROM OPERATING ACTIVITIES:</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Net Income</a></td>
<td class="nump">$ 572,657<span></span>
</td>
<td class="nump">$ 1,986,745<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract', window );"><strong>Adjustments to reconcile net income&#160;to net cash provided by 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="Show.showAR( this, 'defref_us-gaap_DepreciationDepletionAndAmortization', window );">Depreciation and amortization</a></td>
<td class="nump">366,238<span></span>
</td>
<td class="nump">333,729<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockOptionPlanExpense', window );">Stock based compensation expense</a></td>
<td class="nump">173,259<span></span>
</td>
<td class="nump">92,680<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryLIFOReservePeriodCharge', window );">Inventory reserve</a></td>
<td class="num">(14,854)<span></span>
</td>
<td class="num">(3,919)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_PaycheckProtectionProgramLoanForgiveness', window );">Paycheck Protection Program Loan Forgiveness</a></td>
<td class="text"> <span></span>
</td>
<td class="num">(1,005,372)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesUnrealizedGainLoss', window );">Unrealized loss on marketable securities</a></td>
<td class="nump">40,256<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="Show.showAR( this, 'defref_us-gaap_DeferredIncomeTaxExpenseBenefit', window );">Deferred tax expense</a></td>
<td class="num">(178,281)<span></span>
</td>
<td class="nump">23,718<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract', window );"><strong>(Decrease) Increase in:</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="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsReceivable', window );">Accounts receivable</a></td>
<td class="num">(348,693)<span></span>
</td>
<td class="nump">194,342<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInInventories', window );">Inventories</a></td>
<td class="num">(872,315)<span></span>
</td>
<td class="num">(184,738)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets', window );">Prepaid expenses and other current assets</a></td>
<td class="nump">172,673<span></span>
</td>
<td class="nump">11,460<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccountsPayableAndAccruedLiabilities', window );">Accounts payable and accrued expenses</a></td>
<td class="nump">357,451<span></span>
</td>
<td class="num">(431,934)<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInContractWithCustomerLiability', window );">Customer deposits</a></td>
<td class="nump">580,680<span></span>
</td>
<td class="nump">729,130<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncreaseDecreaseInAccruedTaxesPayable', window );">Income taxes payable</a></td>
<td class="nump">145,487<span></span>
</td>
<td class="nump">66,400<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInOperatingActivities', window );">Net Cash Provided by Operating Activities</a></td>
<td class="nump">994,558<span></span>
</td>
<td class="nump">1,812,241<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CashFlowInvestingActivitiesLesseeAbstract', window );"><strong>CASH FLOWS FROM INVESTING 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="Show.showAR( this, 'defref_us-gaap_PaymentsToAcquirePropertyPlantAndEquipment', window );">Purchase of equipment, furnishings and leasehold improvements</a></td>
<td class="num">(413,521)<span></span>
</td>
<td class="num">(284,798)<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_PurchaseSaleOfMarketableSecuritiesNet', window );">(Purchase) Sale of marketable securities - net</a></td>
<td class="num">(2,245,558)<span></span>
</td>
<td class="nump">1,213,508<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInInvestingActivities', window );">Net Cash (Used in) Provided by Investing Activities</a></td>
<td class="num">(2,659,079)<span></span>
</td>
<td class="nump">928,710<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivitiesAbstract', window );"><strong>CASH FLOWS FROM 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="Show.showAR( this, 'defref_us-gaap_ProceedsFromStockOptionsExercised', window );">Proceeds from exercise of stock options</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">8,775<span></span>
</td>
</tr>
<tr class="rou">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NetCashProvidedByUsedInFinancingActivities', window );">Net Cash Provided by Financing Activities</a></td>
<td class="text"> <span></span>
</td>
<td class="nump">8,775<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect', window );">NET (DECREASE) INCREASE IN CASH AND CASH EQUIVALENTS</a></td>
<td class="num">(1,664,521)<span></span>
</td>
<td class="nump">2,749,726<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CashAndCashEquivalentsAbstract', window );"><strong>CASH AND CASH EQUIVALENTS</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="Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">Beginning of period</a></td>
<td class="nump">4,840,558<span></span>
</td>
<td class="nump">4,084,078<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents', window );">End of period</a></td>
<td class="nump">3,176,037<span></span>
</td>
<td class="nump">6,833,804<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SupplementalCashFlowInformationAbstract', window );"><strong>SUPPLEMENTAL CASH FLOW DISCLOSURE:</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="Show.showAR( this, 'defref_us-gaap_InterestPaidNet', window );">Interest paid</a></td>
<td class="text"> <span></span>
</td>
<td class="text"> <span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxesPaidNet', window );">Income Taxes Paid</a></td>
<td class="nump">$ 159,490<span></span>
</td>
<td class="nump">$ 224,002<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_sotk_PaycheckProtectionProgramLoanForgiveness">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">sotk_PaycheckProtectionProgramLoanForgiveness</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>sotk_</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_sotk_PurchaseSaleOfMarketableSecuritiesNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">sotk_PurchaseSaleOfMarketableSecuritiesNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>sotk_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AdjustmentsToReconcileNetIncomeLossToCashProvidedByUsedInOperatingActivitiesAbstract</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashAndCashEquivalentsAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashAndCashEquivalentsAbstract</td>
</tr>
<tr>
<td style="padding-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>
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<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalents">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126954810&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 https://asc.fasb.org/extlink&amp;oid=126954810&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 https://asc.fasb.org/extlink&amp;oid=126999549&amp;loc=SL98516268-108586<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in cash, cash equivalents, and cash and cash equivalents restricted to withdrawal or usage; including effect from exchange rate change. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits. Cash equivalents include, but are not limited to, short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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 https://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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashCashEquivalentsRestrictedCashAndRestrictedCashEquivalentsPeriodIncreaseDecreaseIncludingExchangeRateEffect</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CashFlowInvestingActivitiesLesseeAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CashFlowInvestingActivitiesLesseeAbstract</td>
</tr>
<tr>
<td style="padding-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_DeferredIncomeTaxExpenseBenefit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of deferred income tax expense (benefit) pertaining to income (loss) from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.7)<br> -URI https://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.1)<br> -URI https://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 3: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.4-08(h)(1)(Note 1))<br> -URI https://asc.fasb.org/extlink&amp;oid=120395691&amp;loc=d3e23780-122690<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 6.I.Fact.2)<br> -URI https://asc.fasb.org/extlink&amp;oid=122134291&amp;loc=d3e330036-122817<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 740<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -Subparagraph (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=121826272&amp;loc=d3e32639-109319<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_DeferredIncomeTaxExpenseBenefit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_DepreciationDepletionAndAmortization">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://asc.fasb.org/extlink&amp;oid=126901519&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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_IncomeTaxesPaidNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The amount of cash paid during the current period to foreign, federal, state, and local authorities as taxes on income, net of any cash received during the current period as refunds for the overpayment of taxes.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI https://asc.fasb.org/extlink&amp;oid=126999549&amp;loc=d3e4297-108586<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncomeTaxesPaidNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_IncreaseDecreaseInAccruedTaxesPayable">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The increase (decrease) during the reporting period of all taxes owed but not paid, including income, property and other taxes.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInAccruedTaxesPayable</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_IncreaseDecreaseInContractWithCustomerLiability">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of increase (decrease) in obligation to transfer good or service to customer for which consideration has been received or is receivable.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 28<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 912<br> -SubTopic 310<br> -Section 45<br> -Paragraph 11<br> -Subparagraph (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=126938201&amp;loc=d3e55415-109406<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInContractWithCustomerLiability</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_IncreaseDecreaseInInventories">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_IncreaseDecreaseInOperatingLiabilitiesAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInOperatingLiabilitiesAbstract</td>
</tr>
<tr>
<td style="padding-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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_IncreaseDecreaseInPrepaidDeferredExpenseAndOtherAssets</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InterestPaidNet">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash paid for interest, excluding capitalized interest, classified as operating activity. Includes, but is not limited to, payment to settle zero-coupon bond for accreted interest of debt discount and debt instrument with insignificant coupon interest rate in relation to effective interest rate of borrowing attributable to accreted interest of debt discount.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -URI https://asc.fasb.org/extlink&amp;oid=126999549&amp;loc=d3e4297-108586<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 17<br> -Subparagraph (d)<br> -URI https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3367-108585<br><br>Reference 3: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 25<br> -Subparagraph (e)<br> -URI https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3536-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InterestPaidNet</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryLIFOReservePeriodCharge">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>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, which change has been reflected in the statement of income during the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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 1<br> -Subparagraph (SAB Topic 5.L)<br> -URI https://asc.fasb.org/extlink&amp;oid=27011343&amp;loc=d3e99989-122729<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryLIFOReservePeriodCharge</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_MarketableSecuritiesUnrealizedGainLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of unrealized gain (loss) on investment in marketable security.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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(7)(c))<br> -URI https://asc.fasb.org/extlink&amp;oid=126953954&amp;loc=SL114868664-224227<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_MarketableSecuritiesUnrealizedGainLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_NetCashProvidedByUsedInFinancingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3521-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_NetCashProvidedByUsedInOperatingActivities">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126954810&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 https://asc.fasb.org/extlink&amp;oid=126954810&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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_PaymentsToAcquirePropertyPlantAndEquipment">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3213-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_ProceedsFromStockOptionsExercised">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cash inflow from exercise of option under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2A<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=SL79508275-113901<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 230<br> -SubTopic 10<br> -Section 45<br> -Paragraph 14<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3255-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProceedsFromStockOptionsExercised</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense for option under share-based payment arrangement.</p></div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839743204912">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>BUSINESS DESCRIPTION<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [Abstract]</strong></a></td>
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<td class="text"><p id="xdx_807_eus-gaap--BusinessDescriptionAndBasisOfPresentationTextBlock_zt4wN4JjwV06" style="font: 10pt Cambria,serif; margin: 0 0 0 0.5in; text-align: justify; text-indent: -0.5in"><b>NOTE 1: <span id="xdx_824_zOsYu1CC409a">BUSINESS DESCRIPTION</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">Sono-Tek Corporation (the &#8220;Company&#8221;, &#8220;Sono-Tek&#8221;, &#8220;We&#8221;
or &#8220;Our&#8221;) was incorporated in New York on March 21, 1975. We are the world leader in the design and manufacture of ultrasonic
coating systems for applying precise, thin film coatings to add functional properties, protect or strengthen surfaces on parts and components
for the microelectronics/electronics, alternative energy, medical, industrial and emerging research &amp; development/other markets. We
design and manufacture custom-engineered ultrasonic coating systems incorporating our patented technology, in combination with strong
applications engineering knowledge, to assist our customers in achieving their desired coating solutions.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The accompanying unaudited condensed consolidated financial statements have been prepared
in accordance with accounting principles generally accepted in the United States (&#8220;GAAP&#8221;) for interim financial information
with the instructions for Form 10-Q and Article 8 of Regulation S-X. Accordingly, the unaudited condensed consolidated financial statements
do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of the Company&#8217;s
management, all adjustments considered necessary for a fair presentation (consisting of normal recurring adjustments) have been included.
The results for the interim periods are not necessarily indicative of what the results will be for the fiscal year. The accompanying unaudited
condensed consolidated financial statements should be read in conjunction with the audited Consolidated Financial Statements as of and
for the fiscal year ended February 28, 2022 (&#8220;fiscal year 2022&#8221;) contained in the Company&#8217;s 2022 Annual Report on Form
10-K filed with the SEC on May 24, 2022. The Company&#8217;s current fiscal year ends on February 28, 2023 (&#8220;fiscal 2023&#8221;).</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for the business description and basis of presentation concepts. Business description describes the nature and type of organization including but not limited to organizational structure as may be applicable to holding companies, parent and subsidiary relationships, business divisions, business units, business segments, affiliates and information about significant ownership of the reporting entity. Basis of presentation describes the underlying basis used to prepare the financial statements (for example, US Generally Accepted Accounting Principles, Other Comprehensive Basis of Accounting, IFRS).</p></div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839744700320">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SIGNIFICANT ACCOUNTING POLICIES<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_SignificantAccountingPoliciesTextBlock', window );">SIGNIFICANT ACCOUNTING POLICIES</a></td>
<td class="text"><p id="xdx_808_eus-gaap--SignificantAccountingPoliciesTextBlock_zOGp1Bndb6w" style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"><b>NOTE 2: <span id="xdx_824_zNBCavqGOVhd">SIGNIFICANT ACCOUNTING POLICIES</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p id="xdx_84A_eus-gaap--ConsolidationPolicyTextBlock_z9SYKyAgfP7l" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_86F_zpMjGt2HCfmb">Consolidation</span></i></b> - The accompanying unaudited condensed consolifdated financial
statements of the Company include the accounts of the Company and its wholly owned subsidiary, Sono-Tek Industrial Park, LLC (&#8220;SIP&#8221;)
in conformity with generally accepted accounting principles in the United States (&#8220;GAAP&#8221;). SIP operates as a real estate holding
company for the Company&#8217;s real estate operations. All intercompany accounts and transactions have been eliminated in consolidation.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p id="xdx_84C_eus-gaap--FairValueOfFinancialInstrumentsPolicy_zfrUkDClG951" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_865_zuypEkFerqB4">Fair Value of Financial Instruments</span></i></b> - The Company applies Accounting Standards
Codification (&#8220;ASC&#8221;) 820,&#160;<i>Fair Value Measurement&#160;</i>(&#8220;ASC 820&#8221;), which establishes a framework for
measuring fair value and clarifies the definition of fair value within that framework. ASC 820 defines fair value as an exit price, which
is the price that would be received for an asset or paid to transfer a liability in the Company&#8217;s principal or most advantageous
market in an orderly transaction between market participants on the measurement date. The fair value hierarchy established in ASC 820
generally requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair
value. Observable inputs reflect the assumptions that market participants would use in pricing the asset or liability and are developed
based on market data obtained from sources independent of the reporting entity. Unobservable inputs reflect the entity&#8217;s own assumptions
based on market data and the entity&#8217;s judgments about the assumptions that market participants would use in pricing the asset or
liability and are to be developed based on the best information available in the circumstances.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The carrying amounts of financial instruments reported in the accompanying unaudited condensed
consolidated financial statements for current assets and current liabilities approximate the fair value because of the immediate or short-term
maturities of the financial instruments.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The valuation hierarchy is composed of three levels. The classification within the valuation
hierarchy is based on the lowest level of input that is significant to the fair value measurement. The levels within the valuation hierarchy
are described below:</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Level 1 &#8212; Assets and liabilities with unadjusted, quoted prices listed on active
market exchanges. Inputs to the fair value measurement are observable inputs, such as quoted prices in active markets for identical assets
or liabilities.</p>




<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Level 2 &#8212; Inputs to the fair value measurement are determined using prices for recently
traded assets and liabilities with similar underlying terms, as well as direct or indirect observable inputs, such as interest rates and
yield curves that are observable at commonly quoted intervals.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Level 3 &#8212; Inputs to the fair value measurement are unobservable inputs, such as estimates,
assumptions, and valuation techniques when little or no market data exists for the assets or liabilities.</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white">&#160;</p>

<p id="xdx_89A_eus-gaap--FairValueAssetsMeasuredOnRecurringBasisTextBlock_zJQDaNgDDJs1" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white">The fair values of financial assets of the
Company were determined using the following categories at November 30, 2022 and February 28, 2022, respectively:</p>

<p style="font: 10pt Cambria,serif; margin: 0; background-color: white"><span id="xdx_8BC_zuNIIUpI71D" style="display: none">Schedule of Significant Accounting Policies - Fair values of
financial assets of the Company</span></p>

<table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%">
  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center">Level 1</td><td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center">Level 2</td><td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center">Level 3</td><td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center">Total</td><td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font-size: 10pt">&#160;</td>
    <td colspan="2" style="font-size: 10pt">&#160;</td><td style="font-size: 10pt">&#160;</td><td style="font-size: 10pt">&#160;</td>
    <td colspan="2" style="font-size: 10pt">&#160;</td><td style="font-size: 10pt">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td colspan="2" style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td colspan="2" style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; width: 44%; padding-bottom: 2.5pt">Marketable Securities &#8211; November 30, 2022</td><td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td id="xdx_981_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel1Member_z5Lic8qtRoW6" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities">7,921,225</td><td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td id="xdx_98E_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel2Member_zcc0YSSnowS6" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities">152,068</td><td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td id="xdx_980_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zSLk9jRO2iz4" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"><span style="-sec-ix-hidden: xdx2ixbrl0506">&#8212;</span></td><td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td id="xdx_987_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130_z4yOXBDn9qi4" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities">8,073,293</td><td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">Marketable Securities &#8211; February 28, 2022</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_98C_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel1Member_zPj0YBDRjZSk" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities">5,716,338</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_987_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel2Member_z7dgNQl1obP1" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities">151,652</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_98C_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zwq0MvWqZKf1" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"><span style="-sec-ix-hidden: xdx2ixbrl0514">&#8212;</span></td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_981_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228_z85ZrtbLbath" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities">5,867,990</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
  </table>

<p id="xdx_8A8_zvVSrdt6Je83" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; background-color: white">Marketable Securities include mutual funds, certificates of deposit
and US Treasury securities, totaling $8,073,293 and $5,867,990 that are considered to be highly liquid and easily tradeable as of November
30, 2022 and February 28, 2022, respectively. Mutual funds and US Treasury securities are valued using inputs observable in active markets
for identical securities and are therefore classified as Level&#160;1 and certificates of deposit are classified as Level 2 within the
Company&#8217;s fair value hierarchy.</p>

<p style="font: 10pt Cambria,serif; margin: 0; background-color: white">&#160;</p>

<p id="xdx_844_eus-gaap--IncomeTaxPolicyTextBlock_zBXVVGUHRYJb" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_86B_z8KT6pCb4R2d">Income Taxes</span></i></b> - The Company accounts for income taxes under the asset and
liability method. Under this method, deferred income taxes are recognized for the tax consequences of "temporary differences"
by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts and
the tax basis of existing assets and liabilities. If it is more likely than not that some portion or all of a deferred tax asset will
not be realized, a valuation allowance is recognized. The Company uses a recognition threshold and a measurement attribute for financial
statement recognition and measurement of tax positions taken or expected to be taken in a return. For those benefits to be recognized,
a tax position must be more likely than not to be sustained upon examination by taxing authorities. As of November 30, 2022 and February
28, 2022, there were no accruals for uncertain tax positions.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<p id="xdx_84B_eus-gaap--InventoryPolicyTextBlock_zqPJ1nMDMGwd" style="font: 10pt Cambria,serif; margin: 0"><span style="background-color: white"><b><i><span id="xdx_86C_zyaeEipS77i9">Inventories</span></i></b>&#160;- Inventories are
stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out (FIFO) method for raw materials,
subassemblies and work-in-progress and the specific identification method for finished goods. Management compares the cost of inventory
with the net realizable value and, if applicable, an allowance is made for writing down the inventory to its net realizable value, if
lower than cost. On an ongoing basis, inventory is reviewed for potential write-down for estimated obsolescence or unmarketable inventory
based upon forecasts for future demand and market conditions.</span></p>
<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<p id="xdx_843_eus-gaap--UseOfEstimates_z0xlYph1M9p4" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_862_zjCy7nPg1Oeb">Management Estimates</span></i></b> - The preparation of the unaudited condensed consolidated
financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of
assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial
statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<p id="xdx_848_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zDSue9uOO4ml" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_860_zymvvjPYpDV7">New Accounting Pronouncements</span></i></b> - In June 2016, the FASB issued ASU 2016-13
- Financial Instruments-Credit Losses-Measurement of Credit Losses on Financial Instruments. Codification Improvements to Topic 326, Financial
Instruments &#8211; Credit Losses, have been released in November 2018 (2018-19), November 2019 (2019-10 and 2019-11) and a January 2020
Update (2020-02) that provided additional guidance on this Topic. This guidance replaces the current incurred loss impairment methodology
with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information
to inform credit loss estimates. For SEC filers meeting certain criteria, the amendments in this ASU are effective for fiscal years, and
interim periods within those fiscal years, beginning after December 15, 2019. For SEC filers that meet the criteria of a smaller reporting
company (including this Company) and for non-SEC registrant public companies and other organizations, the amendments in this ASU are effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. Early adoption will be permitted for
all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The Company is currently
in the process of its analysis of the impact of this guidance on its consolidated financial statements and does not expect the adoption
of this guidance to have a material impact on the Company&#8217;s consolidated financial statements.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Other than Accounting Standards Update ASU 2016-13 discussed above, all new accounting
pronouncements issued but not yet effective have been deemed to be not applicable to the Company. Hence, the adoption of these new accounting
pronouncements, once effective, is not expected to have an impact on the Company.</p>




