<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.23.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>295</ContextCount>
  <ElementCount>325</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>84</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00000002 - Statement - Condensed Interim Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/InterimConsolidatedBalanceSheets</Role>
      <ShortName>Condensed Interim Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00000003 - Statement - Condensed Interim Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/InterimConsolidatedBalanceSheetsParenthetical</Role>
      <ShortName>Condensed Interim Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00000004 - Statement - Condensed Interim Consolidated Statements of Operations and Comprehensive Income (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/InterimConsolidatedStatementsOfOperationsAndComprehensiveIncome</Role>
      <ShortName>Condensed Interim Consolidated Statements of Operations and Comprehensive Income (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00000005 - Statement - Condensed Interim Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/InterimConsolidatedStatementsOfCashFlows</Role>
      <ShortName>Condensed Interim Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00000006 - Statement - Condensed Interim Consolidated Statements of Stockholders' Equity (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/InterimConsolidatedStatementsOfStockholdersEquity</Role>
      <ShortName>Condensed Interim Consolidated Statements of Stockholders' Equity (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00000007 - Disclosure - BASIS OF PRESENTATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/BasisOfPresentation</Role>
      <ShortName>BASIS OF PRESENTATION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>00000008 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SignificantAccountingPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>00000009 - Disclosure - LEASES.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Leases.</Role>
      <ShortName>LEASES.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>00000010 - Disclosure - ACCOUNTS RECEIVABLE.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/AccountsReceivable.</Role>
      <ShortName>ACCOUNTS RECEIVABLE.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>00000011 - Disclosure - INVENTORIES.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Inventories.</Role>
      <ShortName>INVENTORIES.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>00000012 - Disclosure - PROPERTY, EQUIPMENT &amp; LEASEHOLDS.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/PropertyEquipmentLeaseholds.</Role>
      <ShortName>PROPERTY, EQUIPMENT &amp; LEASEHOLDS.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>00000013 - Disclosure - PATENTS.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Patents.</Role>
      <ShortName>PATENTS.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>00000014 - Disclosure - GOODWILL AND INDEFINITE LIVED INTANGIBLE ASSETS.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/GoodwillAndIndefiniteLivedIntangibleAssets.</Role>
      <ShortName>GOODWILL AND INDEFINITE LIVED INTANGIBLE ASSETS.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>00000015 - Disclosure - LONG TERM DEPOSITS.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/LongTermDeposits.</Role>
      <ShortName>LONG TERM DEPOSITS.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>00000016 - Disclosure - INVESTMENTS.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Investments.</Role>
      <ShortName>INVESTMENTS.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>00000017 - Disclosure - SHORT-TERM LINE OF CREDIT.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Short-termLineOfCredit.</Role>
      <ShortName>SHORT-TERM LINE OF CREDIT.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>00000018 - Disclosure - LONG TERM DEBT.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/LongTermDebt.</Role>
      <ShortName>LONG TERM DEBT.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>00000019 - Disclosure - STOCK OPTIONS.</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/StockOptions.</Role>
      <ShortName>STOCK OPTIONS.</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>00000020 - Disclosure - CAPITAL STOCK</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/CapitalStock</Role>
      <ShortName>CAPITAL STOCK</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>00000021 - Disclosure - NON-CONTROLLING INTERESTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Non-controllingInterests</Role>
      <ShortName>NON-CONTROLLING INTERESTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>00000022 - Disclosure - SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SegmentedSignificantCustomerInformationAndEconomicDependency</Role>
      <ShortName>SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>00000023 - Disclosure - COMPARATIVE FIGURES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ComparativeFigures</Role>
      <ShortName>COMPARATIVE FIGURES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>00000024 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SubsequentEvents</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>00000025 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SignificantAccountingPoliciesPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>00000026 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SignificantAccountingPoliciesTables</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/SignificantAccountingPolicies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>00000027 - Disclosure - LEASES. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Leases.Tables</Role>
      <ShortName>LEASES. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Leases.</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>00000028 - Disclosure - ACCOUNTS RECEIVABLE. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/AccountsReceivable.Tables</Role>
      <ShortName>ACCOUNTS RECEIVABLE. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/AccountsReceivable.</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>00000029 - Disclosure - INVENTORIES. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Inventories.Tables</Role>
      <ShortName>INVENTORIES. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Inventories.</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>00000030 - Disclosure - PROPERTY, EQUIPMENT &amp; LEASEHOLDS. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/PropertyEquipmentLeaseholds.Tables</Role>
