<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.4</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>125</ContextCount>
  <ElementCount>161</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>32</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00000002 - Statement - Condensec Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/CondensecConsolidatedBalanceSheets</Role>
      <ShortName>Condensec Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00000003 - Statement - Condensec Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/CondensecConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensec Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00000004 - Statement - Condensed Consolidated Statements of Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/StatementsOfIncome</Role>
      <ShortName>Condensed Consolidated Statements of Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00000005 - Statement - Condensed Consolidated Statements of Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/StatementsOfStockholdersEquity</Role>
      <ShortName>Condensed Consolidated Statements of Stockholders' Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00000006 - Statement - Condensed Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/StatementsOfCashFlows</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00000007 - Disclosure - BUSINESS DESCRIPTION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/BusinessDescription</Role>
      <ShortName>BUSINESS DESCRIPTION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>00000008 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/SignificantAccountingPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>00000009 - Disclosure - REVENUE RECOGNITION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/RevenueRecognition</Role>
      <ShortName>REVENUE RECOGNITION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>00000010 - Disclosure - INVENTORIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/Inventories</Role>
      <ShortName>INVENTORIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>00000011 - Disclosure - STOCK OPTIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/StockOptions</Role>
      <ShortName>STOCK OPTIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>00000012 - Disclosure - STOCK-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/Stock-basedCompensation</Role>
      <ShortName>STOCK-BASED COMPENSATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>00000013 - Disclosure - EARNINGS PER SHARE</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/EarningsPerShare</Role>
      <ShortName>EARNINGS PER SHARE</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>00000014 - Disclosure - REVOLVING LINE OF CREDIT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/RevolvingLineOfCredit</Role>
      <ShortName>REVOLVING LINE OF CREDIT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>00000015 - Disclosure - CUSTOMER CONCENTRATIONS AND FOREIGN SALES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/CustomerConcentrationsAndForeignSales</Role>
      <ShortName>CUSTOMER CONCENTRATIONS AND FOREIGN SALES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>00000016 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/SignificantAccountingPoliciesPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>00000017 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/SignificantAccountingPoliciesTables</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://sono-tek.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>17</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>00000018 - Disclosure - REVENUE RECOGNITION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/RevenueRecognitionTables</Role>
      <ShortName>REVENUE RECOGNITION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://sono-tek.com/role/RevenueRecognition</ParentRole>
      <Position>18</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>00000019 - Disclosure - INVENTORIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/InventoriesTables</Role>
      <ShortName>INVENTORIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://sono-tek.com/role/Inventories</ParentRole>
      <Position>19</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>00000020 - Disclosure - STOCK-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/Stock-basedCompensationTables</Role>
      <ShortName>STOCK-BASED COMPENSATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://sono-tek.com/role/Stock-basedCompensation</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>00000021 - Disclosure - EARNINGS PER SHARE (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/EarningsPerShareTables</Role>
      <ShortName>EARNINGS PER SHARE (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://sono-tek.com/role/EarningsPerShare</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>00000022 - Disclosure - CUSTOMER CONCENTRATIONS AND FOREIGN SALES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/CustomerConcentrationsAndForeignSalesTables</Role>
      <ShortName>CUSTOMER CONCENTRATIONS AND FOREIGN SALES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://sono-tek.com/role/CustomerConcentrationsAndForeignSales</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>00000023 - Disclosure - Schedule of Significant Accounting Policies - Fair values of financial assets of the Company (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/ScheduleOfSignificantAccountingPolicies-FairValuesOfFinancialAssetsOfCompanyDetails</Role>
      <ShortName>Schedule of Significant Accounting Policies - Fair values of financial assets of the Company (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>00000024 - Disclosure - Schedule of Revenue Recognition - Sales Revenue by Product Line (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/ScheduleOfRevenueRecognition-SalesRevenueByProductLineDetails</Role>
      <ShortName>Schedule of Revenue Recognition - Sales Revenue by Product Line (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>00000025 - Disclosure - REVENUE RECOGNITION (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/RevenueRecognitionDetailsNarrative</Role>
      <ShortName>REVENUE RECOGNITION (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://sono-tek.com/role/RevenueRecognitionTables</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>00000026 - Disclosure - Schedule of Inventory, Current (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/ScheduleOfInventoryCurrentDetails</Role>
      <ShortName>Schedule of Inventory, Current (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>00000027 - Disclosure - INVENTORIES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/InventoriesDetailsNarrative</Role>
      <ShortName>INVENTORIES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://sono-tek.com/role/InventoriesTables</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>00000028 - Disclosure - STOCK OPTIONS (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/StockOptionsDetailsNarrative</Role>
      <ShortName>STOCK OPTIONS (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://sono-tek.com/role/StockOptions</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>00000029 - Disclosure - Schedule of weighted-average Black-Scholes assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/ScheduleOfWeighted-averageBlack-scholesAssumptionsDetails</Role>
      <ShortName>Schedule of weighted-average Black-Scholes assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>00000030 - Disclosure - STOCK-BASED COMPENSATION (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/Stock-basedCompensationDetailsNarrative</Role>
      <ShortName>STOCK-BASED COMPENSATION (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://sono-tek.com/role/Stock-basedCompensationTables</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>00000031 - Disclosure - Schedule of Computation of basic and diluted earnings per share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/ScheduleOfComputationOfBasicAndDilutedEarningsPerShareDetails</Role>
      <ShortName>Schedule of Computation of basic and diluted earnings per share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>00000032 - Disclosure - REVOLVING LINE OF CREDIT (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/RevolvingLineOfCreditDetailsNarrative</Role>
      <ShortName>REVOLVING LINE OF CREDIT (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://sono-tek.com/role/RevolvingLineOfCredit</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>00000033 - Disclosure - Schedule of Customer Concentrations and Foreign Sales (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/ScheduleOfCustomerConcentrationsAndForeignSalesDetails</Role>
      <ShortName>Schedule of Customer Concentrations and Foreign Sales (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="eps10593.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>00000034 - Disclosure - CUSTOMER CONCENTRATIONS AND FOREIGN SALES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://sono-tek.com/role/CustomerConcentrationsAndForeignSalesDetailsNarrative</Role>
      <ShortName>CUSTOMER CONCENTRATIONS AND FOREIGN SALES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://sono-tek.com/role/CustomerConcentrationsAndForeignSalesTables</ParentRole>
      <Position>34</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <Logs>
    <Log type="Warning">[ix-0514-Hidden-Fact-Eligible-For-Transform] WARN: 4 fact(s) appearing in ix:hidden were eligible for transformation: dei:EntityRegistrantName, us-gaap:EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardExpirationPeriod, us-gaap:SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsVestedAndExpectedToVestExercisableWeightedAverageRemainingContractualTerm1 -  eps10593.htm 27, 49, 50, 51</Log>
  </Logs>
  <InputFiles>
    <File doctype="10-Q" original="eps10593.htm">eps10593.htm</File>
    <File>ex31-1.htm</File>
    <File>ex31-2.htm</File>
    <File>ex32-1.htm</File>
    <File>ex32-2.htm</File>
    <File>sotk-20221130.xsd</File>
    <File>sotk-20221130_cal.xml</File>
    <File>sotk-20221130_def.xml</File>
    <File>sotk-20221130_lab.xml</File>
    <File>sotk-20221130_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>sonotek-logo.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="400">http://fasb.org/us-gaap/2022</BaseTaxonomy>
    <BaseTaxonomy items="29">http://xbrl.sec.gov/dei/2022</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