<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<p id="xdx_840_eus-gaap--StandardProductWarrantyPolicy_zoSHzZFjMKpk" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_869_zVLkxmXwxRQa">Product Warranty</span></i></b> - Expected future product warranty expense is recorded when
the product is sold.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p id="xdx_84C_eus-gaap--RevenueRecognitionPolicyTextBlock_zIFO9z1rmKj3" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_869_zUQpvRQWIA62">Revenue Recognition</span></i></b> - The Company recognizes revenue in
accordance with ASC 606, Revenue from Contracts with Customers, the core principle of which is that an entity should recognize
revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the
entity expects to be entitled to receive in exchange for those goods or services. To determine revenue recognition for arrangements
that the Company determines are within the scope of ASC 606, the Company performs the following five steps:</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<table cellpadding="0" cellspacing="0" style="width: 100%; font-size: 10pt">
  <tr style="vertical-align: top">
    <td style="width: 24px">&#160;</td>
    <td style="width: 24px; font-family: Cambria,serif"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font-family: Cambria,serif">Identification of the contract, or contracts, with a customer</td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font-family: Cambria,serif"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font-family: Cambria,serif">Identification of the performance obligations in the contract</td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font-family: Cambria,serif"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font-family: Cambria,serif">Determination of the transaction price</td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font-family: Cambria,serif"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font-family: Cambria,serif">Allocation of the transaction price to the performance obligations in the contract</td></tr>
  <tr style="vertical-align: top">
    <td>&#160;</td>
    <td style="font-family: Cambria,serif"><span style="font-family: Symbol">&#183;</span></td>
    <td style="font-family: Cambria,serif">Recognition of revenue when, or as, performance obligations are satisfied</td></tr>
  </table>
<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p id="xdx_845_ecustom--UncertaintiesPolicyTextBlock_zrjUsKWivWNg" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_867_zfPfMMj9M7gf">Uncertainties</span></i></b> - Since early 2020, when the World Health Organization
established the transmissible and pathogenic coronavirus a global pandemic, there have been business slowdowns. The outbreak of such
a communicable disease has resulted in a widespread health crisis which has adversely affected general commercial activity and the
economies and financial markets of many countries, including the United States. As the outbreak of the disease has continued through
fiscal 2022 and into fiscal 2023, the measures taken by the governments of impacted countries have, at times, adversely affected the
Company&#8217;s business, financial condition, and results of operations. Pandemic related supply shortages and increased energy
expenses resulting from the war in Ukraine have recently created worldwide inflationary pressures which may have a material adverse
effect on the Company's business, financial condition, and results of operations if such factors continue unabated.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">We have encountered challenges in our supply of various materials and components, and electronic
components in particular, due to well-documented shortages and constraints in the global supply chain. Lead times for ordered components
may vary significantly, and some components used to manufacture our products are provided by a limited number of sources. We have experienced
lengthened lead times throughout our supply chain as a result of supply chain constraints and material shortages that have occurred in
the recent months, and may continue through fiscal year 2023. This has been exacerbated by the recent resurgence of the COVID-19 pandemic
in certain parts of China, which has resulted in the temporary closure of manufacturing facilities, including those that manufacture electronic
parts that we include in our products.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<span></span>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839827071296">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUE RECOGNITION<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerAbstract', window );"><strong>Revenue from Contract with Customer [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerTextBlock', window );">REVENUE RECOGNITION</a></td>
<td class="text"><p id="xdx_808_eus-gaap--RevenueFromContractWithCustomerTextBlock_zqeJ1XEqQeS3" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 3: <span id="xdx_82B_zXR8m4oEFXa9">REVENUE RECOGNITION</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">A majority of the Company&#8217;s sales revenue is derived primarily from short term contracts
with customers which are primarily in effect for less than twelve months. Sales revenue from manufactured equipment transferred at a single
point in time accounts for a majority of the Company&#8217;s revenue.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Sales revenue is recognized when control of the Company&#8217;s manufactured equipment
is transferred to its customers, in an amount that reflects the consideration the Company expects to receive based upon the agreed transaction
price. The Company&#8217;s performance obligations are satisfied when its customers take control of the purchased equipment, which is
based on the contract terms. Based on prior experience, the Company reasonably estimates its sales returns and warranty reserves. Sales
are presented net of discounts and allowances. Discounts and allowances are determined when a sale is negotiated. The Company does not
grant its customers or independent representatives, the ability to return equipment nor does it grant price adjustments after a sale is
complete.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company does not capitalize any sales commission costs related to the acquisition of
a contract. All commissions related to a performance obligation that are satisfied at a point in time are expensed when the customer takes
control of the purchased equipment.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company applies the practical expedient in paragraph ASC 606-10-50-14 and does not
disclose information about remaining performance obligations that have original expected durations of one-year or less.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">At November 30, 2022, the Company had received $<span id="xdx_90D_eus-gaap--CustomerAdvancesAndDeposits_iI_pp0p0_c20221130_zS6JylFrIao9" title="Cash deposits">1,749,000</span> in cash deposits, and had issued
Letters of Credit in the amount of $<span id="xdx_903_eus-gaap--LineOfCredit_iI_pp0p0_c20221130_z7ZfSIsTohU" title="Letter of credit">5,000</span> to secure these cash deposits.</p>




<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">At February 28, 2022, the Company had received $<span id="xdx_908_eus-gaap--CustomerAdvancesAndDeposits_iI_pp0p0_c20220228_ziHHLqRwUNc9" title="Cash deposits">1,168,000</span> in cash deposits for customer
orders. During the nine months ended November 30, 2022, the Company recognized $<span id="xdx_907_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pp0p0_c20220301__20221130_zfalwDGYJGF7" title="Revenue recognized">1,114,000</span> of these deposits as revenue.</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: justify">&#160;</p>

<p id="xdx_895_eus-gaap--ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock_z2ZXuOodbwQd" style="font: 10pt Cambria,serif; margin: 0; text-align: justify">The Company&#8217;s sales revenue by product line is as follows:</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: justify"><span style="display: none"><span id="xdx_8B3_zWN6Oy9dgB29">Schedule of Revenue Recognition - Sales Revenue by Product Line</span></span></p>

<table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse; font-size: 9pt">
  <tr style="vertical-align: bottom">
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="9" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Three Months Ended <br/>
November&#160;30,</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="9" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>Nine Months Ended <br/>
November&#160;30,</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2022</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>% of total</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2022</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>% of total</b></span></td>
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    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2021</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>% of total</b></span></td>
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    <td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>2021</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"><span style="font-size: 8pt"><b>% of total</b></span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td></tr>
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    <td style="width: 24%; font-family: Cambria,serif"><span style="font-size: 9pt">Fluxing Systems</span></td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_982_eus-gaap--Revenues_pp0p0_c20220901__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_zKJM0ax4Pu09" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue">252,000</td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_987_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right">7%</td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_985_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue">104,000</td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_985_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right">2%</td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_989_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue">960,000</td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_981_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right">8%</td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td style="width: 1%; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue">579,000</td>
    <td style="width: 2%; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_980_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right">5%</td>
    <td style="width: 1%; font-family: Cambria,serif">&#160;</td></tr>
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    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">Integrated Coating Systems</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_989_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">193,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98D_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">5%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98B_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">60,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98F_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">1%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_987_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">787,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98B_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">7%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_981_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">780,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_984_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">6%</td>
    <td style="font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font-family: Cambria,serif"><span style="font-size: 9pt">Multi-Axis Coating Systems</span></td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_988_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">1,493,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_983_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">42%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98E_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">2,721,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_981_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">62%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_985_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">4,962,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_985_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">44%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_987_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">6,692,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98B_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">55%</td>
    <td style="font-family: Cambria,serif">&#160;</td></tr>
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    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_987_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">503,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98D_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">14%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_987_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">637,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98F_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">15%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_983_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">1,819,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_983_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">16%</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_981_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">1,808,000</td>
    <td style="font-family: Cambria,serif">&#160;</td>
    <td id="xdx_985_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right">15%</td>
    <td style="font-family: Cambria,serif">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="padding-bottom: 1pt; font-family: Cambria,serif"><span style="font-size: 9pt">Other</span></td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_982_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue">1,145,000</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_985_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right">32%</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_980_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue">897,000</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_983_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right">20%</td>
    <td style="padding-bottom: 1pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
    <td id="xdx_98D_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue">2,873,000</td>
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    <td style="border-bottom: black 1pt solid; font-family: Cambria,serif">&#160;</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_98D_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue">4,419,000</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_989_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue">11,401,000</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"><span style="font-size: 9pt">$</span></td>
    <td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue">12,134,000</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif">&#160;</td></tr>
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<p id="xdx_8AB_zYZOsIr5LAEc" style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
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<a href="javascript:void(0);" onclick="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="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 https://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 https://asc.fasb.org/extlink&amp;oid=126920106&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 https://asc.fasb.org/extlink&amp;oid=126920106&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 https://asc.fasb.org/extlink&amp;oid=126920106&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 https://asc.fasb.org/extlink&amp;oid=126920106&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 https://asc.fasb.org/extlink&amp;oid=126920106&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 https://asc.fasb.org/extlink&amp;oid=126920106&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 https://asc.fasb.org/extlink&amp;oid=126920106&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 https://asc.fasb.org/extlink&amp;oid=126920106&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 https://asc.fasb.org/extlink&amp;oid=126920106&amp;loc=SL49130554-203045<br></p></div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839827071296">
<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>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryDisclosureAbstract', window );"><strong>Inventory 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="Show.showAR( this, 'defref_us-gaap_InventoryDisclosureTextBlock', window );">INVENTORIES</a></td>
<td class="text"><p id="xdx_80D_eus-gaap--InventoryDisclosureTextBlock_zwiE7ncL3BR8" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 4: <span id="xdx_82E_z75SW8qv5ebd">INVENTORIES</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p id="xdx_893_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zGRMCps3UC4" style="font: 10pt Cambria,serif; margin: 0 0 0 0.5in; text-indent: -0.5in">Inventories consist of the following:</p>

<p style="font: 10pt Cambria,serif; margin: 0"><span id="xdx_8B6_z28FeSvs3U6l" style="display: none">Schedule of Inventory, Current</span></p>

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  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-size: 8pt; font-weight: bold">&#160;</td>
    <td colspan="2" id="xdx_498_20221130_zdNYyXPLVIHc" style="font-size: 8pt; font-weight: bold; text-align: center">November 30,</td><td style="font-size: 8pt; font-weight: bold">&#160;</td><td style="font-size: 8pt; font-weight: bold">&#160;</td>
    <td colspan="2" id="xdx_49B_20220228_zADFcwhpmZEf" style="font-size: 8pt; font-weight: bold; text-align: center">February&#160;28,</td><td style="font-size: 8pt; font-weight: bold">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center">2022</td><td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold">&#160;</td><td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center">2022</td><td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold">&#160;</td></tr>
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    <td style="width: 72%; text-align: left">Raw materials and subassemblies</td><td style="width: 2%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right"><p style="margin: 0">1,875,277</p></td><td style="width: 1%; text-align: left">&#160;</td><td style="width: 2%">&#160;</td>
    <td style="width: 1%; text-align: left">$</td><td style="width: 10%; text-align: right">1,250,589</td><td style="width: 1%; text-align: left">&#160;</td></tr>
  <tr id="xdx_405_eus-gaap--InventoryFinishedGoods_iI_maCzP7E_zYSCbypFPIv7" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Finished goods</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">648,725</td><td style="text-align: left">&#160;</td><td>&#160;</td>
    <td style="text-align: left">&#160;</td><td style="text-align: right">779,533</td><td style="text-align: left">&#160;</td></tr>
  <tr id="xdx_407_eus-gaap--InventoryWorkInProcess_iI_maCzP7E_zMmfiEcoXyNd" style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="text-align: left; padding-bottom: 1pt">Work in process</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">736,409</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">343,120</td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
  <tr id="xdx_409_eus-gaap--InventoryNet_iTI_mtCzEhs_zmS7hBKF6Tlg" style="vertical-align: bottom; background-color: White">
    <td style="text-align: left; padding-bottom: 2.5pt">Net inventories</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">3,260,411</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; text-align: left">$</td><td style="border-bottom: Black 2.5pt double; text-align: right">2,373,242</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
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<p id="xdx_8AE_z7wMye4P1JMa" style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company maintains an allowance for slow moving inventory for raw materials and finished goods. The recorded allowances
at November 30, 2022 and February 28, 2022, totaled $<span id="xdx_903_eus-gaap--InventoryValuationReserves_iI_c20221130_zrcLfIovlHHe" title="Allowance for slow moving inventory">312,807</span> and $<span id="xdx_901_eus-gaap--InventoryValuationReserves_iI_c20220228_zya2IFvINTAg" title="Allowance for slow moving inventory">327,661</span>, respectively.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<span></span>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="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="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 https://asc.fasb.org/topic&amp;trid=2126998<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryDisclosureTextBlock</td>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738351440">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STOCK OPTIONS<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_StockholdersEquityNoteDisclosureTextBlock', window );">STOCK OPTIONS</a></td>
<td class="text"><p id="xdx_806_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zP3l3sycIMzd" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 5: <span id="xdx_821_zALX1YC7Abok">STOCK OPTIONS</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">Under the 2013 Stock Incentive Plan ("2013 Plan"), options can be granted
to officers, directors, consultants and employees of the Company and its subsidiaries to purchase up to <span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20221130__us-gaap--PlanNameAxis__custom--StockIncentivePlan2013Member_zg2eT9eVJ5J8" title="Stock options shares available for grants">2,500,000</span> shares of the Company's
common stock. Under the 2013 Plan options expire ten years after the date of grant. As of November 30, 2022, there were <span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iI_c20221130__us-gaap--PlanNameAxis__custom--StockIncentivePlan2013Member_zoyMYCKp8Gbj" title="Stock options, outstanding">245,745</span> options
outstanding under the 2013 Plan, of which <span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_c20220301__20221130__us-gaap--PlanNameAxis__custom--StockIncentivePlan2013Member_zckev6nYrGXe" title="Stock options, vested">83,816</span> are vested.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">During the three months ended November 30, 2022, <span id="xdx_909_ecustom--OptionsExercisedNetCashlessBasis_c20220901__20221130__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zIAcdQqZYy7a" title="Options exercised, net cashless basis">9,723</span> options were exercised
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<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">During the nine months ended November 30, 2022, <span id="xdx_90B_ecustom--OptionsExercisedNetCashlessBasis_c20220301__20221130__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zil5kEfREOW1" title="Options exercised, net cashless basis">16,973</span> options were exercised
on a net cashless basis, which resulted in <span id="xdx_90A_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20220301__20221130_zeIM7odwdrPg" title="Options exercised">12,898</span> shares of common stock being issued.</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"><b>&#160;</b></p>

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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for shareholders' equity comprised of portions attributable to the parent entity and noncontrolling interest, including other comprehensive income. Includes, but is not limited to, balances of common stock, preferred stock, additional paid-in capital, other capital and retained earnings, accumulated balance for each classification of other comprehensive income and amount of comprehensive income.</p></div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839742491088">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STOCK-BASED COMPENSATION<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EquityAbstract', window );"><strong>Equity [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="Show.showAR( this, 'defref_us-gaap_ShareholdersEquityAndShareBasedPaymentsTextBlock', window );">STOCK-BASED COMPENSATION</a></td>
<td class="text"><p id="xdx_800_eus-gaap--ShareholdersEquityAndShareBasedPaymentsTextBlock_zvMpImTn7rpg" style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"><b>NOTE 6: <span id="xdx_82C_za8ucnEIW1Vj">STOCK-BASED COMPENSATION</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company accounts for stock-based compensation under ASC 718, &#8220;Share Based Payments.&#8221;
which requires companies to expense the value of employee stock options and similar awards.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">During the nine months ended November 30, 2022, the Company granted options to acquire
<span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zoATFOCxv8xd" title="Options granted">23,225</span> shares to employees exercisable at prices ranging from $<span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MinimumMember_zzYyy9lbqWn2" title="Options, exercisable price">5.50</span> to $<span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MaximumMember_zbxGYyxSLdDg" title="Options, exercisable price">5.96</span> and options to acquire <span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--ShareBasedPaymentArrangementNonemployeeMember_pdd" title="Options granted">16,500</span> shares to non-employee members
of the board of directors with an exercise price of $<span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--ShareBasedPaymentArrangementNonemployeeMember_pdd" title="Options, exercisable price">5.50</span>. The options granted to employees and directors vest over <span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_dtxL_c20220301__20221130__us-gaap--AwardTypeAxis__custom--EmployeesAndDirectorsMember_zChtvjkGyzAk" title="Options, vesting period::XDX::P3Y"><span style="-sec-ix-hidden: xdx2ixbrl0660">three</span></span> years and expire
in <span id="xdx_90A_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_dtxL_c20220301__20221130__us-gaap--AwardTypeAxis__custom--EmployeesAndDirectorsMember_zPhdLLYhqjeg" title="Options, expiration period::XDX::P10Y"><span style="-sec-ix-hidden: xdx2ixbrl0662">ten</span></span> years. The options granted during the first nine months of fiscal 2023 had a combined weighted average grant date fair value of
$<span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_c20220301__20221130__us-gaap--AwardTypeAxis__custom--EmployeesAndDirectorsMember_zCm2yklKmEt1" title="Weighted average grant date fair value, per share">3.34</span> per share.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>




<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p id="xdx_89D_eus-gaap--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_z2K8RbRP4161" style="font: 10pt Cambria,serif; margin: 0">The weighted-average fair value of options are estimated on the date of grant using the
Black-Scholes options-pricing model. The weighted-average Black-Scholes assumptions are as follows:</p>

<p style="font: 10pt Cambria,serif; margin: 0"><span id="xdx_8BA_zpUFhD96DeH6" style="display: none">Schedule of weighted-average Black-Scholes assumptions&#160;</span></p>

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  <tr style="vertical-align: bottom">
    <td>&#160;</td><td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center">Nine Months Ended <br/> November 30, 2022</td><td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="text-align: left">Expected Life</td><td>&#160;</td>
    <td style="text-align: center">&#160;</td><td style="text-align: center"><span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MinimumMember_zJvzS8BJuR3j" title="Expected life (in years)">5</span> - <span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MaximumMember_z3mkuiL72qij" title="Expected life (in years)">8</span> years</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="text-align: left">Risk free interest rate</td><td>&#160;</td>
    <td style="text-align: center">&#160;</td><td style="text-align: center"><span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_dp_c20220301__20221130_zjGRpncLUL32" title="Risk free interest rate, minimum">2.82</span>% - <span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_dp_c20220301__20221130_zMPK4pesd5jd" title="Risk free interest rate, maximum">3.93</span>%</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="text-align: left">Expected volatility</td><td>&#160;</td>
    <td style="text-align: center">&#160;</td><td style="text-align: center"><span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_dp_c20220301__20221130_z4QYNSctNlh1" title="Expected volatility, minimum">55.02</span>% - <span id="xdx_903_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_dp_c20220301__20221130_znR9b856aKa2" title="Expected volatility, maximum">62.01</span>%</td><td style="text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="width: 82%; text-align: left">Expected dividend yield</td><td style="width: 2%">&#160;</td>
    <td style="width: 1%; text-align: center">&#160;</td><td style="width: 14%; text-align: center"><span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_c20220301__20221130_zPYhiEU1npRi" title="Expected dividend yield">0</span>%</td><td style="width: 1%; text-align: left">&#160;</td></tr>
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<p id="xdx_8A6_zXAQ9thomq4d" style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">Total compensation related to non-vested options not yet recognized as of November
30, 2022 was $<span id="xdx_90C_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_iI_pp0p0_c20221130_zHy2vDRyW6l6" title="Compensation expense yet to be recognized">337,000</span> and will be recognized over the next <span id="xdx_909_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_dtYxL_c20210301__20211130_zIVE0voqVL36" title="Period for compensation expense to be recognized::XDX::P3Y"><span style="-sec-ix-hidden: xdx2ixbrl0684">three</span></span> years based on vesting date.</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0">For the three and nine months ended November 30, 2022 and 2021, net income and
earnings per share reflect the actual deduction for stock-based compensation expense. For the three months ended November 30, 2022 and
2021, the Company recognized approximately $<span id="xdx_90D_eus-gaap--ShareBasedCompensation_c20220901__20221130_zMoSkKYAYiNf" title="Stock-based compensation expense">61,000</span> and $<span id="xdx_90F_eus-gaap--ShareBasedCompensation_c20210901__20211130_zOMzq2L2rKU2" title="Stock-based compensation expense">52,000</span> of stock based compensation, respectively. For the nine months ended November
30, 2022 and 2021, the Company recognized approximately $<span id="xdx_906_eus-gaap--ShareBasedCompensation_c20220301__20221130_zwkcajxxRPC3" title="Stock-based compensation expense">173,000</span> and $<span id="xdx_906_eus-gaap--ShareBasedCompensation_c20210301__20211130_zpilTPQmZXf3" title="Stock-based compensation expense">93,000</span> of stock based compensation, respectively. Stock based compensation
is included in general and administrative expenses on the unaudited consolidated statements of income.</p>

<p style="font: 11pt Cambria,serif; margin: 0 4.5pt 0 0">&#160;</p>

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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for shareholders' equity and share-based payment arrangement. Includes, but is not limited to, disclosure of policy and terms of share-based payment arrangement, deferred compensation arrangement, and employee stock purchase plan (ESPP).</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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> -URI https://asc.fasb.org/topic&amp;trid=2208762<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 718<br> -URI https://asc.fasb.org/topic&amp;trid=2228938<br></p></div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839743249664">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>EARNINGS PER SHARE<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
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<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareTextBlock', window );">EARNINGS PER SHARE</a></td>
<td class="text"><p id="xdx_80A_eus-gaap--EarningsPerShareTextBlock_zp34PB6q7BWg" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 7: <span id="xdx_82A_ze9ljG7OEXo2">EARNINGS PER SHARE</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p id="xdx_892_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_zQkODlBCGda5" style="font: 10pt Cambria,serif; margin: 0">The following table sets forth the computation of basic and diluted earnings per share:</p>

<p style="font: 10pt Cambria,serif; margin: 0"><span id="xdx_8B9_zn6oQRWZNgoj" style="display: none">Schedule of Computation of basic and diluted earnings per share</span>&#160;</p>

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    <td style="font-size: 10pt">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
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<p id="xdx_8A1_zVKTWEC3p7be" style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for earnings per share.</p></div>
<a href="javascript:void(0);" onclick="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 3<br> -URI https://asc.fasb.org/extlink&amp;oid=109243012&amp;loc=SL65017193-207537<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 (c)<br> -URI https://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> -URI https://asc.fasb.org/topic&amp;trid=2144383<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 50<br> -Paragraph 2<br> -URI https://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3630-109257<br></p></div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839743281552">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVOLVING LINE OF CREDIT<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_ShortTermDebtTextBlock', window );">REVOLVING LINE OF CREDIT</a></td>
<td class="text"><p id="xdx_80E_eus-gaap--ShortTermDebtTextBlock_z8b0psQaEVRh" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 8: <span id="xdx_827_z8hcSbUJbo1">REVOLVING LINE OF CREDIT</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company has a $<span id="xdx_903_eus-gaap--LineOfCreditFacilityMaximumBorrowingCapacity_iI_c20221130__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zz1X4zV8XRGe" title="Revolving line of credit"><span id="xdx_903_eus-gaap--LineOfCreditFacilityMaximumBorrowingCapacity_iI_c20220228__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_ziSaDARPWKZa" title="Revolving line of credit">1,500,000</span></span> revolving line of credit at prime which was <span id="xdx_905_eus-gaap--LineOfCreditFacilityInterestRateAtPeriodEnd_iI_dp_c20221130__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zOjd72p5myba" title="Interest rate">7.00</span>% at November
30, 2022 and <span id="xdx_905_eus-gaap--LineOfCreditFacilityInterestRateAtPeriodEnd_iI_dp_c20220228__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_z00c0v0krVZe" title="Interest rate">3.25</span>% at February 28, 2022. <span id="xdx_909_eus-gaap--LineOfCreditFacilityDescription_c20220301__20221130__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zBDkO3quRe33" title="Revolving credit line description"><span id="xdx_907_eus-gaap--LineOfCreditFacilityDescription_c20210301__20220228__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zQTB2HGITYkf" title="Revolving credit line description">The revolving credit line is collateralized by the Company&#8217;s accounts receivable and inventory.
The revolving credit line is payable on demand and must be retired for a 30-day period, once annually. If the Company fails to perform
the 30-day annual pay down or if the bank elects to terminate the credit line, the bank may, at its option, convert the outstanding balance
to a 36-month term note with payments including interest in 36 equal installments.</span></span></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">As of November 30, 2022, $<span id="xdx_900_ecustom--CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers_iI_c20221130__us-gaap--CreditFacilityAxis__us-gaap--LetterOfCreditMember_zXZF9B0oWqZa" title="Credit line utilized to collateralize letter of credit issued to customers">5,000</span> of the Company&#8217;s credit line was being utilized to
collateralize letters of credit issued to customers that have remitted cash deposits to the Company on existing orders. The letters of
credit expire in 2023. As of November 30, 2022, there were <span id="xdx_900_eus-gaap--ShortTermBorrowings_iI_do_c20221130__us-gaap--CreditFacilityAxis__us-gaap--LetterOfCreditMember_zOYrsbl6oC3j" title="Outstanding borrowings under the line of credit">no</span> outstanding borrowings under the line of credit and the unused portion of
the credit line was $<span id="xdx_90C_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_c20221130__us-gaap--CreditFacilityAxis__us-gaap--LetterOfCreditMember_z3QSX9m1EuWc" title="Unused portion of credit line">1,495,000</span>.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>