      <ShortName>PROPERTY, EQUIPMENT &amp; LEASEHOLDS. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/PropertyEquipmentLeaseholds.</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>00000031 - Disclosure - PATENTS. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Patents.Tables</Role>
      <ShortName>PATENTS. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Patents.</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>00000032 - Disclosure - GOODWILL AND INDEFINITE LIVED INTANGIBLE ASSETS. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/GoodwillAndIndefiniteLivedIntangibleAssets.Tables</Role>
      <ShortName>GOODWILL AND INDEFINITE LIVED INTANGIBLE ASSETS. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/GoodwillAndIndefiniteLivedIntangibleAssets.</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>00000033 - Disclosure - LONG TERM DEPOSITS. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/LongTermDeposits.Tables</Role>
      <ShortName>LONG TERM DEPOSITS. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/LongTermDeposits.</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>00000034 - Disclosure - INVESTMENTS. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Investments.Tables</Role>
      <ShortName>INVESTMENTS. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Investments.</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>00000035 - Disclosure - LONG TERM DEBT. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/LongTermDebt.Tables</Role>
      <ShortName>LONG TERM DEBT. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/LongTermDeposits.</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>00000036 - Disclosure - STOCK OPTIONS. (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/StockOptions.Tables</Role>
      <ShortName>STOCK OPTIONS. (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/StockOptions.</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>00000037 - Disclosure - NON-CONTROLLING INTERESTS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Non-controllingInterestsTables</Role>
      <ShortName>NON-CONTROLLING INTERESTS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Non-controllingInterests</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>00000038 - Disclosure - SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SegmentedSignificantCustomerInformationAndEconomicDependencyTables</Role>
      <ShortName>SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/SegmentedSignificantCustomerInformationAndEconomicDependency</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>00000039 - Disclosure - BASIS OF PRESENTATION (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/BasisOfPresentationDetailsNarrative</Role>
      <ShortName>BASIS OF PRESENTATION (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/BasisOfPresentation</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>00000040 - Disclosure - SCHEDULE OF METHOD OF DEPRECIATION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfMethodOfDepreciationDetails</Role>
      <ShortName>SCHEDULE OF METHOD OF DEPRECIATION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>00000041 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SignificantAccountingPoliciesDetailsNarrative</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/SignificantAccountingPoliciesTables</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>00000042 - Disclosure - SUMMARY OF RIGHT-OF-USE ASSET AND LEASE LIABILITY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SummaryOfRight-of-useAssetAndLeaseLiabilityDetails</Role>
      <ShortName>SUMMARY OF RIGHT-OF-USE ASSET AND LEASE LIABILITY (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>00000043 - Disclosure - SCHEDULE OF UNDISCOUNTED RENT PAYMENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfUndiscountedRentPaymentsDetails</Role>
      <ShortName>SCHEDULE OF UNDISCOUNTED RENT PAYMENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>00000044 - Disclosure - LEASES. (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Leases.DetailsNarrative</Role>
      <ShortName>LEASES. (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Leases.Tables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>00000045 - Disclosure - SCHEDULE OF ACCOUNTS RECEIVABLE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfAccountsReceivableDetails</Role>
      <ShortName>SCHEDULE OF ACCOUNTS RECEIVABLE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>00000046 - Disclosure - SCHEDULE OF INVENTORY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfInventoryDetails</Role>
      <ShortName>SCHEDULE OF INVENTORY (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>00000047 - Disclosure - SCHEDULE OF PROPERTY, EQUIPMENT AND LEASEHOLDS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfPropertyEquipmentAndLeaseholdsDetails</Role>
      <ShortName>SCHEDULE OF PROPERTY, EQUIPMENT AND LEASEHOLDS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>00000048 - Disclosure - PROPERTY, EQUIPMENT &amp; LEASEHOLDS. (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/PropertyEquipmentLeaseholds.DetailsNarrative</Role>
      <ShortName>PROPERTY, EQUIPMENT &amp; LEASEHOLDS. (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/PropertyEquipmentLeaseholds.Tables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>00000049 - Disclosure - SCHEDULE OF PATENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfPatentsDetails</Role>
      <ShortName>SCHEDULE OF PATENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>00000050 - Disclosure - SCHEDULE OF GOODWILL AND INDEFINITE LIVED INTANGIBLE ASSETS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfGoodwillAndIndefiniteLivedIntangibleAssetsDetails</Role>
      <ShortName>SCHEDULE OF GOODWILL AND INDEFINITE LIVED INTANGIBLE ASSETS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>00000051 - Disclosure - SCHEDULE OF ESTIMATED FUTURE AMORTIZATION EXPENSE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfEstimatedFutureAmortizationExpenseDetails</Role>
      <ShortName>SCHEDULE OF ESTIMATED FUTURE AMORTIZATION EXPENSE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>00000052 - Disclosure - PATENTS. (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Patents.DetailsNarrative</Role>
      <ShortName>PATENTS. (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Patents.Tables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>00000053 - Disclosure - SCHEDULE OF LONG TERM DEPOSITS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfLongTermDepositsDetails</Role>