<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">- Definition</a><div><p>The entire disclosure for short-term debt.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/topic&amp;trid=2208564<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839743313936">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CUSTOMER CONCENTRATIONS AND FOREIGN SALES<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RisksAndUncertaintiesAbstract', window );"><strong>Risks and Uncertainties [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="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskDisclosureTextBlock', window );">CUSTOMER CONCENTRATIONS AND FOREIGN SALES</a></td>
<td class="text"><p id="xdx_806_eus-gaap--ConcentrationRiskDisclosureTextBlock_z8QzgHouXIxc" style="font: 10pt Cambria,serif; margin: 0"><b>NOTE 9: <span id="xdx_824_zGm6WIlbn7Hh">CUSTOMER CONCENTRATIONS AND FOREIGN SALES</span></b></p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p id="xdx_893_eus-gaap--SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_zf7VJ2QYc7Zb" style="font: 10pt Cambria,serif; margin: 0">Export sales to customers located outside the United States and Canada were approximately
as follows:</p>

<p style="font: 10pt Cambria,serif; margin: 0"><span id="xdx_8B7_zShv9UrvRTVa" style="display: none">Schedule of Customer Concentrations and Foreign Sales</span></p>

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    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">Nine&#160;Months&#160;Ended<br/> November 30,</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">Three&#160;Months&#160;Ended<br/> November 30,</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td></tr>
  <tr style="vertical-align: bottom">
    <td style="font-size: 10pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">2022</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">2021</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">2022</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center">2021</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td></tr>
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    <td style="font: 10pt Cambria,serif; width: 44%; text-align: left">Asia Pacific (APAC)</td><td style="font: 10pt Cambria,serif; width: 2%">&#160;</td>
    <td style="font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales">2,367,000</td><td style="font: 10pt Cambria,serif; width: 1%; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%">&#160;</td>
    <td style="font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales">4,754,000</td><td style="font: 10pt Cambria,serif; width: 1%; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%">&#160;</td>
    <td style="font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales">834,000</td><td style="font: 10pt Cambria,serif; width: 1%; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%">&#160;</td>
    <td style="font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales">1,901,000</td><td style="font: 10pt Cambria,serif; width: 1%; text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; text-align: left">Europe, Middle East, Asia (EMEA)</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales">2,557,000</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales">2,723,000</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales">731,000</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales">1,287,000</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: rgb(230,239,255)">
    <td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt">Latin America</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales">1,301,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales">888,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales">436,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales">243,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td></tr>
  <tr style="vertical-align: bottom; background-color: White">
    <td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
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    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales">8,365,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales">2,001,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales">3,431,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
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<p id="xdx_8AF_zKguvaqyrRoi" style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">In the first nine months of fiscal 2023 and fiscal 2022, sales to foreign customers accounted
for approximately $<span id="xdx_90F_eus-gaap--Revenues_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zda0pHNGlgyg" title="Sales revenue">6,225,000</span> and $<span id="xdx_900_eus-gaap--Revenues_c20210301__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zZ587ZFacYS3" title="Sales revenue">8,365,000</span>, or <span id="xdx_90F_ecustom--SalesRevenuePercent_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zmJye2q1zQK9" title="Sales revenue, percent">55</span>% and <span id="xdx_90E_ecustom--SalesRevenuePercent_dp_c20210301__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_z5689p3nJJKd" title="Sales revenue, percent">69</span>%, respectively, of total revenues.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">During the third quarter of fiscal 2023 and fiscal 2022, sales to foreign customers accounted
for approximately $<span id="xdx_904_eus-gaap--Revenues_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_ztfYAzlLnEy7" title="Sales revenue">2,001,000</span> and $<span id="xdx_904_eus-gaap--Revenues_c20210901__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zR8L5Fxdb2Oc" title="Sales revenue">3,431,000</span>, or <span id="xdx_90D_ecustom--SalesRevenuePercent_dp_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zJZp7LzOXjtb" title="Sales revenue, percent">56</span>% and <span id="xdx_901_ecustom--SalesRevenuePercent_dp_c20210901__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zYsaVfjz27kf" title="Sales revenue, percent">78</span>%, respectively, of total revenues.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company had two customers which accounted for <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--TwoCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zuzytZh3J96j" title="Concentration percentage">14</span>% of sales during the first nine months
of fiscal 2023. The Company had two customers which accounted for <span id="xdx_903_eus-gaap--ConcentrationRiskPercentage1_dp_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--TwoCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zbZtVPv3kSVf" title="Concentration percentage">21</span>% of sales during the third quarter of fiscal 2023. Five customers
accounted for <span id="xdx_909_eus-gaap--ConcentrationRiskPercentage1_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--FiveCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember_z0CIBSNKJw4i" title="Concentration percentage">41</span>% of the outstanding accounts receivables at November 30, 2022.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The Company had three customers which accounted for <span id="xdx_90A_eus-gaap--ConcentrationRiskPercentage1_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ThreerCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zMbAzhstDMel" title="Concentration percentage">27</span>% of sales during the first nine
months of fiscal 2022. The Company had six customers which accounted for <span id="xdx_90C_eus-gaap--ConcentrationRiskPercentage1_dp_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--SixCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zykaVColoHa7" title="Concentration percentage">48</span>% of sales during the third quarter of fiscal 2022. Three customers
accounted for <span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_dp_c20210301__20220228__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ThreeCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember_zr06yS75Unv7" title="Concentration percentage">41</span>% of the outstanding accounts receivables at February 28, 2022.</p>

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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738339824">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SIGNIFICANT ACCOUNTING POLICIES (Policies)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="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="Show.showAR( this, 'defref_us-gaap_ConsolidationPolicyTextBlock', window );">Consolidation</a></td>
<td class="text"><p id="xdx_84A_eus-gaap--ConsolidationPolicyTextBlock_z9SYKyAgfP7l" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_86F_zpMjGt2HCfmb">Consolidation</span></i></b> - The accompanying unaudited condensed consolifdated financial
statements of the Company include the accounts of the Company and its wholly owned subsidiary, Sono-Tek Industrial Park, LLC (&#8220;SIP&#8221;)
in conformity with generally accepted accounting principles in the United States (&#8220;GAAP&#8221;). SIP operates as a real estate holding
company for the Company&#8217;s real estate operations. All intercompany accounts and transactions have been eliminated in consolidation.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<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="Show.showAR( this, 'defref_us-gaap_FairValueOfFinancialInstrumentsPolicy', window );">Fair Value of Financial Instruments</a></td>
<td class="text"><p id="xdx_84C_eus-gaap--FairValueOfFinancialInstrumentsPolicy_zfrUkDClG951" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_865_zuypEkFerqB4">Fair Value of Financial Instruments</span></i></b> - The Company applies Accounting Standards
Codification (&#8220;ASC&#8221;) 820,&#160;<i>Fair Value Measurement&#160;</i>(&#8220;ASC 820&#8221;), which establishes a framework for
measuring fair value and clarifies the definition of fair value within that framework. ASC 820 defines fair value as an exit price, which
is the price that would be received for an asset or paid to transfer a liability in the Company&#8217;s principal or most advantageous
market in an orderly transaction between market participants on the measurement date. The fair value hierarchy established in ASC 820
generally requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair
value. Observable inputs reflect the assumptions that market participants would use in pricing the asset or liability and are developed
based on market data obtained from sources independent of the reporting entity. Unobservable inputs reflect the entity&#8217;s own assumptions
based on market data and the entity&#8217;s judgments about the assumptions that market participants would use in pricing the asset or
liability and are to be developed based on the best information available in the circumstances.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The carrying amounts of financial instruments reported in the accompanying unaudited condensed
consolidated financial statements for current assets and current liabilities approximate the fair value because of the immediate or short-term
maturities of the financial instruments.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">The valuation hierarchy is composed of three levels. The classification within the valuation
hierarchy is based on the lowest level of input that is significant to the fair value measurement. The levels within the valuation hierarchy
are described below:</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Level 1 &#8212; Assets and liabilities with unadjusted, quoted prices listed on active
market exchanges. Inputs to the fair value measurement are observable inputs, such as quoted prices in active markets for identical assets
or liabilities.</p>




<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Level 2 &#8212; Inputs to the fair value measurement are determined using prices for recently
traded assets and liabilities with similar underlying terms, as well as direct or indirect observable inputs, such as interest rates and
yield curves that are observable at commonly quoted intervals.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Level 3 &#8212; Inputs to the fair value measurement are unobservable inputs, such as estimates,
assumptions, and valuation techniques when little or no market data exists for the assets or liabilities.</p>

<p style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white">&#160;</p>

<p id="xdx_89A_eus-gaap--FairValueAssetsMeasuredOnRecurringBasisTextBlock_zJQDaNgDDJs1" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white">The fair values of financial assets of the
Company were determined using the following categories at November 30, 2022 and February 28, 2022, respectively:</p>

<p style="font: 10pt Cambria,serif; margin: 0; background-color: white"><span id="xdx_8BC_zuNIIUpI71D" style="display: none">Schedule of Significant Accounting Policies - Fair values of
financial assets of the Company</span></p>

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  <tr style="vertical-align: bottom">
    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font-size: 10pt">&#160;</td>
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    <td colspan="2" style="font-size: 10pt">&#160;</td><td style="font-size: 10pt">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td colspan="2" style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left">$</td><td id="xdx_980_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zSLk9jRO2iz4" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"><span style="-sec-ix-hidden: xdx2ixbrl0506">&#8212;</span></td><td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt">&#160;</td>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
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<p id="xdx_8A8_zvVSrdt6Je83" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0; background-color: white">Marketable Securities include mutual funds, certificates of deposit
and US Treasury securities, totaling $8,073,293 and $5,867,990 that are considered to be highly liquid and easily tradeable as of November
30, 2022 and February 28, 2022, respectively. Mutual funds and US Treasury securities are valued using inputs observable in active markets
for identical securities and are therefore classified as Level&#160;1 and certificates of deposit are classified as Level 2 within the
Company&#8217;s fair value hierarchy.</p>

<p style="font: 10pt Cambria,serif; margin: 0; background-color: white">&#160;</p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_IncomeTaxPolicyTextBlock', window );">Income Taxes</a></td>
<td class="text"><p id="xdx_844_eus-gaap--IncomeTaxPolicyTextBlock_zBXVVGUHRYJb" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_86B_z8KT6pCb4R2d">Income Taxes</span></i></b> - The Company accounts for income taxes under the asset and
liability method. Under this method, deferred income taxes are recognized for the tax consequences of "temporary differences"
by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts and
the tax basis of existing assets and liabilities. If it is more likely than not that some portion or all of a deferred tax asset will
not be realized, a valuation allowance is recognized. The Company uses a recognition threshold and a measurement attribute for financial
statement recognition and measurement of tax positions taken or expected to be taken in a return. For those benefits to be recognized,
a tax position must be more likely than not to be sustained upon examination by taxing authorities. As of November 30, 2022 and February
28, 2022, there were no accruals for uncertain tax positions.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryPolicyTextBlock', window );">Inventories</a></td>
<td class="text"><p id="xdx_84B_eus-gaap--InventoryPolicyTextBlock_zqPJ1nMDMGwd" style="font: 10pt Cambria,serif; margin: 0"><span style="background-color: white"><b><i><span id="xdx_86C_zyaeEipS77i9">Inventories</span></i></b>&#160;- Inventories are
stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out (FIFO) method for raw materials,
subassemblies and work-in-progress and the specific identification method for finished goods. Management compares the cost of inventory
with the net realizable value and, if applicable, an allowance is made for writing down the inventory to its net realizable value, if
lower than cost. On an ongoing basis, inventory is reviewed for potential write-down for estimated obsolescence or unmarketable inventory
based upon forecasts for future demand and market conditions.</span></p>
<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_UseOfEstimates', window );">Management Estimates</a></td>
<td class="text"><p id="xdx_843_eus-gaap--UseOfEstimates_z0xlYph1M9p4" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_862_zjCy7nPg1Oeb">Management Estimates</span></i></b> - The preparation of the unaudited condensed consolidated
financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of
assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial
statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_NewAccountingPronouncementsPolicyPolicyTextBlock', window );">New Accounting Pronouncements</a></td>
<td class="text"><p id="xdx_848_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zDSue9uOO4ml" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_860_zymvvjPYpDV7">New Accounting Pronouncements</span></i></b> - In June 2016, the FASB issued ASU 2016-13
- Financial Instruments-Credit Losses-Measurement of Credit Losses on Financial Instruments. Codification Improvements to Topic 326, Financial
Instruments &#8211; Credit Losses, have been released in November 2018 (2018-19), November 2019 (2019-10 and 2019-11) and a January 2020
Update (2020-02) that provided additional guidance on this Topic. This guidance replaces the current incurred loss impairment methodology
with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information
to inform credit loss estimates. For SEC filers meeting certain criteria, the amendments in this ASU are effective for fiscal years, and
interim periods within those fiscal years, beginning after December 15, 2019. For SEC filers that meet the criteria of a smaller reporting
company (including this Company) and for non-SEC registrant public companies and other organizations, the amendments in this ASU are effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. Early adoption will be permitted for
all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The Company is currently
in the process of its analysis of the impact of this guidance on its consolidated financial statements and does not expect the adoption
of this guidance to have a material impact on the Company&#8217;s consolidated financial statements.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">Other than Accounting Standards Update ASU 2016-13 discussed above, all new accounting
pronouncements issued but not yet effective have been deemed to be not applicable to the Company. Hence, the adoption of these new accounting
pronouncements, once effective, is not expected to have an impact on the Company.</p>




<p style="font: 10pt Cambria,serif; margin: 0"><b><i>&#160;</i></b></p>

<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StandardProductWarrantyPolicy', window );">Product Warranty</a></td>
<td class="text"><p id="xdx_840_eus-gaap--StandardProductWarrantyPolicy_zoSHzZFjMKpk" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_869_zVLkxmXwxRQa">Product Warranty</span></i></b> - Expected future product warranty expense is recorded when
the product is sold.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<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="Show.showAR( this, 'defref_us-gaap_RevenueRecognitionPolicyTextBlock', window );">Revenue Recognition</a></td>
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accordance with ASC 606, Revenue from Contracts with Customers, the core principle of which is that an entity should recognize
revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the
entity expects to be entitled to receive in exchange for those goods or services. To determine revenue recognition for arrangements
that the Company determines are within the scope of ASC 606, the Company performs the following five steps:</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

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<span></span>
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<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_UncertaintiesPolicyTextBlock', window );">Uncertainties</a></td>
<td class="text"><p id="xdx_845_ecustom--UncertaintiesPolicyTextBlock_zrjUsKWivWNg" style="font: 10pt Cambria,serif; margin: 0"><b><i><span id="xdx_867_zfPfMMj9M7gf">Uncertainties</span></i></b> - Since early 2020, when the World Health Organization
established the transmissible and pathogenic coronavirus a global pandemic, there have been business slowdowns. The outbreak of such
a communicable disease has resulted in a widespread health crisis which has adversely affected general commercial activity and the
economies and financial markets of many countries, including the United States. As the outbreak of the disease has continued through
fiscal 2022 and into fiscal 2023, the measures taken by the governments of impacted countries have, at times, adversely affected the
Company&#8217;s business, financial condition, and results of operations. Pandemic related supply shortages and increased energy
expenses resulting from the war in Ukraine have recently created worldwide inflationary pressures which may have a material adverse
effect on the Company's business, financial condition, and results of operations if such factors continue unabated.</p>

<p style="font: 10pt Cambria,serif; margin: 0">&#160;</p>

<p style="font: 10pt Cambria,serif; margin: 0">We have encountered challenges in our supply of various materials and components, and electronic
components in particular, due to well-documented shortages and constraints in the global supply chain. Lead times for ordered components
may vary significantly, and some components used to manufacture our products are provided by a limited number of sources. We have experienced
lengthened lead times throughout our supply chain as a result of supply chain constraints and material shortages that have occurred in
the recent months, and may continue through fiscal year 2023. This has been exacerbated by the recent resurgence of the COVID-19 pandemic
in certain parts of China, which has resulted in the temporary closure of manufacturing facilities, including those that manufacture electronic
parts that we include in our products.</p>

<p style="font: 10pt Cambria,serif; margin: 0"><b>&#160;</b></p>

<span></span>
</td>
</tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy regarding (1) the principles it follows in consolidating or combining the separate financial statements, including the principles followed in determining the inclusion or exclusion of subsidiaries or other entities in the consolidated or combined financial statements and (2) its treatment of interests (for example, common stock, a partnership interest or other means of exerting influence) in other entities, for example consolidation or use of the equity or cost methods of accounting. The accounting policy may also address the accounting treatment for intercompany accounts and transactions, noncontrolling interest, and the income statement treatment in consolidation for issuances of stock by a subsidiary.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for income taxes, which may include its accounting policies for recognizing and measuring deferred tax assets and liabilities and related valuation allowances, recognizing investment tax credits, operating loss carryforwards, tax credit carryforwards, and other carryforwards, methodologies for determining its effective income tax rate and the characterization of interest and penalties in the financial statements.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of inventory accounting policy for inventory classes, including, but not limited to, basis for determining inventory amounts, methods by which amounts are added and removed from inventory classes, loss recognition on impairment of inventories, and situations in which inventories are stated above cost.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI https://asc.fasb.org/extlink&amp;oid=116847112&amp;loc=d3e4556-108314<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -URI https://asc.fasb.org/topic&amp;trid=2126998<br><br>Reference 3: 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(6)(b))<br> -URI https://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 912<br> -SubTopic 330<br> -Section 50<br> -Paragraph 1<br> -URI https://asc.fasb.org/extlink&amp;oid=6471895&amp;loc=d3e55923-109411<br><br>Reference 5: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 330<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI https://asc.fasb.org/extlink&amp;oid=116847112&amp;loc=d3e4492-108314<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 270<br> -SubTopic 10<br> -Section 45<br> -Paragraph 6<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126900757&amp;loc=d3e543-108305<br><br>Reference 7: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (d)<br> -URI https://asc.fasb.org/extlink&amp;oid=126899994&amp;loc=d3e18823-107790<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -URI https://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br></p></div>
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<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for revenue. Includes revenue from contract with customer and from other sources.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (e)<br> -URI https://asc.fasb.org/extlink&amp;oid=126899994&amp;loc=d3e18823-107790<br><br>Reference 2: http://www.xbrl.org/2003/role/exampleRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 235<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (f)<br> -URI https://asc.fasb.org/extlink&amp;oid=126899994&amp;loc=d3e18823-107790<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for standard warranties including the methodology for measuring the liability.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 460<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -Subparagraph (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=126907703&amp;loc=d3e12565-110249<br></p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Disclosure of accounting policy for the use of estimates in the preparation of financial statements in conformity with generally accepted accounting principles.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 12<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6191-108592<br><br>Reference 2: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 11<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6161-108592<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 9<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6143-108592<br><br>Reference 4: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e5967-108592<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6061-108592<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6132-108592<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (c)<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e5967-108592<br></p></div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839739355520">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>SIGNIFICANT ACCOUNTING POLICIES (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
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<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccountingPoliciesAbstract', window );"><strong>Accounting Policies [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="Show.showAR( this, 'defref_us-gaap_FairValueAssetsMeasuredOnRecurringBasisTextBlock', window );">Schedule of Significant Accounting Policies - Fair values of financial assets of the Company</a></td>
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<p style="font: 10pt Cambria,serif; margin: 0; background-color: white"><span id="xdx_8BC_zuNIIUpI71D" style="display: none">Schedule of Significant Accounting Policies - Fair values of
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839743367616">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUE RECOGNITION (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
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<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
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    <td id="xdx_987_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue">637,000</td>
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    <td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right">&#160;</td>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839743321232">
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<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>
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<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
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<td class="text">&#160;<span></span>
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</tr>
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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">343,120</td><td style="padding-bottom: 1pt; text-align: left">&#160;</td></tr>
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    <td style="text-align: left; padding-bottom: 2.5pt">Net inventories</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 style="border-bottom: Black 2.5pt double; text-align: right">2,373,242</td><td style="padding-bottom: 2.5pt; text-align: left">&#160;</td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ References</a><div 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 https://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 https://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 https://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 https://asc.fasb.org/extlink&amp;oid=6361739&amp;loc=d3e7789-107766<br></p></div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839743268032">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STOCK-BASED COMPENSATION (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EquityAbstract', window );"><strong>Equity [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
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<tr class="ro">
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839742315904">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>EARNINGS PER SHARE (Tables)<br></strong></div></th>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; text-align: right">&#160;</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of an entity's basic and diluted earnings per share calculations, including a reconciliation of numerators and denominators of the basic and diluted per-share computations for income from continuing operations.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 50<br> -Paragraph 1<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=124432515&amp;loc=d3e3550-109257<br></p></div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738282384">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CUSTOMER CONCENTRATIONS AND FOREIGN SALES (Tables)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
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<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RisksAndUncertaintiesAbstract', window );"><strong>Risks and Uncertainties [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="Show.showAR( this, 'defref_us-gaap_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock', window );">Schedule of Customer Concentrations and Foreign Sales</a></td>
<td class="text"><p id="xdx_893_eus-gaap--SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_zf7VJ2QYc7Zb" style="font: 10pt Cambria,serif; margin: 0">Export sales to customers located outside the United States and Canada were approximately
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    <td style="font: 10pt Cambria,serif">&#160;</td><td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
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    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales">2,557,000</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales">2,723,000</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales">731,000</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif">&#160;</td>
    <td style="font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales">1,287,000</td><td style="font: 10pt Cambria,serif; text-align: left">&#160;</td></tr>
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    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales">1,301,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales">888,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
    <td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left">&#160;</td><td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales">436,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 1pt">&#160;</td>
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    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales">8,365,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
    <td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left">$</td><td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales">2,001,000</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left">&#160;</td><td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt">&#160;</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Tabular disclosure of the nature of a concentration, a benchmark to which it is compared, and the percentage that the risk is to the benchmark.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 21<br> -URI https://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13537-108611<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI https://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13531-108611<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6404-108592<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 16<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6327-108592<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 18<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6351-108592<br><br>Reference 6: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 21<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6442-108592<br></p></div>
<a href="javascript:void(0);" onclick="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_SchedulesOfConcentrationOfRiskByRiskFactorTextBlock</td>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738832608">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Schedule of Significant Accounting Policies - Fair values of financial assets of the Company (Details) - USD ($)<br></strong></div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Feb. 28, 2022</div></th>
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<tr class="re">
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<td class="nump">$ 8,073,293<span></span>
</td>
<td class="nump">$ 5,867,990<span></span>
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</tr>
<tr class="rh">
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<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesCurrent', window );">Marketable Securities</a></td>
<td class="nump">7,921,225<span></span>
</td>
<td class="nump">5,716,338<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel2Member', window );">Fair Value, Inputs, Level 2 [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
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<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesCurrent', window );">Marketable Securities</a></td>
<td class="nump">152,068<span></span>
</td>
<td class="nump">151,652<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_FairValueByFairValueHierarchyLevelAxis=us-gaap_FairValueInputsLevel3Member', window );">Fair Value, Inputs, Level 3 [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="Show.showAR( this, 'defref_us-gaap_MarketableSecuritiesCurrent', window );">Marketable Securities</a></td>
<td class="text"> <span></span>
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<td class="text"> <span></span>
</td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of investment in marketable security, classified as current.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
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<link rel="stylesheet" type="text/css" href="include/report.css">
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839739661216">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Schedule of Revenue Recognition - Sales Revenue by Product Line (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
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<td class="nump">$ 3,586,165<span></span>
</td>
<td class="nump">$ 4,419,401<span></span>
</td>
<td class="nump">$ 11,401,029<span></span>
</td>
<td class="nump">$ 12,134,336<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_ProductOrServiceAxis=sotk_FluxingSystemsMember', window );">Fluxing Systems</a></td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
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<td class="nump">$ 252,000<span></span>
</td>
<td class="nump">$ 104,000<span></span>
</td>
<td class="nump">$ 960,000<span></span>
</td>
<td class="nump">$ 579,000<span></span>
</td>
</tr>
<tr class="ro">
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<td class="nump">7.00%<span></span>
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<td class="nump">2.00%<span></span>
</td>
<td class="nump">8.00%<span></span>
</td>
<td class="nump">5.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_ProductOrServiceAxis=sotk_IntegratedCoatingSystemsMember', window );">Integrated Coating Systems</a></td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
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<td class="nump">$ 193,000<span></span>
</td>
<td class="nump">$ 60,000<span></span>
</td>
<td class="nump">$ 787,000<span></span>
</td>
<td class="nump">$ 780,000<span></span>
</td>
</tr>
<tr class="ro">
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<td class="nump">5.00%<span></span>
</td>
<td class="nump">1.00%<span></span>
</td>
<td class="nump">7.00%<span></span>
</td>
<td class="nump">6.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_ProductOrServiceAxis=sotk_MultiAxisCoatingSystemsMember', window );">Multi-Axis Coating Systems</a></td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_Revenues', window );">Sales revenue</a></td>
<td class="nump">$ 1,493,000<span></span>
</td>
<td class="nump">$ 2,721,000<span></span>
</td>
<td class="nump">$ 4,962,000<span></span>
</td>
<td class="nump">$ 6,692,000<span></span>
</td>
</tr>
<tr class="ro">
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<td class="nump">42.00%<span></span>
</td>
<td class="nump">62.00%<span></span>
</td>
<td class="nump">44.00%<span></span>
</td>
<td class="nump">55.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_ProductOrServiceAxis=sotk_OemSystemsMember', window );">OEM Systems</a></td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_Revenues', window );">Sales revenue</a></td>
<td class="nump">$ 503,000<span></span>
</td>
<td class="nump">$ 637,000<span></span>
</td>
<td class="nump">$ 1,819,000<span></span>
</td>
<td class="nump">$ 1,808,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_SalesRevenuePercent', window );">[custom:SalesRevenuePercent]</a></td>
<td class="nump">14.00%<span></span>
</td>
<td class="nump">15.00%<span></span>
</td>
<td class="nump">16.00%<span></span>
</td>
<td class="nump">15.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_ProductOrServiceAxis=sotk_OtherProductLineMember', window );">Other Product Line</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_Revenues', window );">Sales revenue</a></td>
<td class="nump">$ 1,145,000<span></span>
</td>
<td class="nump">$ 897,000<span></span>
</td>
<td class="nump">$ 2,873,000<span></span>
</td>
<td class="nump">$ 2,275,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_SalesRevenuePercent', window );">[custom:SalesRevenuePercent]</a></td>
<td class="nump">32.00%<span></span>
</td>
<td class="nump">20.00%<span></span>
</td>
<td class="nump">25.00%<span></span>
</td>
<td class="nump">19.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_ProductOrServiceAxis=sotk_ProductLineMember', window );">Total Product Line</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_DisaggregationOfRevenueLineItems', window );"><strong>Disaggregation of Revenue [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_Revenues', window );">Sales revenue</a></td>
<td class="nump">$ 3,586,000<span></span>
</td>
<td class="nump">$ 4,419,000<span></span>
</td>
<td class="nump">$ 11,401,000<span></span>
</td>
<td class="nump">$ 12,134,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Percent of Sales Revenue</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="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="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
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<td><strong> Period Type:</strong></td>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839743717216">
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<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVENUE RECOGNITION (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
<th class="th" colspan="1"></th>
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<tr>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Feb. 28, 2022</div></th>
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</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CustomerAdvancesAndDeposits', window );">Cash deposits</a></td>
<td class="nump">$ 1,749,000<span></span>
</td>
<td class="nump">$ 1,168,000<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LineOfCredit', window );">Letter of credit</a></td>
<td class="nump">5,000<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="Show.showAR( this, 'defref_us-gaap_ContractWithCustomerLiabilityRevenueRecognized', window );">Revenue recognized</a></td>
<td class="nump">$ 1,114,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ContractWithCustomerLiabilityRevenueRecognized">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of revenue recognized that was previously included in balance of obligation to transfer good or service to customer for which consideration from customer has been received or is due.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 8<br> -Subparagraph (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=126920106&amp;loc=SL49130549-203045<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ContractWithCustomerLiabilityRevenueRecognized</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CustomerAdvancesAndDeposits">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Refundable consideration, usually cash, held by the entity pending satisfactory completion of the entity's obligations or pending the closing of a contract.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03.15a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126734703&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CustomerAdvancesAndDeposits</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_LineOfCredit">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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 https://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(16))<br> -URI https://asc.fasb.org/extlink&amp;oid=126897435&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(16))<br> -URI https://asc.fasb.org/extlink&amp;oid=126734703&amp;loc=d3e572229-122910<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCredit</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_RevenueFromContractWithCustomerAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerAbstract</td>
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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>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839739408656">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>Schedule of Inventory, Current (Details) - USD ($)<br></strong></div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Feb. 28, 2022</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryDisclosureAbstract', window );"><strong>Inventory Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryRawMaterials', window );">Raw materials and subassemblies</a></td>
<td class="nump">$ 1,875,277<span></span>
</td>
<td class="nump">$ 1,250,589<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryFinishedGoods', window );">Finished goods</a></td>
<td class="nump">648,725<span></span>
</td>
<td class="nump">779,533<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryWorkInProcess', window );">Work in process</a></td>
<td class="nump">736,409<span></span>
</td>
<td class="nump">343,120<span></span>
</td>
</tr>
<tr class="reu">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryNet', window );">Net inventories</a></td>
<td class="nump">$ 3,260,411<span></span>
</td>
<td class="nump">$ 2,373,242<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_InventoryDisclosureAbstract">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</tr>
<tr>
<td style="padding-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_InventoryFinishedGoods">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount before valuation and LIFO reserves of completed merchandise or goods expected to be sold within one year or operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(a)(1))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_InventoryFinishedGoods</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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(6))<br> -URI https://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 210<br> -SubTopic 10<br> -Section 45<br> -Paragraph 1<br> -Subparagraph (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=124098289&amp;loc=d3e6676-107765<br><br>Reference 3: 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 https://asc.fasb.org/extlink&amp;oid=84165509&amp;loc=d3e56426-112766<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(a)(4))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</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_InventoryWorkInProcess">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6)(a)(3))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839743217840">
<tr>
<th class="tl" colspan="1" rowspan="1"><div style="width: 200px;"><strong>INVENTORIES (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Feb. 28, 2022</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryDisclosureAbstract', window );"><strong>Inventory Disclosure [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_InventoryValuationReserves', window );">Allowance for slow moving inventory</a></td>
<td class="nump">$ 312,807<span></span>
</td>
<td class="nump">$ 327,661<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="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td>na</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_InventoryValuationReserves">
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of valuation reserve for inventory.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02(6))<br> -URI https://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 330<br> -SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SAB TOPIC 5.BB)<br> -URI https://asc.fasb.org/extlink&amp;oid=27011343&amp;loc=d3e100047-122729<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839739450208">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STOCK OPTIONS (Details Narrative) - shares<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Options exercised</a></td>
<td class="nump">7,345<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">12,898<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember', window );">Common Stock [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_OptionsExercisedNetCashlessBasis', window );">Options exercised, net cashless basis</a></td>
<td class="nump">9,723<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">16,973<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_StockIssuedDuringPeriodSharesStockOptionsExercised', window );">Options exercised</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">7,500<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_PlanNameAxis=sotk_StockIncentivePlan2013Member', window );">2013 Stock Incentive Plan ("2013 Plan")</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="Show.showAR( this, 'defref_us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems', window );"><strong>Accumulated Other Comprehensive Income (Loss) [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant', window );">Stock options shares available for grants</a></td>
<td class="nump">2,500,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">2,500,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber', window );">Stock options, outstanding</a></td>
<td class="nump">245,745<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">245,745<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares', window );">Stock options, vested</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">83,816<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_sotk_OptionsExercisedNetCashlessBasis">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of share options exercised on a net cashless basis during the current period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">sotk_OptionsExercisedNetCashlessBasis</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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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AccumulatedOtherComprehensiveIncomeLossLineItems</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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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
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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_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(ii)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<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 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(i)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td>instant</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Number of options vested.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares</td>
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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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<a href="javascript:void(0);" onclick="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="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(02)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&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 https://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 https://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 https://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 https://asc.fasb.org/extlink&amp;oid=126973232&amp;loc=d3e21463-112644<br></p></div>
<a href="javascript:void(0);" onclick="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_StockIssuedDuringPeriodSharesStockOptionsExercised</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Balance Type:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_StatementEquityComponentsAxis=us-gaap_CommonStockMember</td>
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<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
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<td><strong> Data Type:</strong></td>
<td>na</td>
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<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
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<tr>
<td><strong> Period Type:</strong></td>
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<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_PlanNameAxis=sotk_StockIncentivePlan2013Member">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_PlanNameAxis=sotk_StockIncentivePlan2013Member</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>
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<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839738206160">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Schedule of weighted-average Black-Scholes assumptions (Details)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
</tr>
<tr><th class="th"><div>Nov. 30, 2022</div></th></tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum', window );">Risk free interest rate, minimum</a></td>
<td class="nump">2.82%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum', window );">Risk free interest rate, maximum</a></td>
<td class="nump">3.93%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum', window );">Expected volatility, minimum</a></td>
<td class="nump">55.02%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum', window );">Expected volatility, maximum</a></td>
<td class="nump">62.01%<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate', window );">Expected dividend yield</a></td>
<td class="nump">0.00%<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember', window );">Share-Based Payment Arrangement, Option [Member] | Minimum [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="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1', window );">Expected life (in years)</a></td>
<td class="text">5 years<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember', window );">Share-Based Payment Arrangement, Option [Member] | Maximum [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="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1', window );">Expected life (in years)</a></td>
<td class="text">8 years<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_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The estimated dividend rate (a percentage of the share price) to be paid (expected dividends) to holders of the underlying shares over the option's term.</p></div>
<a href="javascript:void(0);" onclick="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(iii)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The estimated measure of the maximum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The estimated measure of the minimum percentage by which a share price is expected to fluctuate during a period. Volatility also may be defined as a probability-weighted measure of the dispersion of returns about the mean. The volatility of a share price is the standard deviation of the continuously compounded rates of return on the share over a specified period. That is the same as the standard deviation of the differences in the natural logarithms of the stock prices plus dividends, if any, over the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The maximum risk-free interest rate assumption that is used in valuing an option on its own shares.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The minimum risk-free interest rate assumption that is used in valuing an option on its own shares.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Expected term of award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (f)(2)(i)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:durationItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MinimumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MinimumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_RangeAxis=srt_MaximumMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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</DOCUMENT>
<DOCUMENT>
<TYPE>XML
<SEQUENCE>41
<FILENAME>R30.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839739607968">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>STOCK-BASED COMPENSATION (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Options granted</a></td>
<td class="nump">35,190<span></span>
</td>
<td class="nump">32,215<span></span>
</td>
<td class="nump">31,067<span></span>
</td>
<td class="nump">31,177<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions', window );">Compensation expense yet to be recognized</a></td>
<td class="nump">$ 337,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 337,000<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="Show.showAR( this, 'defref_us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1', window );">Period for compensation expense to be recognized</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">3 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="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensation', window );">Stock-based compensation expense</a></td>
<td class="nump">$ 61,000<span></span>
</td>
<td class="nump">$ 52,000<span></span>
</td>
<td class="nump">$ 173,000<span></span>
</td>
<td class="nump">$ 93,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember', window );">Share-Based Payment Arrangement, Option [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<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="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Options granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">23,225<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="Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember', window );">Share-Based Payment Arrangement, Option [Member] | Minimum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Options, exercisable price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.50<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="Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember', window );">Share-Based Payment Arrangement, Option [Member] | Maximum [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Options, exercisable price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.96<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="Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=us-gaap_ShareBasedPaymentArrangementNonemployeeMember', window );">Share-Based Payment Arrangement, Nonemployee [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="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Options granted</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">16,500<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="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice', window );">Options, exercisable price</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 5.50<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="Show.showAR( this, 'defref_us-gaap_AwardTypeAxis=sotk_EmployeesAndDirectorsMember', window );">Employees And Directors [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems', window );"><strong>Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1', window );">Options, vesting period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">3 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod', window );">Options, expiration period</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">10 years<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue', window );">Weighted average grant date fair value, per share</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">$ 3.34<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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.</p></div>
<a href="javascript:void(0);" onclick="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1</td>
</tr>
<tr>
<td style="padding-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_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of cost to be recognized for option under share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (i)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_ShareBasedCompensation">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of noncash expense for share-based payment arrangement.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div 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 https://asc.fasb.org/extlink&amp;oid=126954810&amp;loc=d3e3602-108585<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensation</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>debit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardLineItems</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(01)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology.</p></div>
<a href="javascript:void(0);" onclick="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (d)(1)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(01)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Period from grant date that an equity-based award expires, 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="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (a)(2)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod</td>
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<td><strong> Balance Type:</strong></td>
<td>na</td>
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<td><strong> Period Type:</strong></td>
<td>duration</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Weighted average remaining contractual term for fully vested and expected to vest exercisable or convertible options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.</p></div>
<a href="javascript:void(0);" onclick="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (e)(2)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_EmployeeStockOptionMember</td>
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<td><strong> Data Type:</strong></td>
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<td><strong> Name:</strong></td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
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<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_RangeAxis=srt_MaximumMember</td>
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<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_AwardTypeAxis=us-gaap_ShareBasedPaymentArrangementNonemployeeMember</td>
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<td><strong> Data Type:</strong></td>
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<a href="javascript:void(0);" onclick="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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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839739646624">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Schedule of Computation of basic and diluted earnings per share (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareAbstract', window );"><strong>Earnings Per Share [Abstract]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
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<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ProfitLoss', window );">Numerator for basic and diluted earnings per share</a></td>
<td class="nump">$ 104,898<span></span>
</td>
<td class="nump">$ 376,169<span></span>
</td>
<td class="nump">$ 572,657<span></span>
</td>
<td class="nump">$ 1,986,745<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic', window );">Denominator for basic earnings per share &#8211; weighted average</a></td>
<td class="nump">15,738,180<span></span>
</td>
<td class="nump">15,622,721<span></span>
</td>
<td class="nump">15,733,284<span></span>
</td>
<td class="nump">15,541,247<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="Show.showAR( this, 'defref_us-gaap_DilutiveSecuritiesAbstract', window );"><strong>Effects of dilutive securities</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="Show.showAR( this, 'defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross', window );">Stock options for employees and directors</a></td>
<td class="nump">35,190<span></span>
</td>
<td class="nump">32,215<span></span>
</td>
<td class="nump">31,067<span></span>
</td>
<td class="nump">31,177<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding', window );">Denominator for diluted earnings per share</a></td>
<td class="nump">15,773,370<span></span>
</td>
<td class="nump">15,654,936<span></span>
</td>
<td class="nump">15,764,351<span></span>
</td>
<td class="nump">15,572,424<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareBasic', window );">Basic earnings per share</a></td>
<td class="nump">$ 0.01<span></span>
</td>
<td class="nump">$ 0.02<span></span>
</td>
<td class="nump">$ 0.04<span></span>
</td>
<td class="nump">$ 0.13<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_EarningsPerShareDiluted', window );">Diluted earnings per share</a></td>
<td class="nump">$ 0.01<span></span>
</td>
<td class="nump">$ 0.02<span></span>
</td>
<td class="nump">$ 0.04<span></span>
</td>
<td class="nump">$ 0.13<span></span>
</td>
</tr>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">- References</a><div><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">- Definition</a><div><p>The amount of net income (loss) for the period per each share of common stock or unit outstanding during the reporting period.</p></div>
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-SubTopic 10<br> -Section S99<br> -Paragraph 2<br> -Subparagraph (SX 210.5-03(25))<br> -URI https://asc.fasb.org/extlink&amp;oid=126953954&amp;loc=SL114868664-224227<br><br>Reference 15: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 2<br> -URI https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=d3e1252-109256<br><br>Reference 16: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 260<br> -SubTopic 10<br> -Section 45<br> -Paragraph 60B<br> -Subparagraph (d)<br> -URI https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=SL5780133-109256<br><br>Reference 17: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 942<br> -SubTopic 220<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-04(27))<br> -URI https://asc.fasb.org/extlink&amp;oid=120399700&amp;loc=SL114874048-224260<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_EarningsPerShareBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:perShareItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_EarningsPerShareDiluted">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ Details</a><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_ProfitLoss">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.</p></div>
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<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ProfitLoss</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 718<br> -SubTopic 10<br> -Section 50<br> -Paragraph 2<br> -Subparagraph (c)(1)(iv)(01)<br> -URI https://asc.fasb.org/extlink&amp;oid=128089324&amp;loc=d3e5070-113901<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><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_WeightedAverageNumberOfDilutedSharesOutstanding">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=d3e1505-109256<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfDilutedSharesOutstanding</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_WeightedAverageNumberOfSharesOutstandingBasic">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="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 https://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 https://asc.fasb.org/extlink&amp;oid=126958026&amp;loc=d3e1448-109256<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_WeightedAverageNumberOfSharesOutstandingBasic</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:sharesItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
</div>
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<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839739644672">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>REVOLVING LINE OF CREDIT (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="1">9 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Feb. 28, 2022</div></th>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember', window );">Revolving Credit Facility [Member]</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity', window );">Revolving line of credit</a></td>
<td class="nump">$ 1,500,000<span></span>
</td>
<td class="nump">$ 1,500,000<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd', window );">Interest rate</a></td>
<td class="nump">7.00%<span></span>
</td>
<td class="nump">3.25%<span></span>
</td>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityDescription', window );">Revolving credit line description</a></td>
<td class="text">The revolving credit line is collateralized by the Company&#8217;s accounts receivable and inventory.
The revolving credit line is payable on demand and must be retired for a 30-day period, once annually. If the Company fails to perform
the 30-day annual pay down or if the bank elects to terminate the credit line, the bank may, at its option, convert the outstanding balance
to a 36-month term note with payments including interest in 36 equal installments.<span></span>
</td>
<td class="text">The revolving credit line is collateralized by the Company&#8217;s accounts receivable and inventory.
The revolving credit line is payable on demand and must be retired for a 30-day period, once annually. If the Company fails to perform
the 30-day annual pay down or if the bank elects to terminate the credit line, the bank may, at its option, convert the outstanding balance
to a 36-month term note with payments including interest in 36 equal installments.<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember', window );">Letter of Credit [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="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityLineItems', window );"><strong>Line of Credit Facility [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="Show.showAR( this, 'defref_sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers', window );">Credit line utilized to collateralize letter of credit issued to customers</a></td>
<td class="nump">$ 5,000<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="Show.showAR( this, 'defref_us-gaap_ShortTermBorrowings', window );">Outstanding borrowings under the line of credit</a></td>
<td class="nump">0<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="Show.showAR( this, 'defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity', window );">Unused portion of credit line</a></td>
<td class="nump">$ 1,495,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount borrowed under the credit facility being utilized to collateralize letters of credit issued to customers for cash deposits on existing orders during the period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">sotk_CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>sotk_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount of current borrowing capacity under the credit facility considering any current restrictions on the amount that could be borrowed (for example, borrowings may be limited by the amount of current assets), but without considering any amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityCurrentBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityDescription">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Description of the terms of a credit facility arrangement. Terms typically include interest rate, collateral required, guarantees required, repayment requirements, and restrictions on use of assets and activities of the entity.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityDescription</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:stringItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>The effective interest rate at the end of the reporting period.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityInterestRateAtPeriodEnd</td>
</tr>
<tr>
<td style="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_LineOfCreditFacilityLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityLineItems</td>
</tr>
<tr>
<td style="padding-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_LineOfCreditFacilityMaximumBorrowingCapacity">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 210<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.5-02.19(b),22(b))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>instant</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ShortTermBorrowings">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Reflects the total carrying amount as of the balance sheet date of debt having initial terms less than one year or the normal operating cycle, if longer.</p></div>
<a href="javascript:void(0);" onclick="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 https://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(19)(a))<br> -URI https://asc.fasb.org/extlink&amp;oid=120391452&amp;loc=d3e13212-122682<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 944<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.7-03(a)(16)(a)(1))<br> -URI https://asc.fasb.org/extlink&amp;oid=126734703&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 942<br> -SubTopic 210<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SX 210.9-03(13))<br> -URI https://asc.fasb.org/extlink&amp;oid=126897435&amp;loc=d3e534808-122878<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ShortTermBorrowings</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>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_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_RevolvingCreditFacilityMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_CreditFacilityAxis=us-gaap_LetterOfCreditMember</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>44
<FILENAME>R33.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
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<body>
<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839739475184">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>Schedule of Customer Concentrations and Foreign Sales (Details) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Nov. 30, 2021</div></th>
<th class="th"><div>Nov. 30, 2020</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
<th class="th"><div>Nov. 30, 2020</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total sales</a></td>
<td class="nump">$ 2,001,000<span></span>
</td>
<td class="nump">$ 3,431,000<span></span>
</td>
<td class="nump">$ 6,225,000<span></span>
</td>
<td class="nump">$ 8,365,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_StatementGeographicalAxis=srt_AsiaPacificMember', window );">Asia Pacific [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="Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total sales</a></td>
<td class="nump">834,000<span></span>
</td>
<td class="nump">1,901,000<span></span>
</td>
<td class="nump">2,367,000<span></span>
</td>
<td class="nump">4,754,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_StatementGeographicalAxis=us-gaap_EMEAMember', window );">EMEA [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="Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total sales</a></td>
<td class="nump">731,000<span></span>
</td>
<td class="nump">1,287,000<span></span>
</td>
<td class="nump">2,557,000<span></span>
</td>
<td class="nump">2,723,000<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_srt_StatementGeographicalAxis=srt_LatinAmericaMember', window );">Latin America [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="Show.showAR( this, 'defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax', window );">Total sales</a></td>
<td class="nump">$ 436,000<span></span>
</td>
<td class="nump">$ 243,000<span></span>
</td>
<td class="nump">$ 1,301,000<span></span>
</td>
<td class="nump">$ 888,000<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.</p></div>
<a href="javascript:void(0);" onclick="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 41<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e9038-108599<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 5<br> -URI https://asc.fasb.org/extlink&amp;oid=126920106&amp;loc=SL49130545-203045<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 (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&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 (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&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 30<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e8906-108599<br><br>Reference 6: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (b)<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e8736-108599<br><br>Reference 7: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 22<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e8736-108599<br><br>Reference 8: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 606<br> -SubTopic 10<br> -Section 50<br> -Paragraph 4<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=126920106&amp;loc=SL49130543-203045<br><br>Reference 9: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e9054-108599<br><br>Reference 10: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 40<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e9031-108599<br><br>Reference 11: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 924<br> -SubTopic 10<br> -Section S99<br> -Paragraph 1<br> -Subparagraph (SAB Topic 11.L)<br> -URI https://asc.fasb.org/extlink&amp;oid=6472922&amp;loc=d3e499488-122856<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_RevenueFromContractWithCustomerIncludingAssessedTax</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>xbrli:monetaryItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>credit</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=srt_AsiaPacificMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=srt_AsiaPacificMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=us-gaap_EMEAMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=us-gaap_EMEAMember</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td></td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td></td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_srt_StatementGeographicalAxis=srt_LatinAmericaMember">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Details</a><div><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">srt_StatementGeographicalAxis=srt_LatinAmericaMember</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>45
<FILENAME>R34.htm
<DESCRIPTION>IDEA: XBRL DOCUMENT
<TEXT>
<html>
<head>
<title></title>
<link rel="stylesheet" type="text/css" href="include/report.css">
<script type="text/javascript" src="Show.js">/* Do Not Remove This Comment */</script><script type="text/javascript">
							function toggleNextSibling (e) {
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<body>
<span style="display: none;">v3.22.4</span><table class="report" border="0" cellspacing="2" id="idm139839737179040">
<tr>
<th class="tl" colspan="1" rowspan="2"><div style="width: 200px;"><strong>CUSTOMER CONCENTRATIONS AND FOREIGN SALES (Details Narrative) - USD ($)<br></strong></div></th>
<th class="th" colspan="2">3 Months Ended</th>
<th class="th" colspan="2">9 Months Ended</th>
<th class="th" colspan="1">12 Months Ended</th>
</tr>
<tr>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
<th class="th"><div>Nov. 30, 2022</div></th>
<th class="th"><div>Nov. 30, 2021</div></th>
<th class="th"><div>Feb. 28, 2022</div></th>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskLineItems', window );"><strong>Concentration Risk [Line Items]</strong></a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Revenues', window );">Sales revenue</a></td>
<td class="nump">$ 3,586,165<span></span>
</td>
<td class="nump">$ 4,419,401<span></span>
</td>
<td class="nump">$ 11,401,029<span></span>
</td>
<td class="nump">$ 12,134,336<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="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByTypeAxis=sotk_ForeignCustomersMember', window );">Foreign Customers | Revenue Benchmark [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="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskLineItems', window );"><strong>Concentration Risk [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>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_Revenues', window );">Sales revenue</a></td>
<td class="nump">$ 2,001,000<span></span>
</td>
<td class="nump">$ 3,431,000<span></span>
</td>
<td class="nump">$ 6,225,000<span></span>
</td>
<td class="nump">$ 8,365,000<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="ro">
<td class="pl custom" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_sotk_SalesRevenuePercent', window );">Sales revenue, percent</a></td>
<td class="nump">56.00%<span></span>
</td>
<td class="nump">78.00%<span></span>
</td>
<td class="nump">55.00%<span></span>
</td>
<td class="nump">69.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember', window );">Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Two Customers [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="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskLineItems', window );"><strong>Concentration Risk [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>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration percentage</a></td>
<td class="nump">21.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">14.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember', window );">Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Threer Customers [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="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskLineItems', window );"><strong>Concentration Risk [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>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">27.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember', window );">Customer Concentration Risk [Member] | Revenue Benchmark [Member] | Six Customers [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="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskLineItems', window );"><strong>Concentration Risk [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>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration percentage</a></td>
<td class="nump">48.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember', window );">Customer Concentration Risk [Member] | Accounts Receivable [Member] | Five Customers [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="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskLineItems', window );"><strong>Concentration Risk [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>
</tr>
<tr class="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">41.00%<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
</tr>
<tr class="rh">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskByTypeAxis=us-gaap_CustomerConcentrationRiskMember', window );">Customer Concentration Risk [Member] | Accounts Receivable [Member] | Three Customers [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="ro">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskLineItems', window );"><strong>Concentration Risk [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>
</tr>
<tr class="re">
<td class="pl" style="border-bottom: 0px;" valign="top"><a class="a" href="javascript:void(0);" onclick="Show.showAR( this, 'defref_us-gaap_ConcentrationRiskPercentage1', window );">Concentration percentage</a></td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="text">&#160;<span></span>
</td>
<td class="nump">41.00%<span></span>
</td>
</tr>
</table>
<div style="display: none;">
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_sotk_SalesRevenuePercent">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>Percent of Sales Revenue</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">sotk_SalesRevenuePercent</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>sotk_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_ConcentrationRiskLineItems">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>No definition available.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskLineItems</td>
</tr>
<tr>
<td style="padding-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_ConcentrationRiskPercentage1">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">- Definition</a><div><p>For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.</p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ References</a><div style="display: none;"><p>Reference 1: http://www.xbrl.org/2003/role/disclosureRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 280<br> -SubTopic 10<br> -Section 50<br> -Paragraph 42<br> -URI https://asc.fasb.org/extlink&amp;oid=126901519&amp;loc=d3e9054-108599<br><br>Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 18<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6351-108592<br><br>Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI https://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13531-108611<br><br>Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 825<br> -SubTopic 10<br> -Section 50<br> -Paragraph 21<br> -Subparagraph (a)<br> -URI https://asc.fasb.org/extlink&amp;oid=123594938&amp;loc=d3e13537-108611<br><br>Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef<br> -Publisher FASB<br> -Name Accounting Standards Codification<br> -Topic 275<br> -SubTopic 10<br> -Section 50<br> -Paragraph 20<br> -URI https://asc.fasb.org/extlink&amp;oid=99393423&amp;loc=d3e6404-108592<br></p></div>
<a href="javascript:void(0);" onclick="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_ConcentrationRiskPercentage1</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
</tr>
<tr>
<td><strong> Data Type:</strong></td>
<td>dtr-types:percentItemType</td>
</tr>
<tr>
<td><strong> Balance Type:</strong></td>
<td>na</td>
</tr>
<tr>
<td><strong> Period Type:</strong></td>
<td>duration</td>
</tr>
</table></div>
</div></td></tr>
</table>
<table border="0" cellpadding="0" cellspacing="0" class="authRefData" style="display: none;" id="defref_us-gaap_Revenues">
<tr><td class="hide"><a style="color: white;" href="javascript:void(0);" onclick="Show.hideAR();">X</a></td></tr>
<tr><td><div class="body" style="padding: 2px;">
<a href="javascript:void(0);" onclick="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="Show.toggleNext( this );">+ Details</a><div style="display: none;"><table border="0" cellpadding="0" cellspacing="0">
<tr>
<td><strong> Name:</strong></td>
<td style="white-space:nowrap;">us-gaap_Revenues</td>
</tr>
<tr>
<td style="padding-right: 4px;white-space:nowrap;"><strong> Namespace Prefix:</strong></td>
<td>us-gaap_</td>
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    <us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_807_eus-gaap--BusinessDescriptionAndBasisOfPresentationTextBlock_zt4wN4JjwV06" style="font: 10pt Cambria,serif; margin: 0 0 0 0.5in; text-align: justify; text-indent: -0.5in"&gt;&lt;b&gt;NOTE 1: &lt;span id="xdx_824_zOsYu1CC409a"&gt;BUSINESS DESCRIPTION&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;Sono-Tek Corporation (the &#x201c;Company&#x201d;, &#x201c;Sono-Tek&#x201d;, &#x201c;We&#x201d;
or &#x201c;Our&#x201d;) was incorporated in New York on March 21, 1975. We are the world leader in the design and manufacture of ultrasonic
coating systems for applying precise, thin film coatings to add functional properties, protect or strengthen surfaces on parts and components
for the microelectronics/electronics, alternative energy, medical, industrial and emerging research &amp;amp; development/other markets. We
design and manufacture custom-engineered ultrasonic coating systems incorporating our patented technology, in combination with strong
applications engineering knowledge, to assist our customers in achieving their desired coating solutions.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The accompanying unaudited condensed consolidated financial statements have been prepared
in accordance with accounting principles generally accepted in the United States (&#x201c;GAAP&#x201d;) for interim financial information
with the instructions for Form 10-Q and Article 8 of Regulation S-X. Accordingly, the unaudited condensed consolidated financial statements
do not include all of the information and footnotes required by GAAP for complete financial statements. In the opinion of the Company&#x2019;s
management, all adjustments considered necessary for a fair presentation (consisting of normal recurring adjustments) have been included.
The results for the interim periods are not necessarily indicative of what the results will be for the fiscal year. The accompanying unaudited
condensed consolidated financial statements should be read in conjunction with the audited Consolidated Financial Statements as of and
for the fiscal year ended February 28, 2022 (&#x201c;fiscal year 2022&#x201d;) contained in the Company&#x2019;s 2022 Annual Report on Form
10-K filed with the SEC on May 24, 2022. The Company&#x2019;s current fiscal year ends on February 28, 2023 (&#x201c;fiscal 2023&#x201d;).&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