      <ShortName>SCHEDULE OF LONG TERM DEPOSITS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>53</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>00000054 - Disclosure - SCHEDULE OF FAIR VALUES OF THE ASSETS ACQUIRED AND LIABILITIES ASSUMED (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfFairValuesOfAssetsAcquiredAndLiabilitiesAssumedDetails</Role>
      <ShortName>SCHEDULE OF FAIR VALUES OF THE ASSETS ACQUIRED AND LIABILITIES ASSUMED (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>00000055 - Disclosure - SCHEDULE OF EQUITY METHOD INVESTMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfEquityMethodInvestmentDetails</Role>
      <ShortName>SCHEDULE OF EQUITY METHOD INVESTMENT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>00000056 - Disclosure - SUMMARY OF PROFIT AND LOSS INFORMATION RELATED TO EQUITY ACCOUNTED INVESTMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SummaryOfProfitAndLossInformationRelatedToEquityAccountedInvestmentDetails</Role>
      <ShortName>SUMMARY OF PROFIT AND LOSS INFORMATION RELATED TO EQUITY ACCOUNTED INVESTMENT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>00000057 - Disclosure - INVESTMENTS. (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Investments.DetailsNarrative</Role>
      <ShortName>INVESTMENTS. (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Investments.Tables</ParentRole>
      <Position>57</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>00000058 - Disclosure - SHORT-TERM LINE OF CREDIT. (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Short-termLineOfCredit.DetailsNarrative</Role>
      <ShortName>SHORT-TERM LINE OF CREDIT. (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Short-termLineOfCredit.</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>00000059 - Disclosure - SCHEDULE OF LOAN COVENANTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfLoanCovenantsDetails</Role>
      <ShortName>SCHEDULE OF LOAN COVENANTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>00000060 - Disclosure - SCHEDULE OF OUTSTANDING BALANCE LOAN (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfOutstandingBalanceLoanDetails</Role>
      <ShortName>SCHEDULE OF OUTSTANDING BALANCE LOAN (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>00000061 - Disclosure - LONG TERM DEBT. (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/LongTermDebt.DetailsNarrative</Role>
      <ShortName>LONG TERM DEBT. (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/LongTermDeposits.Tables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>00000062 - Disclosure - SCHEDULE OF STOCK OPTION ACTIVITIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfStockOptionActivitiesDetails</Role>
      <ShortName>SCHEDULE OF STOCK OPTION ACTIVITIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>00000063 - Disclosure - SCHEDULE OF STOCK OPTION FAIR VALUE ASSUMPTIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfStockOptionFairValueAssumptionsDetails</Role>
      <ShortName>SCHEDULE OF STOCK OPTION FAIR VALUE ASSUMPTIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>00000064 - Disclosure - STOCK OPTIONS. (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/StockOptions.DetailsNarrative</Role>
      <ShortName>STOCK OPTIONS. (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/StockOptions.Tables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>00000065 - Disclosure - CAPITAL STOCK (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/CapitalStockDetailsNarrative</Role>
      <ShortName>CAPITAL STOCK (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/CapitalStock</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>00000066 - Disclosure - SCHEDULE OF DISTRIBUTIONS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfDistributionsDetails</Role>
      <ShortName>SCHEDULE OF DISTRIBUTIONS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>00000067 - Disclosure - SCHEDULE OF NON CONTROLLING INTEREST RELATED TO ACQUISITION (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfNonControllingInterestRelatedToAcquisitionDetails</Role>
      <ShortName>SCHEDULE OF NON CONTROLLING INTEREST RELATED TO ACQUISITION (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>00000068 - Disclosure - NON-CONTROLLING INTERESTS (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/Non-controllingInterestsDetailsNarrative</Role>
      <ShortName>NON-CONTROLLING INTERESTS (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/Non-controllingInterestsTables</ParentRole>
      <Position>68</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>00000069 - Disclosure - SCHEDULE OF REPORTABLE SEGMENTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfReportableSegmentsDetails</Role>
      <ShortName>SCHEDULE OF REPORTABLE SEGMENTS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>00000070 - Disclosure - SCHEDULE OF REVENUE GENERATED IN UNITED STATES AND CANADA (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfRevenueGeneratedInUnitedStatesAndCanadaDetails</Role>
      <ShortName>SCHEDULE OF REVENUE GENERATED IN UNITED STATES AND CANADA (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>00000071 - Disclosure - SCHEDULE OF LONG-LIVED ASSETS ARE LOCATED IN CANADA AND UNITED STATES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/ScheduleOfLong-livedAssetsAreLocatedInCanadaAndUnitedStatesDetails</Role>
      <ShortName>SCHEDULE OF LONG-LIVED ASSETS ARE LOCATED IN CANADA AND UNITED STATES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>00000072 - Disclosure - SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://flexiblesolutions.com/role/SegmentedSignificantCustomerInformationAndEconomicDependencyDetailsNarrative</Role>
      <ShortName>SEGMENTED, SIGNIFICANT CUSTOMER INFORMATION AND ECONOMIC DEPENDENCY (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://flexiblesolutions.com/role/SegmentedSignificantCustomerInformationAndEconomicDependencyTables</ParentRole>
      <Position>72</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File doctype="10-Q" original="form10-q.htm">form10-q.htm</File>
    <File>ex31-1.htm</File>
    <File>ex31-2.htm</File>
    <File>ex32-1.htm</File>
    <File>fsi-20230630.xsd</File>
    <File>fsi-20230630_cal.xml</File>
    <File>fsi-20230630_def.xml</File>
    <File>fsi-20230630_lab.xml</File>
    <File>fsi-20230630_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="991">http://fasb.org/us-gaap/2023</BaseTaxonomy>
    <BaseTaxonomy items="30">http://xbrl.sec.gov/dei/2023</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