</us-gaap:BusinessDescriptionAndBasisOfPresentationTextBlock>
    <us-gaap:SignificantAccountingPoliciesTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_808_eus-gaap--SignificantAccountingPoliciesTextBlock_zOGp1Bndb6w" style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&lt;b&gt;NOTE 2: &lt;span id="xdx_824_zNBCavqGOVhd"&gt;SIGNIFICANT ACCOUNTING POLICIES&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_84A_eus-gaap--ConsolidationPolicyTextBlock_z9SYKyAgfP7l" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_86F_zpMjGt2HCfmb"&gt;Consolidation&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The accompanying unaudited condensed consolifdated financial
statements of the Company include the accounts of the Company and its wholly owned subsidiary, Sono-Tek Industrial Park, LLC (&#x201c;SIP&#x201d;)
in conformity with generally accepted accounting principles in the United States (&#x201c;GAAP&#x201d;). SIP operates as a real estate holding
company for the Company&#x2019;s real estate operations. All intercompany accounts and transactions have been eliminated in consolidation.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_84C_eus-gaap--FairValueOfFinancialInstrumentsPolicy_zfrUkDClG951" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_865_zuypEkFerqB4"&gt;Fair Value of Financial Instruments&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The Company applies Accounting Standards
Codification (&#x201c;ASC&#x201d;) 820,&#160;&lt;i&gt;Fair Value Measurement&#160;&lt;/i&gt;(&#x201c;ASC 820&#x201d;), which establishes a framework for
measuring fair value and clarifies the definition of fair value within that framework. ASC 820 defines fair value as an exit price, which
is the price that would be received for an asset or paid to transfer a liability in the Company&#x2019;s principal or most advantageous
market in an orderly transaction between market participants on the measurement date. The fair value hierarchy established in ASC 820
generally requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair
value. Observable inputs reflect the assumptions that market participants would use in pricing the asset or liability and are developed
based on market data obtained from sources independent of the reporting entity. Unobservable inputs reflect the entity&#x2019;s own assumptions
based on market data and the entity&#x2019;s judgments about the assumptions that market participants would use in pricing the asset or
liability and are to be developed based on the best information available in the circumstances.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The carrying amounts of financial instruments reported in the accompanying unaudited condensed
consolidated financial statements for current assets and current liabilities approximate the fair value because of the immediate or short-term
maturities of the financial instruments.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The valuation hierarchy is composed of three levels. The classification within the valuation
hierarchy is based on the lowest level of input that is significant to the fair value measurement. The levels within the valuation hierarchy
are described below:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;Level 1 &#x2014; Assets and liabilities with unadjusted, quoted prices listed on active
market exchanges. Inputs to the fair value measurement are observable inputs, such as quoted prices in active markets for identical assets
or liabilities.&lt;/p&gt;




&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;Level 2 &#x2014; Inputs to the fair value measurement are determined using prices for recently
traded assets and liabilities with similar underlying terms, as well as direct or indirect observable inputs, such as interest rates and
yield curves that are observable at commonly quoted intervals.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;Level 3 &#x2014; Inputs to the fair value measurement are unobservable inputs, such as estimates,
assumptions, and valuation techniques when little or no market data exists for the assets or liabilities.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_89A_eus-gaap--FairValueAssetsMeasuredOnRecurringBasisTextBlock_zJQDaNgDDJs1" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white"&gt;The fair values of financial assets of the
Company were determined using the following categories at November 30, 2022 and February 28, 2022, respectively:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; background-color: white"&gt;&lt;span id="xdx_8BC_zuNIIUpI71D" style="display: none"&gt;Schedule of Significant Accounting Policies - Fair values of
financial assets of the Company&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%"&gt;
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    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Level 3&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Total&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 44%; padding-bottom: 2.5pt"&gt;Marketable Securities &#x2013; November 30, 2022&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel1Member_z5Lic8qtRoW6" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;7,921,225&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel2Member_zcc0YSSnowS6" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;152,068&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zSLk9jRO2iz4" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0506"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130_z4yOXBDn9qi4" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;8,073,293&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; 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 style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;Marketable Securities &#x2013; February 28, 2022&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel1Member_zPj0YBDRjZSk" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;5,716,338&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel2Member_z7dgNQl1obP1" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;151,652&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zwq0MvWqZKf1" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0514"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228_z85ZrtbLbath" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;5,867,990&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A8_zvVSrdt6Je83" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; background-color: white"&gt;Marketable Securities include mutual funds, certificates of deposit
and US Treasury securities, totaling $8,073,293 and $5,867,990 that are considered to be highly liquid and easily tradeable as of November
30, 2022 and February 28, 2022, respectively. Mutual funds and US Treasury securities are valued using inputs observable in active markets
for identical securities and are therefore classified as Level&#160;1 and certificates of deposit are classified as Level 2 within the
Company&#x2019;s fair value hierarchy.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; background-color: white"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_844_eus-gaap--IncomeTaxPolicyTextBlock_zBXVVGUHRYJb" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_86B_z8KT6pCb4R2d"&gt;Income Taxes&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The Company accounts for income taxes under the asset and
liability method. Under this method, deferred income taxes are recognized for the tax consequences of "temporary differences"
by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts and
the tax basis of existing assets and liabilities. If it is more likely than not that some portion or all of a deferred tax asset will
not be realized, a valuation allowance is recognized. The Company uses a recognition threshold and a measurement attribute for financial
statement recognition and measurement of tax positions taken or expected to be taken in a return. For those benefits to be recognized,
a tax position must be more likely than not to be sustained upon examination by taxing authorities. As of November 30, 2022 and February
28, 2022, there were no accruals for uncertain tax positions.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p id="xdx_84B_eus-gaap--InventoryPolicyTextBlock_zqPJ1nMDMGwd" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span style="background-color: white"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_86C_zyaeEipS77i9"&gt;Inventories&lt;/span&gt;&lt;/i&gt;&lt;/b&gt;&#160;- Inventories are
stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out (FIFO) method for raw materials,
subassemblies and work-in-progress and the specific identification method for finished goods. Management compares the cost of inventory
with the net realizable value and, if applicable, an allowance is made for writing down the inventory to its net realizable value, if
lower than cost. On an ongoing basis, inventory is reviewed for potential write-down for estimated obsolescence or unmarketable inventory
based upon forecasts for future demand and market conditions.&lt;/span&gt;&lt;/p&gt;
&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p id="xdx_843_eus-gaap--UseOfEstimates_z0xlYph1M9p4" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_862_zjCy7nPg1Oeb"&gt;Management Estimates&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The preparation of the unaudited condensed consolidated
financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of
assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial
statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p id="xdx_848_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zDSue9uOO4ml" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_860_zymvvjPYpDV7"&gt;New Accounting Pronouncements&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - In June 2016, the FASB issued ASU 2016-13
- Financial Instruments-Credit Losses-Measurement of Credit Losses on Financial Instruments. Codification Improvements to Topic 326, Financial
Instruments &#x2013; Credit Losses, have been released in November 2018 (2018-19), November 2019 (2019-10 and 2019-11) and a January 2020
Update (2020-02) that provided additional guidance on this Topic. This guidance replaces the current incurred loss impairment methodology
with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information
to inform credit loss estimates. For SEC filers meeting certain criteria, the amendments in this ASU are effective for fiscal years, and
interim periods within those fiscal years, beginning after December 15, 2019. For SEC filers that meet the criteria of a smaller reporting
company (including this Company) and for non-SEC registrant public companies and other organizations, the amendments in this ASU are effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. Early adoption will be permitted for
all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The Company is currently
in the process of its analysis of the impact of this guidance on its consolidated financial statements and does not expect the adoption
of this guidance to have a material impact on the Company&#x2019;s consolidated financial statements.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;Other than Accounting Standards Update ASU 2016-13 discussed above, all new accounting
pronouncements issued but not yet effective have been deemed to be not applicable to the Company. Hence, the adoption of these new accounting
pronouncements, once effective, is not expected to have an impact on the Company.&lt;/p&gt;




&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p id="xdx_840_eus-gaap--StandardProductWarrantyPolicy_zoSHzZFjMKpk" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_869_zVLkxmXwxRQa"&gt;Product Warranty&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - Expected future product warranty expense is recorded when
the product is sold.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_84C_eus-gaap--RevenueRecognitionPolicyTextBlock_zIFO9z1rmKj3" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_869_zUQpvRQWIA62"&gt;Revenue Recognition&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The Company recognizes revenue in
accordance with ASC 606, Revenue from Contracts with Customers, the core principle of which is that an entity should recognize
revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the
entity expects to be entitled to receive in exchange for those goods or services. To determine revenue recognition for arrangements
that the Company determines are within the scope of ASC 606, the Company performs the following five steps:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font-size: 10pt"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 24px"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 24px; font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Identification of the contract, or contracts, with a customer&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Identification of the performance obligations in the contract&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Determination of the transaction price&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Allocation of the transaction price to the performance obligations in the contract&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Recognition of revenue when, or as, performance obligations are satisfied&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_845_ecustom--UncertaintiesPolicyTextBlock_zrjUsKWivWNg" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_867_zfPfMMj9M7gf"&gt;Uncertainties&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - Since early 2020, when the World Health Organization
established the transmissible and pathogenic coronavirus a global pandemic, there have been business slowdowns. The outbreak of such
a communicable disease has resulted in a widespread health crisis which has adversely affected general commercial activity and the
economies and financial markets of many countries, including the United States. As the outbreak of the disease has continued through
fiscal 2022 and into fiscal 2023, the measures taken by the governments of impacted countries have, at times, adversely affected the
Company&#x2019;s business, financial condition, and results of operations. Pandemic related supply shortages and increased energy
expenses resulting from the war in Ukraine have recently created worldwide inflationary pressures which may have a material adverse
effect on the Company's business, financial condition, and results of operations if such factors continue unabated.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;We have encountered challenges in our supply of various materials and components, and electronic
components in particular, due to well-documented shortages and constraints in the global supply chain. Lead times for ordered components
may vary significantly, and some components used to manufacture our products are provided by a limited number of sources. We have experienced
lengthened lead times throughout our supply chain as a result of supply chain constraints and material shortages that have occurred in
the recent months, and may continue through fiscal year 2023. This has been exacerbated by the recent resurgence of the COVID-19 pandemic
in certain parts of China, which has resulted in the temporary closure of manufacturing facilities, including those that manufacture electronic
parts that we include in our products.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

</us-gaap:SignificantAccountingPoliciesTextBlock>
    <us-gaap:ConsolidationPolicyTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_84A_eus-gaap--ConsolidationPolicyTextBlock_z9SYKyAgfP7l" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_86F_zpMjGt2HCfmb"&gt;Consolidation&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The accompanying unaudited condensed consolifdated financial
statements of the Company include the accounts of the Company and its wholly owned subsidiary, Sono-Tek Industrial Park, LLC (&#x201c;SIP&#x201d;)
in conformity with generally accepted accounting principles in the United States (&#x201c;GAAP&#x201d;). SIP operates as a real estate holding
company for the Company&#x2019;s real estate operations. All intercompany accounts and transactions have been eliminated in consolidation.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

</us-gaap:ConsolidationPolicyTextBlock>
    <us-gaap:FairValueOfFinancialInstrumentsPolicy contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_84C_eus-gaap--FairValueOfFinancialInstrumentsPolicy_zfrUkDClG951" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_865_zuypEkFerqB4"&gt;Fair Value of Financial Instruments&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The Company applies Accounting Standards
Codification (&#x201c;ASC&#x201d;) 820,&#160;&lt;i&gt;Fair Value Measurement&#160;&lt;/i&gt;(&#x201c;ASC 820&#x201d;), which establishes a framework for
measuring fair value and clarifies the definition of fair value within that framework. ASC 820 defines fair value as an exit price, which
is the price that would be received for an asset or paid to transfer a liability in the Company&#x2019;s principal or most advantageous
market in an orderly transaction between market participants on the measurement date. The fair value hierarchy established in ASC 820
generally requires an entity to maximize the use of observable inputs and minimize the use of unobservable inputs when measuring fair
value. Observable inputs reflect the assumptions that market participants would use in pricing the asset or liability and are developed
based on market data obtained from sources independent of the reporting entity. Unobservable inputs reflect the entity&#x2019;s own assumptions
based on market data and the entity&#x2019;s judgments about the assumptions that market participants would use in pricing the asset or
liability and are to be developed based on the best information available in the circumstances.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The carrying amounts of financial instruments reported in the accompanying unaudited condensed
consolidated financial statements for current assets and current liabilities approximate the fair value because of the immediate or short-term
maturities of the financial instruments.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The valuation hierarchy is composed of three levels. The classification within the valuation
hierarchy is based on the lowest level of input that is significant to the fair value measurement. The levels within the valuation hierarchy
are described below:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;Level 1 &#x2014; Assets and liabilities with unadjusted, quoted prices listed on active
market exchanges. Inputs to the fair value measurement are observable inputs, such as quoted prices in active markets for identical assets
or liabilities.&lt;/p&gt;




&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;Level 2 &#x2014; Inputs to the fair value measurement are determined using prices for recently
traded assets and liabilities with similar underlying terms, as well as direct or indirect observable inputs, such as interest rates and
yield curves that are observable at commonly quoted intervals.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;Level 3 &#x2014; Inputs to the fair value measurement are unobservable inputs, such as estimates,
assumptions, and valuation techniques when little or no market data exists for the assets or liabilities.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_89A_eus-gaap--FairValueAssetsMeasuredOnRecurringBasisTextBlock_zJQDaNgDDJs1" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white"&gt;The fair values of financial assets of the
Company were determined using the following categories at November 30, 2022 and February 28, 2022, respectively:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; background-color: white"&gt;&lt;span id="xdx_8BC_zuNIIUpI71D" style="display: none"&gt;Schedule of Significant Accounting Policies - Fair values of
financial assets of the Company&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Level 1&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Level 2&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Level 3&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Total&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 44%; padding-bottom: 2.5pt"&gt;Marketable Securities &#x2013; November 30, 2022&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel1Member_z5Lic8qtRoW6" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;7,921,225&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel2Member_zcc0YSSnowS6" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;152,068&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zSLk9jRO2iz4" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0506"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130_z4yOXBDn9qi4" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;8,073,293&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; 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 style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;Marketable Securities &#x2013; February 28, 2022&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel1Member_zPj0YBDRjZSk" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;5,716,338&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel2Member_z7dgNQl1obP1" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;151,652&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zwq0MvWqZKf1" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0514"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228_z85ZrtbLbath" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;5,867,990&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A8_zvVSrdt6Je83" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; background-color: white"&gt;Marketable Securities include mutual funds, certificates of deposit
and US Treasury securities, totaling $8,073,293 and $5,867,990 that are considered to be highly liquid and easily tradeable as of November
30, 2022 and February 28, 2022, respectively. Mutual funds and US Treasury securities are valued using inputs observable in active markets
for identical securities and are therefore classified as Level&#160;1 and certificates of deposit are classified as Level 2 within the
Company&#x2019;s fair value hierarchy.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; background-color: white"&gt;&#160;&lt;/p&gt;

</us-gaap:FairValueOfFinancialInstrumentsPolicy>
    <us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_89A_eus-gaap--FairValueAssetsMeasuredOnRecurringBasisTextBlock_zJQDaNgDDJs1" style="font: 10pt Cambria,serif; margin: 0; text-align: justify; background-color: white"&gt;The fair values of financial assets of the
Company were determined using the following categories at November 30, 2022 and February 28, 2022, respectively:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; background-color: white"&gt;&lt;span id="xdx_8BC_zuNIIUpI71D" style="display: none"&gt;Schedule of Significant Accounting Policies - Fair values of
financial assets of the Company&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Level 1&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Level 2&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Level 3&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 9pt Cambria,serif; text-align: center"&gt;Total&lt;/td&gt;&lt;td style="font: bold 9pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 44%; padding-bottom: 2.5pt"&gt;Marketable Securities &#x2013; November 30, 2022&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel1Member_z5Lic8qtRoW6" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;7,921,225&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98E_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel2Member_zcc0YSSnowS6" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;152,068&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zSLk9jRO2iz4" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0506"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20221130_z4yOXBDn9qi4" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right" title="Marketable Securities"&gt;8,073,293&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; 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 style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;Marketable Securities &#x2013; February 28, 2022&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel1Member_zPj0YBDRjZSk" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;5,716,338&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel2Member_z7dgNQl1obP1" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;151,652&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228__us-gaap--FairValueByFairValueHierarchyLevelAxis__us-gaap--FairValueInputsLevel3Member_zwq0MvWqZKf1" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0514"&gt;&#x2014;&lt;/span&gt;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_981_eus-gaap--MarketableSecuritiesCurrent_iI_pp0p0_c20220228_z85ZrtbLbath" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Marketable Securities"&gt;5,867,990&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:FairValueAssetsMeasuredOnRecurringBasisTextBlock>
    <us-gaap:MarketableSecuritiesCurrent
      contextRef="AsOf2022-11-30_us-gaap_FairValueInputsLevel1Member"
      decimals="0"
      unitRef="USD">7921225</us-gaap:MarketableSecuritiesCurrent>
    <us-gaap:MarketableSecuritiesCurrent
      contextRef="AsOf2022-11-30_us-gaap_FairValueInputsLevel2Member"
      decimals="0"
      unitRef="USD">152068</us-gaap:MarketableSecuritiesCurrent>
    <us-gaap:MarketableSecuritiesCurrent contextRef="AsOf2022-11-30" decimals="0" unitRef="USD">8073293</us-gaap:MarketableSecuritiesCurrent>
    <us-gaap:MarketableSecuritiesCurrent
      contextRef="AsOf2022-02-28_us-gaap_FairValueInputsLevel1Member"
      decimals="0"
      unitRef="USD">5716338</us-gaap:MarketableSecuritiesCurrent>
    <us-gaap:MarketableSecuritiesCurrent
      contextRef="AsOf2022-02-28_us-gaap_FairValueInputsLevel2Member"
      decimals="0"
      unitRef="USD">151652</us-gaap:MarketableSecuritiesCurrent>
    <us-gaap:MarketableSecuritiesCurrent contextRef="AsOf2022-02-28" decimals="0" unitRef="USD">5867990</us-gaap:MarketableSecuritiesCurrent>
    <us-gaap:IncomeTaxPolicyTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_844_eus-gaap--IncomeTaxPolicyTextBlock_zBXVVGUHRYJb" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_86B_z8KT6pCb4R2d"&gt;Income Taxes&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The Company accounts for income taxes under the asset and
liability method. Under this method, deferred income taxes are recognized for the tax consequences of "temporary differences"
by applying enacted statutory tax rates applicable to future years to differences between the financial statement carrying amounts and
the tax basis of existing assets and liabilities. If it is more likely than not that some portion or all of a deferred tax asset will
not be realized, a valuation allowance is recognized. The Company uses a recognition threshold and a measurement attribute for financial
statement recognition and measurement of tax positions taken or expected to be taken in a return. For those benefits to be recognized,
a tax position must be more likely than not to be sustained upon examination by taxing authorities. As of November 30, 2022 and February
28, 2022, there were no accruals for uncertain tax positions.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;

</us-gaap:IncomeTaxPolicyTextBlock>
    <us-gaap:InventoryPolicyTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_84B_eus-gaap--InventoryPolicyTextBlock_zqPJ1nMDMGwd" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span style="background-color: white"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_86C_zyaeEipS77i9"&gt;Inventories&lt;/span&gt;&lt;/i&gt;&lt;/b&gt;&#160;- Inventories are
stated at the lower of cost or net realizable value. Cost is determined using the first-in, first-out (FIFO) method for raw materials,
subassemblies and work-in-progress and the specific identification method for finished goods. Management compares the cost of inventory
with the net realizable value and, if applicable, an allowance is made for writing down the inventory to its net realizable value, if
lower than cost. On an ongoing basis, inventory is reviewed for potential write-down for estimated obsolescence or unmarketable inventory
based upon forecasts for future demand and market conditions.&lt;/span&gt;&lt;/p&gt;
&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;

</us-gaap:InventoryPolicyTextBlock>
    <us-gaap:UseOfEstimates contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_843_eus-gaap--UseOfEstimates_z0xlYph1M9p4" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_862_zjCy7nPg1Oeb"&gt;Management Estimates&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The preparation of the unaudited condensed consolidated
financial statements in conformity with GAAP requires management to make estimates and assumptions that affect the reported amounts of
assets and liabilities and disclosure of contingent assets and liabilities at the date of the unaudited condensed consolidated financial
statements and the reported amounts of revenues and expenses during the reporting period. Actual results could differ from those estimates.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;

</us-gaap:UseOfEstimates>
    <us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_848_eus-gaap--NewAccountingPronouncementsPolicyPolicyTextBlock_zDSue9uOO4ml" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_860_zymvvjPYpDV7"&gt;New Accounting Pronouncements&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - In June 2016, the FASB issued ASU 2016-13
- Financial Instruments-Credit Losses-Measurement of Credit Losses on Financial Instruments. Codification Improvements to Topic 326, Financial
Instruments &#x2013; Credit Losses, have been released in November 2018 (2018-19), November 2019 (2019-10 and 2019-11) and a January 2020
Update (2020-02) that provided additional guidance on this Topic. This guidance replaces the current incurred loss impairment methodology
with a methodology that reflects expected credit losses and requires consideration of a broader range of reasonable and supportable information
to inform credit loss estimates. For SEC filers meeting certain criteria, the amendments in this ASU are effective for fiscal years, and
interim periods within those fiscal years, beginning after December 15, 2019. For SEC filers that meet the criteria of a smaller reporting
company (including this Company) and for non-SEC registrant public companies and other organizations, the amendments in this ASU are effective
for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2022. Early adoption will be permitted for
all organizations for fiscal years, and interim periods within those fiscal years, beginning after December 15, 2019. The Company is currently
in the process of its analysis of the impact of this guidance on its consolidated financial statements and does not expect the adoption
of this guidance to have a material impact on the Company&#x2019;s consolidated financial statements.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;Other than Accounting Standards Update ASU 2016-13 discussed above, all new accounting
pronouncements issued but not yet effective have been deemed to be not applicable to the Company. Hence, the adoption of these new accounting
pronouncements, once effective, is not expected to have an impact on the Company.&lt;/p&gt;




&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&#160;&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;

</us-gaap:NewAccountingPronouncementsPolicyPolicyTextBlock>
    <us-gaap:StandardProductWarrantyPolicy contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_840_eus-gaap--StandardProductWarrantyPolicy_zoSHzZFjMKpk" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_869_zVLkxmXwxRQa"&gt;Product Warranty&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - Expected future product warranty expense is recorded when
the product is sold.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

</us-gaap:StandardProductWarrantyPolicy>
    <us-gaap:RevenueRecognitionPolicyTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_84C_eus-gaap--RevenueRecognitionPolicyTextBlock_zIFO9z1rmKj3" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_869_zUQpvRQWIA62"&gt;Revenue Recognition&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - The Company recognizes revenue in
accordance with ASC 606, Revenue from Contracts with Customers, the core principle of which is that an entity should recognize
revenue to depict the transfer of promised goods or services to customers in an amount that reflects the consideration to which the
entity expects to be entitled to receive in exchange for those goods or services. To determine revenue recognition for arrangements
that the Company determines are within the scope of ASC 606, the Company performs the following five steps:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; font-size: 10pt"&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td style="width: 24px"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 24px; font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Identification of the contract, or contracts, with a customer&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Identification of the performance obligations in the contract&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Determination of the transaction price&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Allocation of the transaction price to the performance obligations in the contract&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: top"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-family: Symbol"&gt;&#xb7;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;Recognition of revenue when, or as, performance obligations are satisfied&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

</us-gaap:RevenueRecognitionPolicyTextBlock>
    <sotk:UncertaintiesPolicyTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_845_ecustom--UncertaintiesPolicyTextBlock_zrjUsKWivWNg" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&lt;i&gt;&lt;span id="xdx_867_zfPfMMj9M7gf"&gt;Uncertainties&lt;/span&gt;&lt;/i&gt;&lt;/b&gt; - Since early 2020, when the World Health Organization
established the transmissible and pathogenic coronavirus a global pandemic, there have been business slowdowns. The outbreak of such
a communicable disease has resulted in a widespread health crisis which has adversely affected general commercial activity and the
economies and financial markets of many countries, including the United States. As the outbreak of the disease has continued through
fiscal 2022 and into fiscal 2023, the measures taken by the governments of impacted countries have, at times, adversely affected the
Company&#x2019;s business, financial condition, and results of operations. Pandemic related supply shortages and increased energy
expenses resulting from the war in Ukraine have recently created worldwide inflationary pressures which may have a material adverse
effect on the Company's business, financial condition, and results of operations if such factors continue unabated.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;We have encountered challenges in our supply of various materials and components, and electronic
components in particular, due to well-documented shortages and constraints in the global supply chain. Lead times for ordered components
may vary significantly, and some components used to manufacture our products are provided by a limited number of sources. We have experienced
lengthened lead times throughout our supply chain as a result of supply chain constraints and material shortages that have occurred in
the recent months, and may continue through fiscal year 2023. This has been exacerbated by the recent resurgence of the COVID-19 pandemic
in certain parts of China, which has resulted in the temporary closure of manufacturing facilities, including those that manufacture electronic
parts that we include in our products.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

</sotk:UncertaintiesPolicyTextBlock>
    <us-gaap:RevenueFromContractWithCustomerTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_808_eus-gaap--RevenueFromContractWithCustomerTextBlock_zqeJ1XEqQeS3" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;NOTE 3: &lt;span id="xdx_82B_zXR8m4oEFXa9"&gt;REVENUE RECOGNITION&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;A majority of the Company&#x2019;s sales revenue is derived primarily from short term contracts
with customers which are primarily in effect for less than twelve months. Sales revenue from manufactured equipment transferred at a single
point in time accounts for a majority of the Company&#x2019;s revenue.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;Sales revenue is recognized when control of the Company&#x2019;s manufactured equipment
is transferred to its customers, in an amount that reflects the consideration the Company expects to receive based upon the agreed transaction
price. The Company&#x2019;s performance obligations are satisfied when its customers take control of the purchased equipment, which is
based on the contract terms. Based on prior experience, the Company reasonably estimates its sales returns and warranty reserves. Sales
are presented net of discounts and allowances. Discounts and allowances are determined when a sale is negotiated. The Company does not
grant its customers or independent representatives, the ability to return equipment nor does it grant price adjustments after a sale is
complete.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The Company does not capitalize any sales commission costs related to the acquisition of
a contract. All commissions related to a performance obligation that are satisfied at a point in time are expensed when the customer takes
control of the purchased equipment.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The Company applies the practical expedient in paragraph ASC 606-10-50-14 and does not
disclose information about remaining performance obligations that have original expected durations of one-year or less.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;At November 30, 2022, the Company had received $&lt;span id="xdx_90D_eus-gaap--CustomerAdvancesAndDeposits_iI_pp0p0_c20221130_zS6JylFrIao9" title="Cash deposits"&gt;1,749,000&lt;/span&gt; in cash deposits, and had issued
Letters of Credit in the amount of $&lt;span id="xdx_903_eus-gaap--LineOfCredit_iI_pp0p0_c20221130_z7ZfSIsTohU" title="Letter of credit"&gt;5,000&lt;/span&gt; to secure these cash deposits.&lt;/p&gt;




&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;At February 28, 2022, the Company had received $&lt;span id="xdx_908_eus-gaap--CustomerAdvancesAndDeposits_iI_pp0p0_c20220228_ziHHLqRwUNc9" title="Cash deposits"&gt;1,168,000&lt;/span&gt; in cash deposits for customer
orders. During the nine months ended November 30, 2022, the Company recognized $&lt;span id="xdx_907_eus-gaap--ContractWithCustomerLiabilityRevenueRecognized_pp0p0_c20220301__20221130_zfalwDGYJGF7" title="Revenue recognized"&gt;1,114,000&lt;/span&gt; of these deposits as revenue.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; text-align: justify"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_895_eus-gaap--ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock_z2ZXuOodbwQd" style="font: 10pt Cambria,serif; margin: 0; text-align: justify"&gt;The Company&#x2019;s sales revenue by product line is as follows:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; text-align: justify"&gt;&lt;span style="display: none"&gt;&lt;span id="xdx_8B3_zWN6Oy9dgB29"&gt;Schedule of Revenue Recognition - Sales Revenue by Product Line&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse; font-size: 9pt"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="9" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;Three Months Ended &lt;br/&gt;
November&#160;30,&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="9" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;Nine Months Ended &lt;br/&gt;
November&#160;30,&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;2022&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;% of total&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;2022&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;% of total&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;2021&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;% of total&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;2021&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;% of total&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="width: 24%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;Fluxing Systems&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_982_eus-gaap--Revenues_pp0p0_c20220901__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_zKJM0ax4Pu09" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;252,000&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right"&gt;7%&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_985_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;104,000&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right"&gt;2%&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;960,000&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_981_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right"&gt;8%&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;579,000&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_980_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right"&gt;5%&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;Integrated Coating Systems&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;193,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;5%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;60,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98F_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;1%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;787,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;7%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_981_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;780,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_984_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;6%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;Multi-Axis Coating Systems&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_988_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;1,493,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;42%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98E_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;2,721,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_981_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;62%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;4,962,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;44%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;6,692,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;55%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;OEM Systems&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;503,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;14%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;637,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98F_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;15%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;1,819,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;16%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_981_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;1,808,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;15%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;Other&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_982_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;1,145,000&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right"&gt;32%&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_980_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;897,000&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right"&gt;20%&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;2,873,000&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98F_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right"&gt;25%&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;2,275,000&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right"&gt;19%&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;TOTAL&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_982_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;3,586,000&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98D_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;4,419,000&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;11,401,000&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;12,134,000&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
&lt;p id="xdx_8AB_zYZOsIr5LAEc" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

</us-gaap:RevenueFromContractWithCustomerTextBlock>
    <us-gaap:CustomerAdvancesAndDeposits contextRef="AsOf2022-11-30" decimals="0" unitRef="USD">1749000</us-gaap:CustomerAdvancesAndDeposits>
    <us-gaap:LineOfCredit contextRef="AsOf2022-11-30" decimals="0" unitRef="USD">5000</us-gaap:LineOfCredit>
    <us-gaap:CustomerAdvancesAndDeposits contextRef="AsOf2022-02-28" decimals="0" unitRef="USD">1168000</us-gaap:CustomerAdvancesAndDeposits>
    <us-gaap:ContractWithCustomerLiabilityRevenueRecognized
      contextRef="From2022-03-01to2022-11-30"
      decimals="0"
      unitRef="USD">1114000</us-gaap:ContractWithCustomerLiabilityRevenueRecognized>
    <us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_895_eus-gaap--ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock_z2ZXuOodbwQd" style="font: 10pt Cambria,serif; margin: 0; text-align: justify"&gt;The Company&#x2019;s sales revenue by product line is as follows:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0; text-align: justify"&gt;&lt;span style="display: none"&gt;&lt;span id="xdx_8B3_zWN6Oy9dgB29"&gt;Schedule of Revenue Recognition - Sales Revenue by Product Line&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="width: 100%; border-collapse: collapse; font-size: 9pt"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="9" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;Three Months Ended &lt;br/&gt;
November&#160;30,&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="9" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;Nine Months Ended &lt;br/&gt;
November&#160;30,&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;2022&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;% of total&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;2022&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;% of total&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;2021&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;% of total&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;2021&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: center"&gt;&lt;span style="font-size: 8pt"&gt;&lt;b&gt;% of total&lt;/b&gt;&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="width: 24%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;Fluxing Systems&lt;/span&gt;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_982_eus-gaap--Revenues_pp0p0_c20220901__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_zKJM0ax4Pu09" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;252,000&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right"&gt;7%&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_985_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;104,000&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right"&gt;2%&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;960,000&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_981_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right"&gt;8%&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pp0p0" style="width: 7%; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;579,000&lt;/td&gt;
    &lt;td style="width: 2%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_980_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--FluxingSystemsMember_pdd" style="width: 7%; font-family: Cambria,serif; text-align: right"&gt;5%&lt;/td&gt;
    &lt;td style="width: 1%; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;Integrated Coating Systems&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;193,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;5%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;60,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98F_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;1%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;787,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;7%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_981_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;780,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_984_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--IntegratedCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;6%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;Multi-Axis Coating Systems&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_988_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;1,493,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;42%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98E_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;2,721,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_981_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;62%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;4,962,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;44%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;6,692,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--MultiAxisCoatingSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;55%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;OEM Systems&lt;/span&gt;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;503,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;14%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_987_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;637,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98F_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;15%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;1,819,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;16%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_981_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pp0p0" style="font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;1,808,000&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--OemSystemsMember_pdd" style="font-family: Cambria,serif; text-align: right"&gt;15%&lt;/td&gt;
    &lt;td style="font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;Other&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_982_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;1,145,000&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_985_ecustom--SalesRevenuePercent_c20220901__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right"&gt;32%&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_980_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;897,000&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_983_ecustom--SalesRevenuePercent_c20210901__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right"&gt;20%&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;2,873,000&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98F_ecustom--SalesRevenuePercent_c20220301__20221130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right"&gt;25%&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 1pt solid; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pp0p0" style="border-bottom: black 1pt solid; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;2,275,000&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td id="xdx_98D_ecustom--SalesRevenuePercent_c20210301__20211130__srt--ProductOrServiceAxis__custom--OtherProductLineMember_pdd" style="padding-bottom: 1pt; font-family: Cambria,serif; text-align: right"&gt;19%&lt;/td&gt;
    &lt;td style="padding-bottom: 1pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;TOTAL&lt;/span&gt;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_982_eus-gaap--Revenues_c20220901__20221130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;3,586,000&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98D_eus-gaap--Revenues_c20210901__20211130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;4,419,000&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_989_eus-gaap--Revenues_c20220301__20221130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;11,401,000&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: black 2.25pt double; font-family: Cambria,serif"&gt;&lt;span style="font-size: 9pt"&gt;$&lt;/span&gt;&lt;/td&gt;
    &lt;td id="xdx_98B_eus-gaap--Revenues_c20210301__20211130__srt--ProductOrServiceAxis__custom--ProductLineMember_pp0p0" style="border-bottom: black 2.25pt double; font-family: Cambria,serif; text-align: right" title="Sales revenue"&gt;12,134,000&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;
    &lt;td style="padding-bottom: 2.5pt; font-family: Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;
</us-gaap:ScheduleOfEntityWideInformationRevenueFromExternalCustomersByProductsAndServicesTextBlock>
    <us-gaap:Revenues
      contextRef="From2022-09-012022-11-30_custom_FluxingSystemsMember"
      decimals="0"
      unitRef="USD">252000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-09-012022-11-30_custom_FluxingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.07</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-09-012021-11-30_custom_FluxingSystemsMember"
      decimals="0"
      unitRef="USD">104000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-09-012021-11-30_custom_FluxingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.02</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-03-012022-11-30_custom_FluxingSystemsMember"
      decimals="0"
      unitRef="USD">960000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-03-012022-11-30_custom_FluxingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.08</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-03-012021-11-30_custom_FluxingSystemsMember"
      decimals="0"
      unitRef="USD">579000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-03-012021-11-30_custom_FluxingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.05</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-09-012022-11-30_custom_IntegratedCoatingSystemsMember"
      decimals="0"
      unitRef="USD">193000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-09-012022-11-30_custom_IntegratedCoatingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.05</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-09-012021-11-30_custom_IntegratedCoatingSystemsMember"
      decimals="0"
      unitRef="USD">60000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-09-012021-11-30_custom_IntegratedCoatingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.01</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-03-012022-11-30_custom_IntegratedCoatingSystemsMember"
      decimals="0"
      unitRef="USD">787000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-03-012022-11-30_custom_IntegratedCoatingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.07</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-03-012021-11-30_custom_IntegratedCoatingSystemsMember"
      decimals="0"
      unitRef="USD">780000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-03-012021-11-30_custom_IntegratedCoatingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.06</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-09-012022-11-30_custom_MultiAxisCoatingSystemsMember"
      decimals="0"
      unitRef="USD">1493000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-09-012022-11-30_custom_MultiAxisCoatingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.42</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-09-012021-11-30_custom_MultiAxisCoatingSystemsMember"
      decimals="0"
      unitRef="USD">2721000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-09-012021-11-30_custom_MultiAxisCoatingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.62</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-03-012022-11-30_custom_MultiAxisCoatingSystemsMember"
      decimals="0"
      unitRef="USD">4962000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-03-012022-11-30_custom_MultiAxisCoatingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.44</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-03-012021-11-30_custom_MultiAxisCoatingSystemsMember"
      decimals="0"
      unitRef="USD">6692000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-03-012021-11-30_custom_MultiAxisCoatingSystemsMember"
      decimals="INF"
      unitRef="Pure">0.55</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-09-012022-11-30_custom_OemSystemsMember"
      decimals="0"
      unitRef="USD">503000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-09-012022-11-30_custom_OemSystemsMember"
      decimals="INF"
      unitRef="Pure">0.14</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-09-012021-11-30_custom_OemSystemsMember"
      decimals="0"
      unitRef="USD">637000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-09-012021-11-30_custom_OemSystemsMember"
      decimals="INF"
      unitRef="Pure">0.15</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-03-012022-11-30_custom_OemSystemsMember"
      decimals="0"
      unitRef="USD">1819000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-03-012022-11-30_custom_OemSystemsMember"
      decimals="INF"
      unitRef="Pure">0.16</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-03-012021-11-30_custom_OemSystemsMember"
      decimals="0"
      unitRef="USD">1808000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-03-012021-11-30_custom_OemSystemsMember"
      decimals="INF"
      unitRef="Pure">0.15</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-09-012022-11-30_custom_OtherProductLineMember"
      decimals="0"
      unitRef="USD">1145000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-09-012022-11-30_custom_OtherProductLineMember"
      decimals="INF"
      unitRef="Pure">0.32</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-09-012021-11-30_custom_OtherProductLineMember"
      decimals="0"
      unitRef="USD">897000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-09-012021-11-30_custom_OtherProductLineMember"
      decimals="INF"
      unitRef="Pure">0.20</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-03-012022-11-30_custom_OtherProductLineMember"
      decimals="0"
      unitRef="USD">2873000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2022-03-012022-11-30_custom_OtherProductLineMember"
      decimals="INF"
      unitRef="Pure">0.25</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2021-03-012021-11-30_custom_OtherProductLineMember"
      decimals="0"
      unitRef="USD">2275000</us-gaap:Revenues>
    <sotk:SalesRevenuePercent
      contextRef="From2021-03-012021-11-30_custom_OtherProductLineMember"
      decimals="INF"
      unitRef="Pure">0.19</sotk:SalesRevenuePercent>
    <us-gaap:Revenues
      contextRef="From2022-09-012022-11-30_custom_ProductLineMember"
      decimals="0"
      unitRef="USD">3586000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2021-09-012021-11-30_custom_ProductLineMember"
      decimals="0"
      unitRef="USD">4419000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2022-03-012022-11-30_custom_ProductLineMember"
      decimals="0"
      unitRef="USD">11401000</us-gaap:Revenues>
    <us-gaap:Revenues
      contextRef="From2021-03-012021-11-30_custom_ProductLineMember"
      decimals="0"
      unitRef="USD">12134000</us-gaap:Revenues>
    <us-gaap:InventoryDisclosureTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_80D_eus-gaap--InventoryDisclosureTextBlock_zwiE7ncL3BR8" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;NOTE 4: &lt;span id="xdx_82E_z75SW8qv5ebd"&gt;INVENTORIES&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_893_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zGRMCps3UC4" style="font: 10pt Cambria,serif; margin: 0 0 0 0.5in; text-indent: -0.5in"&gt;Inventories consist of the following:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span id="xdx_8B6_z28FeSvs3U6l" style="display: none"&gt;Schedule of Inventory, Current&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Cambria, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_498_20221130_zdNYyXPLVIHc" style="font-size: 8pt; font-weight: bold; text-align: center"&gt;November 30,&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49B_20220228_zADFcwhpmZEf" style="font-size: 8pt; font-weight: bold; text-align: center"&gt;February&#160;28,&lt;/td&gt;&lt;td style="font-size: 8pt; 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-size: 8pt; font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_eus-gaap--InventoryRawMaterials_iI_maCzP7E_z9UxdcpYIji6" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="width: 72%; text-align: left"&gt;Raw materials and subassemblies&lt;/td&gt;&lt;td style="width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;&lt;p style="margin: 0"&gt;1,875,277&lt;/p&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;1,250,589&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--InventoryFinishedGoods_iI_maCzP7E_zYSCbypFPIv7" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Finished goods&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;648,725&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;779,533&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--InventoryWorkInProcess_iI_maCzP7E_zMmfiEcoXyNd" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Work in process&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;736,409&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;343,120&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_eus-gaap--InventoryNet_iTI_mtCzEhs_zmS7hBKF6Tlg" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt"&gt;Net 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;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;3,260,411&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;2,373,242&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_8AE_z7wMye4P1JMa" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The Company maintains an allowance for slow moving inventory for raw materials and finished goods. The recorded allowances
at November 30, 2022 and February 28, 2022, totaled $&lt;span id="xdx_903_eus-gaap--InventoryValuationReserves_iI_c20221130_zrcLfIovlHHe" title="Allowance for slow moving inventory"&gt;312,807&lt;/span&gt; and $&lt;span id="xdx_901_eus-gaap--InventoryValuationReserves_iI_c20220228_zya2IFvINTAg" title="Allowance for slow moving inventory"&gt;327,661&lt;/span&gt;, respectively.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

</us-gaap:InventoryDisclosureTextBlock>
    <us-gaap:ScheduleOfInventoryCurrentTableTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_893_eus-gaap--ScheduleOfInventoryCurrentTableTextBlock_zGRMCps3UC4" style="font: 10pt Cambria,serif; margin: 0 0 0 0.5in; text-indent: -0.5in"&gt;Inventories consist of the following:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span id="xdx_8B6_z28FeSvs3U6l" style="display: none"&gt;Schedule of Inventory, Current&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Cambria, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_498_20221130_zdNYyXPLVIHc" style="font-size: 8pt; font-weight: bold; text-align: center"&gt;November 30,&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49B_20220228_zADFcwhpmZEf" style="font-size: 8pt; font-weight: bold; text-align: center"&gt;February&#160;28,&lt;/td&gt;&lt;td style="font-size: 8pt; 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-size: 8pt; font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_408_eus-gaap--InventoryRawMaterials_iI_maCzP7E_z9UxdcpYIji6" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="width: 72%; text-align: left"&gt;Raw materials and subassemblies&lt;/td&gt;&lt;td style="width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;&lt;p style="margin: 0"&gt;1,875,277&lt;/p&gt;&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="width: 10%; text-align: right"&gt;1,250,589&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--InventoryFinishedGoods_iI_maCzP7E_zYSCbypFPIv7" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left"&gt;Finished goods&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;648,725&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;779,533&lt;/td&gt;&lt;td style="text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--InventoryWorkInProcess_iI_maCzP7E_zMmfiEcoXyNd" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="text-align: left; padding-bottom: 1pt"&gt;Work in process&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;736,409&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;343,120&lt;/td&gt;&lt;td style="padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_409_eus-gaap--InventoryNet_iTI_mtCzEhs_zmS7hBKF6Tlg" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="text-align: left; padding-bottom: 2.5pt"&gt;Net 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;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;3,260,411&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; text-align: right"&gt;2,373,242&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:ScheduleOfInventoryCurrentTableTextBlock>
    <us-gaap:InventoryRawMaterials contextRef="AsOf2022-11-30" decimals="0" unitRef="USD">1875277</us-gaap:InventoryRawMaterials>
    <us-gaap:InventoryRawMaterials contextRef="AsOf2022-02-28" decimals="0" unitRef="USD">1250589</us-gaap:InventoryRawMaterials>
    <us-gaap:InventoryFinishedGoods contextRef="AsOf2022-11-30" decimals="0" unitRef="USD">648725</us-gaap:InventoryFinishedGoods>
    <us-gaap:InventoryFinishedGoods contextRef="AsOf2022-02-28" decimals="0" unitRef="USD">779533</us-gaap:InventoryFinishedGoods>
    <us-gaap:InventoryWorkInProcess contextRef="AsOf2022-11-30" decimals="0" unitRef="USD">736409</us-gaap:InventoryWorkInProcess>
    <us-gaap:InventoryWorkInProcess contextRef="AsOf2022-02-28" decimals="0" unitRef="USD">343120</us-gaap:InventoryWorkInProcess>
    <us-gaap:InventoryNet contextRef="AsOf2022-11-30" decimals="0" unitRef="USD">3260411</us-gaap:InventoryNet>
    <us-gaap:InventoryNet contextRef="AsOf2022-02-28" decimals="0" unitRef="USD">2373242</us-gaap:InventoryNet>
    <us-gaap:InventoryValuationReserves contextRef="AsOf2022-11-30" decimals="0" unitRef="USD">312807</us-gaap:InventoryValuationReserves>
    <us-gaap:InventoryValuationReserves contextRef="AsOf2022-02-28" decimals="0" unitRef="USD">327661</us-gaap:InventoryValuationReserves>
    <us-gaap:StockholdersEquityNoteDisclosureTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_806_eus-gaap--StockholdersEquityNoteDisclosureTextBlock_zP3l3sycIMzd" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;NOTE 5: &lt;span id="xdx_821_zALX1YC7Abok"&gt;STOCK OPTIONS&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;Under the 2013 Stock Incentive Plan ("2013 Plan"), options can be granted
to officers, directors, consultants and employees of the Company and its subsidiaries to purchase up to &lt;span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant_iI_c20221130__us-gaap--PlanNameAxis__custom--StockIncentivePlan2013Member_zg2eT9eVJ5J8" title="Stock options shares available for grants"&gt;2,500,000&lt;/span&gt; shares of the Company's
common stock. Under the 2013 Plan options expire ten years after the date of grant. As of November 30, 2022, there were &lt;span id="xdx_901_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber_iI_c20221130__us-gaap--PlanNameAxis__custom--StockIncentivePlan2013Member_zoyMYCKp8Gbj" title="Stock options, outstanding"&gt;245,745&lt;/span&gt; options
outstanding under the 2013 Plan, of which &lt;span id="xdx_90B_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedNumberOfShares_c20220301__20221130__us-gaap--PlanNameAxis__custom--StockIncentivePlan2013Member_zckev6nYrGXe" title="Stock options, vested"&gt;83,816&lt;/span&gt; are vested.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;During the three months ended November 30, 2022, &lt;span id="xdx_909_ecustom--OptionsExercisedNetCashlessBasis_c20220901__20221130__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zIAcdQqZYy7a" title="Options exercised, net cashless basis"&gt;9,723&lt;/span&gt; options were exercised
on a net cashless basis, which resulted in &lt;span id="xdx_901_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20220901__20221130_zDnu1IW8HdN" title="Options exercised"&gt;7,345&lt;/span&gt; shares of common stock being issued.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;During the nine months ended November 30, 2022, &lt;span id="xdx_90B_ecustom--OptionsExercisedNetCashlessBasis_c20220301__20221130__us-gaap--StatementEquityComponentsAxis__us-gaap--CommonStockMember_zil5kEfREOW1" title="Options exercised, net cashless basis"&gt;16,973&lt;/span&gt; options were exercised
on a net cashless basis, which resulted in &lt;span id="xdx_90A_eus-gaap--StockIssuedDuringPeriodSharesStockOptionsExercised_c20220301__20221130_zeIM7odwdrPg" title="Options exercised"&gt;12,898&lt;/span&gt; shares of common stock being issued.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

</us-gaap:StockholdersEquityNoteDisclosureTextBlock>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
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      unitRef="Shares">2500000</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant>
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      contextRef="AsOf2022-11-30_custom_StockIncentivePlan2013Member"
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      decimals="INF"
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      unitRef="Shares">9723</sotk:OptionsExercisedNetCashlessBasis>
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      contextRef="From2022-09-012022-11-30"
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      contextRef="From2022-03-012022-11-30_us-gaap_CommonStockMember"
      decimals="INF"
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    <us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_800_eus-gaap--ShareholdersEquityAndShareBasedPaymentsTextBlock_zvMpImTn7rpg" style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&lt;b&gt;NOTE 6: &lt;span id="xdx_82C_za8ucnEIW1Vj"&gt;STOCK-BASED COMPENSATION&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The Company accounts for stock-based compensation under ASC 718, &#x201c;Share Based Payments.&#x201d;
which requires companies to expense the value of employee stock options and similar awards.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;During the nine months ended November 30, 2022, the Company granted options to acquire
&lt;span id="xdx_907_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember_zoATFOCxv8xd" title="Options granted"&gt;23,225&lt;/span&gt; shares to employees exercisable at prices ranging from $&lt;span id="xdx_902_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MinimumMember_zzYyy9lbqWn2" title="Options, exercisable price"&gt;5.50&lt;/span&gt; to $&lt;span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MaximumMember_zbxGYyxSLdDg" title="Options, exercisable price"&gt;5.96&lt;/span&gt; and options to acquire &lt;span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--ShareBasedPaymentArrangementNonemployeeMember_pdd" title="Options granted"&gt;16,500&lt;/span&gt; shares to non-employee members
of the board of directors with an exercise price of $&lt;span id="xdx_90F_eus-gaap--ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--ShareBasedPaymentArrangementNonemployeeMember_pdd" title="Options, exercisable price"&gt;5.50&lt;/span&gt;. The options granted to employees and directors vest over &lt;span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1_dtxL_c20220301__20221130__us-gaap--AwardTypeAxis__custom--EmployeesAndDirectorsMember_zChtvjkGyzAk" title="Options, vesting period::XDX::P3Y"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0660"&gt;three&lt;/span&gt;&lt;/span&gt; years and expire
in &lt;span id="xdx_90A_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod_dtxL_c20220301__20221130__us-gaap--AwardTypeAxis__custom--EmployeesAndDirectorsMember_zPhdLLYhqjeg" title="Options, expiration period::XDX::P10Y"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0662"&gt;ten&lt;/span&gt;&lt;/span&gt; years. The options granted during the first nine months of fiscal 2023 had a combined weighted average grant date fair value of
$&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue_c20220301__20221130__us-gaap--AwardTypeAxis__custom--EmployeesAndDirectorsMember_zCm2yklKmEt1" title="Weighted average grant date fair value, per share"&gt;3.34&lt;/span&gt; per share.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;




&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_89D_eus-gaap--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_z2K8RbRP4161" style="font: 10pt Cambria,serif; margin: 0"&gt;The weighted-average fair value of options are estimated on the date of grant using the
Black-Scholes options-pricing model. The weighted-average Black-Scholes assumptions are as follows:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span id="xdx_8BA_zpUFhD96DeH6" style="display: none"&gt;Schedule of weighted-average Black-Scholes assumptions&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Cambria, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center"&gt;Nine Months Ended &lt;br/&gt; November 30, 2022&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="text-align: left"&gt;Expected Life&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: center"&gt;&lt;span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MinimumMember_zJvzS8BJuR3j" title="Expected life (in years)"&gt;5&lt;/span&gt; - &lt;span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MaximumMember_z3mkuiL72qij" title="Expected life (in years)"&gt;8&lt;/span&gt; years&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;Risk free interest rate&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: center"&gt;&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_dp_c20220301__20221130_zjGRpncLUL32" title="Risk free interest rate, minimum"&gt;2.82&lt;/span&gt;% - &lt;span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_dp_c20220301__20221130_zMPK4pesd5jd" title="Risk free interest rate, maximum"&gt;3.93&lt;/span&gt;%&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(230,239,255)"&gt;
    &lt;td style="text-align: left"&gt;Expected volatility&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: center"&gt;&lt;span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_dp_c20220301__20221130_z4QYNSctNlh1" title="Expected volatility, minimum"&gt;55.02&lt;/span&gt;% - &lt;span id="xdx_903_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_dp_c20220301__20221130_znR9b856aKa2" title="Expected volatility, maximum"&gt;62.01&lt;/span&gt;%&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="width: 82%; text-align: left"&gt;Expected dividend yield&lt;/td&gt;&lt;td style="width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="width: 14%; text-align: center"&gt;&lt;span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_c20220301__20221130_zPYhiEU1npRi" title="Expected dividend yield"&gt;0&lt;/span&gt;%&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A6_zXAQ9thomq4d" style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;Total compensation related to non-vested options not yet recognized as of November
30, 2022 was $&lt;span id="xdx_90C_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions_iI_pp0p0_c20221130_zHy2vDRyW6l6" title="Compensation expense yet to be recognized"&gt;337,000&lt;/span&gt; and will be recognized over the next &lt;span id="xdx_909_eus-gaap--EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1_dtYxL_c20210301__20211130_zIVE0voqVL36" title="Period for compensation expense to be recognized::XDX::P3Y"&gt;&lt;span style="-sec-ix-hidden: xdx2ixbrl0684"&gt;three&lt;/span&gt;&lt;/span&gt; years based on vesting date.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;For the three and nine months ended November 30, 2022 and 2021, net income and
earnings per share reflect the actual deduction for stock-based compensation expense. For the three months ended November 30, 2022 and
2021, the Company recognized approximately $&lt;span id="xdx_90D_eus-gaap--ShareBasedCompensation_c20220901__20221130_zMoSkKYAYiNf" title="Stock-based compensation expense"&gt;61,000&lt;/span&gt; and $&lt;span id="xdx_90F_eus-gaap--ShareBasedCompensation_c20210901__20211130_zOMzq2L2rKU2" title="Stock-based compensation expense"&gt;52,000&lt;/span&gt; of stock based compensation, respectively. For the nine months ended November
30, 2022 and 2021, the Company recognized approximately $&lt;span id="xdx_906_eus-gaap--ShareBasedCompensation_c20220301__20221130_zwkcajxxRPC3" title="Stock-based compensation expense"&gt;173,000&lt;/span&gt; and $&lt;span id="xdx_906_eus-gaap--ShareBasedCompensation_c20210301__20211130_zpilTPQmZXf3" title="Stock-based compensation expense"&gt;93,000&lt;/span&gt; of stock based compensation, respectively. Stock based compensation
is included in general and administrative expenses on the unaudited consolidated statements of income.&lt;/p&gt;

&lt;p style="font: 11pt Cambria,serif; margin: 0 4.5pt 0 0"&gt;&#160;&lt;/p&gt;

</us-gaap:ShareholdersEquityAndShareBasedPaymentsTextBlock>
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      contextRef="From2022-03-012022-11-30_us-gaap_EmployeeStockOptionMember"
      decimals="INF"
      unitRef="Shares">23225</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2022-03-012022-11-30_us-gaap_EmployeeStockOptionMember_srt_MinimumMember"
      decimals="INF"
      unitRef="USDPShares">5.50</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
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      contextRef="From2022-03-012022-11-30_us-gaap_ShareBasedPaymentArrangementNonemployeeMember"
      decimals="INF"
      unitRef="Shares">16500</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice
      contextRef="From2022-03-012022-11-30_us-gaap_ShareBasedPaymentArrangementNonemployeeMember"
      decimals="INF"
      unitRef="USDPShares">5.50</us-gaap:ShareBasedCompensationArrangementsByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageExercisePrice>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue
      contextRef="From2022-03-012022-11-30_custom_EmployeesAndDirectorsMember"
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    <us-gaap:ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_89D_eus-gaap--ScheduleOfShareBasedPaymentAwardStockOptionsValuationAssumptionsTableTextBlock_z2K8RbRP4161" style="font: 10pt Cambria,serif; margin: 0"&gt;The weighted-average fair value of options are estimated on the date of grant using the
Black-Scholes options-pricing model. The weighted-average Black-Scholes assumptions are as follows:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span id="xdx_8BA_zpUFhD96DeH6" style="display: none"&gt;Schedule of weighted-average Black-Scholes assumptions&#160;&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="font: 10pt Cambria, Times, Serif; border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td&gt;&#160;&lt;/td&gt;&lt;td style="font-size: 8pt; font-weight: bold; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font-size: 8pt; font-weight: bold; text-align: center"&gt;Nine Months Ended &lt;br/&gt; November 30, 2022&lt;/td&gt;&lt;td style="padding-bottom: 1pt; font-size: 8pt; font-weight: bold"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="text-align: left"&gt;Expected Life&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: center"&gt;&lt;span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MinimumMember_zJvzS8BJuR3j" title="Expected life (in years)"&gt;5&lt;/span&gt; - &lt;span id="xdx_902_eus-gaap--SharebasedCompensationArrangementBySharebasedPaymentAwardFairValueAssumptionsExpectedTerm1_dtY_c20220301__20221130__us-gaap--AwardTypeAxis__us-gaap--EmployeeStockOptionMember__srt--RangeAxis__srt--MaximumMember_z3mkuiL72qij" title="Expected life (in years)"&gt;8&lt;/span&gt; years&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;Risk free interest rate&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: center"&gt;&lt;span id="xdx_908_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMinimum_dp_c20220301__20221130_zjGRpncLUL32" title="Risk free interest rate, minimum"&gt;2.82&lt;/span&gt;% - &lt;span id="xdx_906_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRateMaximum_dp_c20220301__20221130_zMPK4pesd5jd" title="Risk free interest rate, maximum"&gt;3.93&lt;/span&gt;%&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(230,239,255)"&gt;
    &lt;td style="text-align: left"&gt;Expected volatility&lt;/td&gt;&lt;td&gt;&#160;&lt;/td&gt;
    &lt;td style="text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="text-align: center"&gt;&lt;span id="xdx_90B_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum_dp_c20220301__20221130_z4QYNSctNlh1" title="Expected volatility, minimum"&gt;55.02&lt;/span&gt;% - &lt;span id="xdx_903_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum_dp_c20220301__20221130_znR9b856aKa2" title="Expected volatility, maximum"&gt;62.01&lt;/span&gt;%&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="width: 82%; text-align: left"&gt;Expected dividend yield&lt;/td&gt;&lt;td style="width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="width: 1%; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="width: 14%; text-align: center"&gt;&lt;span id="xdx_90D_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate_c20220301__20221130_zPYhiEU1npRi" title="Expected dividend yield"&gt;0&lt;/span&gt;%&lt;/td&gt;&lt;td style="width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

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      contextRef="From2022-03-01to2022-11-30"
      decimals="INF"
      unitRef="Pure">0.5502</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMinimum>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum
      contextRef="From2022-03-01to2022-11-30"
      decimals="INF"
      unitRef="Pure">0.6201</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRateMaximum>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate
      contextRef="From2022-03-01to2022-11-30"
      decimals="INF"
      unitRef="Pure">0</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate>
    <us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions contextRef="AsOf2022-11-30" decimals="0" unitRef="USD">337000</us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions>
    <us-gaap:ShareBasedCompensation
      contextRef="From2022-09-012022-11-30"
      decimals="0"
      unitRef="USD">61000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="From2021-09-012021-11-30"
      decimals="0"
      unitRef="USD">52000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="From2022-03-01to2022-11-30"
      decimals="0"
      unitRef="USD">173000</us-gaap:ShareBasedCompensation>
    <us-gaap:ShareBasedCompensation
      contextRef="From2021-03-012021-11-30"
      decimals="0"
      unitRef="USD">93000</us-gaap:ShareBasedCompensation>
    <us-gaap:EarningsPerShareTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_80A_eus-gaap--EarningsPerShareTextBlock_zp34PB6q7BWg" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;NOTE 7: &lt;span id="xdx_82A_ze9ljG7OEXo2"&gt;EARNINGS PER SHARE&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_892_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_zQkODlBCGda5" style="font: 10pt Cambria,serif; margin: 0"&gt;The following table sets forth the computation of basic and diluted earnings per share:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span id="xdx_8B9_zn6oQRWZNgoj" style="display: none"&gt;Schedule of Computation of basic and diluted earnings per share&lt;/span&gt;&#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_491_20220301__20221130_zQ4VBiQqCulh" style="font: 10pt Cambria,serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_490_20210301__20211130_zJ3gYwsdfxNi" style="font: 10pt Cambria,serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_496_20220901__20221130_zpnTFGJgAvz5" style="font: 10pt Cambria,serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49E_20210901__20211130_zYhH5sXLWE1g" style="font: 10pt Cambria,serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;Nine&#160;Months&#160;Ended&lt;br/&gt; November 30,&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;Three&#160;Months&#160;Ended &lt;br/&gt; November 30,&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--ProfitLoss_zEoYQoQsmbKk" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 44%; text-align: left; padding-bottom: 2.5pt; text-indent: -0.1in; padding-left: 0.1in"&gt;Numerator for basic and diluted earnings per share&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right"&gt;572,657&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right"&gt;1,986,745&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right"&gt;104,898&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right"&gt;376,169&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; 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 style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_zt01BMM9lm2i" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-indent: -0.1in; padding-left: 0.1in"&gt;Denominator for basic earnings per share &#x2013; weighted average&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;15,733,284&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;15,541,247&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;15,738,180&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;15,622,721&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--DilutiveSecuritiesAbstract_iB_zD7y6mclE3c1" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;Effects of dilutive securities&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_i01_z5sVgHk3F17h" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt; text-indent: -0.1in; padding-left: 0.2in"&gt;Stock options for employees and directors&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"&gt;31,067&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"&gt;31,177&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"&gt;35,190&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"&gt;32,215&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_i01_zz26L9i7FMb2" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 2.5pt; text-indent: -0.1in; padding-left: 0.1in"&gt;Denominator for diluted earnings per share&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;15,764,351&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;15,572,424&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;15,773,370&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;15,654,936&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_eus-gaap--EarningsPerShareBasic_i01_zGg1NfWBfvr7" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;Basic earnings per share&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.04&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.13&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.01&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.02&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--EarningsPerShareDiluted_i01_zJgDsHgpM0f4" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;Diluted earnings per share&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.04&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.13&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.01&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.02&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8A1_zVKTWEC3p7be" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

</us-gaap:EarningsPerShareTextBlock>
    <us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_892_eus-gaap--ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock_zQkODlBCGda5" style="font: 10pt Cambria,serif; margin: 0"&gt;The following table sets forth the computation of basic and diluted earnings per share:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span id="xdx_8B9_zn6oQRWZNgoj" style="display: none"&gt;Schedule of Computation of basic and diluted earnings per share&lt;/span&gt;&#160;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_491_20220301__20221130_zQ4VBiQqCulh" style="font: 10pt Cambria,serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_490_20210301__20211130_zJ3gYwsdfxNi" style="font: 10pt Cambria,serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_496_20220901__20221130_zpnTFGJgAvz5" style="font: 10pt Cambria,serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" id="xdx_49E_20210901__20211130_zYhH5sXLWE1g" style="font: 10pt Cambria,serif; text-align: center"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;Nine&#160;Months&#160;Ended&lt;br/&gt; November 30,&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;Three&#160;Months&#160;Ended &lt;br/&gt; November 30,&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--ProfitLoss_zEoYQoQsmbKk" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 44%; text-align: left; padding-bottom: 2.5pt; text-indent: -0.1in; padding-left: 0.1in"&gt;Numerator for basic and diluted earnings per share&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right"&gt;572,657&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right"&gt;1,986,745&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right"&gt;104,898&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; width: 10%; text-align: right"&gt;376,169&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; 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 style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_401_eus-gaap--WeightedAverageNumberOfSharesOutstandingBasic_zt01BMM9lm2i" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-indent: -0.1in; padding-left: 0.1in"&gt;Denominator for basic earnings per share &#x2013; weighted average&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;15,733,284&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;15,541,247&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;15,738,180&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;15,622,721&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_407_eus-gaap--DilutiveSecuritiesAbstract_iB_zD7y6mclE3c1" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;Effects of dilutive securities&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_eus-gaap--ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross_i01_z5sVgHk3F17h" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt; text-indent: -0.1in; padding-left: 0.2in"&gt;Stock options for employees and directors&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"&gt;31,067&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"&gt;31,177&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"&gt;35,190&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right"&gt;32,215&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_403_eus-gaap--WeightedAverageNumberOfDilutedSharesOutstanding_i01_zz26L9i7FMb2" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 2.5pt; text-indent: -0.1in; padding-left: 0.1in"&gt;Denominator for diluted earnings per share&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;15,764,351&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;15,572,424&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;15,773,370&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;15,654,936&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: right"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40F_eus-gaap--EarningsPerShareBasic_i01_zGg1NfWBfvr7" style="vertical-align: bottom; background-color: White"&gt;
    &lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;Basic earnings per share&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.04&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.13&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.01&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.02&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr id="xdx_40D_eus-gaap--EarningsPerShareDiluted_i01_zJgDsHgpM0f4" style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;Diluted earnings per share&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.04&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.13&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.01&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right"&gt;0.02&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

</us-gaap:ScheduleOfEarningsPerShareBasicAndDilutedTableTextBlock>
    <us-gaap:ProfitLoss
      contextRef="From2022-03-01to2022-11-30"
      decimals="0"
      unitRef="USD">572657</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="From2021-03-012021-11-30"
      decimals="0"
      unitRef="USD">1986745</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="From2022-09-012022-11-30"
      decimals="0"
      unitRef="USD">104898</us-gaap:ProfitLoss>
    <us-gaap:ProfitLoss
      contextRef="From2021-09-012021-11-30"
      decimals="0"
      unitRef="USD">376169</us-gaap:ProfitLoss>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2022-03-01to2022-11-30"
      decimals="INF"
      unitRef="Shares">15733284</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2021-03-012021-11-30"
      decimals="INF"
      unitRef="Shares">15541247</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2022-09-012022-11-30"
      decimals="INF"
      unitRef="Shares">15738180</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:WeightedAverageNumberOfSharesOutstandingBasic
      contextRef="From2021-09-012021-11-30"
      decimals="INF"
      unitRef="Shares">15622721</us-gaap:WeightedAverageNumberOfSharesOutstandingBasic>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2022-03-01to2022-11-30"
      decimals="INF"
      unitRef="Shares">31067</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-03-012021-11-30"
      decimals="INF"
      unitRef="Shares">31177</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2022-09-012022-11-30"
      decimals="INF"
      unitRef="Shares">35190</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross
      contextRef="From2021-09-012021-11-30"
      decimals="INF"
      unitRef="Shares">32215</us-gaap:ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodGross>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2022-03-01to2022-11-30"
      decimals="INF"
      unitRef="Shares">15764351</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2021-03-012021-11-30"
      decimals="INF"
      unitRef="Shares">15572424</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2022-09-012022-11-30"
      decimals="INF"
      unitRef="Shares">15773370</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding
      contextRef="From2021-09-012021-11-30"
      decimals="INF"
      unitRef="Shares">15654936</us-gaap:WeightedAverageNumberOfDilutedSharesOutstanding>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2022-03-01to2022-11-30"
      decimals="INF"
      unitRef="USDPShares">0.04</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2021-03-012021-11-30"
      decimals="INF"
      unitRef="USDPShares">0.13</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2022-09-012022-11-30"
      decimals="INF"
      unitRef="USDPShares">0.01</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareBasic
      contextRef="From2021-09-012021-11-30"
      decimals="INF"
      unitRef="USDPShares">0.02</us-gaap:EarningsPerShareBasic>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2022-03-01to2022-11-30"
      decimals="INF"
      unitRef="USDPShares">0.04</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2021-03-012021-11-30"
      decimals="INF"
      unitRef="USDPShares">0.13</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2022-09-012022-11-30"
      decimals="INF"
      unitRef="USDPShares">0.01</us-gaap:EarningsPerShareDiluted>
    <us-gaap:EarningsPerShareDiluted
      contextRef="From2021-09-012021-11-30"
      decimals="INF"
      unitRef="USDPShares">0.02</us-gaap:EarningsPerShareDiluted>
    <us-gaap:ShortTermDebtTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_80E_eus-gaap--ShortTermDebtTextBlock_z8b0psQaEVRh" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;NOTE 8: &lt;span id="xdx_827_z8hcSbUJbo1"&gt;REVOLVING LINE OF CREDIT&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The Company has a $&lt;span id="xdx_903_eus-gaap--LineOfCreditFacilityMaximumBorrowingCapacity_iI_c20221130__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zz1X4zV8XRGe" title="Revolving line of credit"&gt;&lt;span id="xdx_903_eus-gaap--LineOfCreditFacilityMaximumBorrowingCapacity_iI_c20220228__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_ziSaDARPWKZa" title="Revolving line of credit"&gt;1,500,000&lt;/span&gt;&lt;/span&gt; revolving line of credit at prime which was &lt;span id="xdx_905_eus-gaap--LineOfCreditFacilityInterestRateAtPeriodEnd_iI_dp_c20221130__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zOjd72p5myba" title="Interest rate"&gt;7.00&lt;/span&gt;% at November
30, 2022 and &lt;span id="xdx_905_eus-gaap--LineOfCreditFacilityInterestRateAtPeriodEnd_iI_dp_c20220228__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_z00c0v0krVZe" title="Interest rate"&gt;3.25&lt;/span&gt;% at February 28, 2022. &lt;span id="xdx_909_eus-gaap--LineOfCreditFacilityDescription_c20220301__20221130__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zBDkO3quRe33" title="Revolving credit line description"&gt;&lt;span id="xdx_907_eus-gaap--LineOfCreditFacilityDescription_c20210301__20220228__us-gaap--CreditFacilityAxis__us-gaap--RevolvingCreditFacilityMember_zQTB2HGITYkf" title="Revolving credit line description"&gt;The revolving credit line is collateralized by the Company&#x2019;s accounts receivable and inventory.
The revolving credit line is payable on demand and must be retired for a 30-day period, once annually. If the Company fails to perform
the 30-day annual pay down or if the bank elects to terminate the credit line, the bank may, at its option, convert the outstanding balance
to a 36-month term note with payments including interest in 36 equal installments.&lt;/span&gt;&lt;/span&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;As of November 30, 2022, $&lt;span id="xdx_900_ecustom--CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers_iI_c20221130__us-gaap--CreditFacilityAxis__us-gaap--LetterOfCreditMember_zXZF9B0oWqZa" title="Credit line utilized to collateralize letter of credit issued to customers"&gt;5,000&lt;/span&gt; of the Company&#x2019;s credit line was being utilized to
collateralize letters of credit issued to customers that have remitted cash deposits to the Company on existing orders. The letters of
credit expire in 2023. As of November 30, 2022, there were &lt;span id="xdx_900_eus-gaap--ShortTermBorrowings_iI_do_c20221130__us-gaap--CreditFacilityAxis__us-gaap--LetterOfCreditMember_zOYrsbl6oC3j" title="Outstanding borrowings under the line of credit"&gt;no&lt;/span&gt; outstanding borrowings under the line of credit and the unused portion of
the credit line was $&lt;span id="xdx_90C_eus-gaap--LineOfCreditFacilityCurrentBorrowingCapacity_iI_c20221130__us-gaap--CreditFacilityAxis__us-gaap--LetterOfCreditMember_z3QSX9m1EuWc" title="Unused portion of credit line"&gt;1,495,000&lt;/span&gt;.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;




&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;&#160;&lt;/b&gt;&lt;/p&gt;

</us-gaap:ShortTermDebtTextBlock>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="AsOf2022-11-30_us-gaap_RevolvingCreditFacilityMember"
      decimals="0"
      unitRef="USD">1500000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity
      contextRef="AsOf2022-02-28_us-gaap_RevolvingCreditFacilityMember"
      decimals="0"
      unitRef="USD">1500000</us-gaap:LineOfCreditFacilityMaximumBorrowingCapacity>
    <us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd
      contextRef="AsOf2022-11-30_us-gaap_RevolvingCreditFacilityMember"
      decimals="INF"
      unitRef="Pure">0.0700</us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd>
    <us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd
      contextRef="AsOf2022-02-28_us-gaap_RevolvingCreditFacilityMember"
      decimals="INF"
      unitRef="Pure">0.0325</us-gaap:LineOfCreditFacilityInterestRateAtPeriodEnd>
    <us-gaap:LineOfCreditFacilityDescription contextRef="From2022-03-012022-11-30_us-gaap_RevolvingCreditFacilityMember">The revolving credit line is collateralized by the Company&#x2019;s accounts receivable and inventory.
The revolving credit line is payable on demand and must be retired for a 30-day period, once annually. If the Company fails to perform
the 30-day annual pay down or if the bank elects to terminate the credit line, the bank may, at its option, convert the outstanding balance
to a 36-month term note with payments including interest in 36 equal installments.</us-gaap:LineOfCreditFacilityDescription>
    <us-gaap:LineOfCreditFacilityDescription contextRef="From2021-03-012022-02-28_us-gaap_RevolvingCreditFacilityMember">The revolving credit line is collateralized by the Company&#x2019;s accounts receivable and inventory.
The revolving credit line is payable on demand and must be retired for a 30-day period, once annually. If the Company fails to perform
the 30-day annual pay down or if the bank elects to terminate the credit line, the bank may, at its option, convert the outstanding balance
to a 36-month term note with payments including interest in 36 equal installments.</us-gaap:LineOfCreditFacilityDescription>
    <sotk:CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers
      contextRef="AsOf2022-11-30_us-gaap_LetterOfCreditMember"
      decimals="0"
      unitRef="USD">5000</sotk:CreditLineUtilizedForCollateralizeLettersOfCreditToCustomers>
    <us-gaap:ShortTermBorrowings
      contextRef="AsOf2022-11-30_us-gaap_LetterOfCreditMember"
      decimals="0"
      unitRef="USD">0</us-gaap:ShortTermBorrowings>
    <us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity
      contextRef="AsOf2022-11-30_us-gaap_LetterOfCreditMember"
      decimals="0"
      unitRef="USD">1495000</us-gaap:LineOfCreditFacilityCurrentBorrowingCapacity>
    <us-gaap:ConcentrationRiskDisclosureTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_806_eus-gaap--ConcentrationRiskDisclosureTextBlock_z8QzgHouXIxc" style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;b&gt;NOTE 9: &lt;span id="xdx_824_zGm6WIlbn7Hh"&gt;CUSTOMER CONCENTRATIONS AND FOREIGN SALES&lt;/span&gt;&lt;/b&gt;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p id="xdx_893_eus-gaap--SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_zf7VJ2QYc7Zb" style="font: 10pt Cambria,serif; margin: 0"&gt;Export sales to customers located outside the United States and Canada were approximately
as follows:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span id="xdx_8B7_zShv9UrvRTVa" style="display: none"&gt;Schedule of Customer Concentrations and Foreign Sales&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;Nine&#160;Months&#160;Ended&lt;br/&gt; November 30,&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;Three&#160;Months&#160;Ended&lt;br/&gt; November 30,&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 44%; text-align: left"&gt;Asia Pacific (APAC)&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales"&gt;2,367,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales"&gt;4,754,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales"&gt;834,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales"&gt;1,901,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; 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="font: 10pt Cambria,serif; text-align: left"&gt;Europe, Middle East, Asia (EMEA)&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;2,557,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;2,723,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;731,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;1,287,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt"&gt;Latin America&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;1,301,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;888,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;436,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;243,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; 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 style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;6,225,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;8,365,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;2,001,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;3,431,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;/table&gt;

&lt;p id="xdx_8AF_zKguvaqyrRoi" style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;In the first nine months of fiscal 2023 and fiscal 2022, sales to foreign customers accounted
for approximately $&lt;span id="xdx_90F_eus-gaap--Revenues_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zda0pHNGlgyg" title="Sales revenue"&gt;6,225,000&lt;/span&gt; and $&lt;span id="xdx_900_eus-gaap--Revenues_c20210301__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zZ587ZFacYS3" title="Sales revenue"&gt;8,365,000&lt;/span&gt;, or &lt;span id="xdx_90F_ecustom--SalesRevenuePercent_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zmJye2q1zQK9" title="Sales revenue, percent"&gt;55&lt;/span&gt;% and &lt;span id="xdx_90E_ecustom--SalesRevenuePercent_dp_c20210301__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_z5689p3nJJKd" title="Sales revenue, percent"&gt;69&lt;/span&gt;%, respectively, of total revenues.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;During the third quarter of fiscal 2023 and fiscal 2022, sales to foreign customers accounted
for approximately $&lt;span id="xdx_904_eus-gaap--Revenues_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_ztfYAzlLnEy7" title="Sales revenue"&gt;2,001,000&lt;/span&gt; and $&lt;span id="xdx_904_eus-gaap--Revenues_c20210901__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zR8L5Fxdb2Oc" title="Sales revenue"&gt;3,431,000&lt;/span&gt;, or &lt;span id="xdx_90D_ecustom--SalesRevenuePercent_dp_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zJZp7LzOXjtb" title="Sales revenue, percent"&gt;56&lt;/span&gt;% and &lt;span id="xdx_901_ecustom--SalesRevenuePercent_dp_c20210901__20211130__us-gaap--ConcentrationRiskByTypeAxis__custom--ForeignCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zYsaVfjz27kf" title="Sales revenue, percent"&gt;78&lt;/span&gt;%, respectively, of total revenues.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The Company had two customers which accounted for &lt;span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--TwoCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zuzytZh3J96j" title="Concentration percentage"&gt;14&lt;/span&gt;% of sales during the first nine months
of fiscal 2023. The Company had two customers which accounted for &lt;span id="xdx_903_eus-gaap--ConcentrationRiskPercentage1_dp_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--TwoCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zbZtVPv3kSVf" title="Concentration percentage"&gt;21&lt;/span&gt;% of sales during the third quarter of fiscal 2023. Five customers
accounted for &lt;span id="xdx_909_eus-gaap--ConcentrationRiskPercentage1_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--FiveCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember_z0CIBSNKJw4i" title="Concentration percentage"&gt;41&lt;/span&gt;% of the outstanding accounts receivables at November 30, 2022.&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&#160;&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;The Company had three customers which accounted for &lt;span id="xdx_90A_eus-gaap--ConcentrationRiskPercentage1_dp_c20220301__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ThreerCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zMbAzhstDMel" title="Concentration percentage"&gt;27&lt;/span&gt;% of sales during the first nine
months of fiscal 2022. The Company had six customers which accounted for &lt;span id="xdx_90C_eus-gaap--ConcentrationRiskPercentage1_dp_c20220901__20221130__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--SixCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--SalesRevenueNetMember_zykaVColoHa7" title="Concentration percentage"&gt;48&lt;/span&gt;% of sales during the third quarter of fiscal 2022. Three customers
accounted for &lt;span id="xdx_90B_eus-gaap--ConcentrationRiskPercentage1_dp_c20210301__20220228__us-gaap--ConcentrationRiskByTypeAxis__us-gaap--CustomerConcentrationRiskMember__srt--MajorCustomersAxis__custom--ThreeCustomersMember__us-gaap--ConcentrationRiskByBenchmarkAxis__us-gaap--AccountsReceivableMember_zr06yS75Unv7" title="Concentration percentage"&gt;41&lt;/span&gt;% of the outstanding accounts receivables at February 28, 2022.&lt;/p&gt;

</us-gaap:ConcentrationRiskDisclosureTextBlock>
    <us-gaap:SchedulesOfConcentrationOfRiskByRiskFactorTextBlock contextRef="From2022-03-01to2022-11-30">&lt;p id="xdx_893_eus-gaap--SchedulesOfConcentrationOfRiskByRiskFactorTextBlock_zf7VJ2QYc7Zb" style="font: 10pt Cambria,serif; margin: 0"&gt;Export sales to customers located outside the United States and Canada were approximately
as follows:&lt;/p&gt;

&lt;p style="font: 10pt Cambria,serif; margin: 0"&gt;&lt;span id="xdx_8B7_zShv9UrvRTVa" style="display: none"&gt;Schedule of Customer Concentrations and Foreign Sales&lt;/span&gt;&lt;/p&gt;

&lt;table cellpadding="0" cellspacing="0" style="border-collapse: collapse; width: 100%"&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;Nine&#160;Months&#160;Ended&lt;br/&gt; November 30,&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="6" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;Three&#160;Months&#160;Ended&lt;br/&gt; November 30,&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom"&gt;
    &lt;td style="font-size: 10pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2022&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td colspan="2" style="border-bottom: Black 1pt solid; font: bold 8pt Cambria,serif; text-align: center"&gt;2021&lt;/td&gt;&lt;td style="font: bold 8pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 44%; text-align: left"&gt;Asia Pacific (APAC)&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_980_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales"&gt;2,367,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_982_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales"&gt;4,754,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales"&gt;834,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; width: 2%"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; width: 1%; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__srt--AsiaPacificMember_pp0p0" style="font: 10pt Cambria,serif; width: 10%; text-align: right" title="Total sales"&gt;1,901,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; 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="font: 10pt Cambria,serif; text-align: left"&gt;Europe, Middle East, Asia (EMEA)&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;2,557,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;2,723,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98C_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;731,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif"&gt;&#160;&lt;/td&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98A_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__us-gaap--EMEAMember_pp0p0" style="font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;1,287,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
  &lt;tr style="vertical-align: bottom; background-color: rgb(230,239,255)"&gt;
    &lt;td style="font: 10pt Cambria,serif; text-align: left; padding-bottom: 1pt"&gt;Latin America&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;1,301,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_98F_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;888,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_987_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;436,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 1pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td id="xdx_989_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130__srt--StatementGeographicalAxis__srt--LatinAmericaMember_pp0p0" style="border-bottom: Black 1pt solid; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;243,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; 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 style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_986_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210301__20211130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;6,225,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_984_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200301__20201130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;8,365,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98D_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20210901__20211130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;2,001,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt"&gt;&#160;&lt;/td&gt;
    &lt;td style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: left"&gt;$&lt;/td&gt;&lt;td id="xdx_98B_eus-gaap--RevenueFromContractWithCustomerIncludingAssessedTax_c20200901__20201130_pp0p0" style="border-bottom: Black 2.5pt double; font: 10pt Cambria,serif; text-align: right" title="Total sales"&gt;3,431,000&lt;/td&gt;&lt;td style="font: 10pt Cambria,serif; padding-bottom: 2.5pt; text-align: left"&gt;&#160;&lt;/td&gt;&lt;/tr&gt;
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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
