<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.22.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>213</ContextCount>
  <ElementCount>411</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>107</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>6</UnitCount>
  <MyReports>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>00000001 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>00000002 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/BalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>00000003 - Statement - Consolidated Balance Sheets (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/BalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>00000004 - Statement - Consolidated Statements of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/StatementsOfOperations</Role>
      <ShortName>Consolidated Statements of Operations</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>00000005 - Statement - Consolidated Statement of Stockholders' Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/StatementOfStockholdersEquity</Role>
      <ShortName>Consolidated Statement of Stockholders' Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>00000006 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/StatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>00000007 - Disclosure - Business Organization and Nature of Operations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/BusinessOrganizationAndNatureOfOperations</Role>
      <ShortName>Business Organization and Nature of Operations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>00000008 - Disclosure - Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/BasisOfPresentation</Role>
      <ShortName>Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>00000009 - Disclosure - Corporate Actions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/CorporateActions</Role>
      <ShortName>Corporate Actions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>00000010 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SummaryOfSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>00000011 - Disclosure - Business Acquisitions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/BusinessAcquisitions</Role>
      <ShortName>Business Acquisitions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>00000012 - Disclosure - Intangible Assets, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/IntangibleAssetsNet</Role>
      <ShortName>Intangible Assets, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>00000013 - Disclosure - Fair Value Measurements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/FairValueMeasurements</Role>
      <ShortName>Fair Value Measurements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>00000014 - Disclosure - Property and Equipment</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/PropertyAndEquipment</Role>
      <ShortName>Property and Equipment</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>00000015 - Disclosure - Notes Payable ??? Unrelated Parties</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://intellinetics.com/role/NotesPayableUnrelatedParties</Role>
      <ShortName>Notes Payable ??? Unrelated Parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>00000016 - Disclosure - Notes Payable - Related Parties</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://intellinetics.com/role/NotesPayable-RelatedParties</Role>
      <ShortName>Notes Payable - Related Parties</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>00000017 - Disclosure - Deferred Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/DeferredCompensation</Role>
      <ShortName>Deferred Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>00000018 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/CommitmentsAndContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>00000019 - Disclosure - Stockholders??? Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/StockholdersEquity</Role>
      <ShortName>Stockholders??? Equity</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>00000020 - Disclosure - Stock-Based Compensation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/Stock-basedCompensation</Role>
      <ShortName>Stock-Based Compensation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>00000021 - Disclosure - Concentrations</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/Concentrations</Role>
      <ShortName>Concentrations</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>00000022 - Disclosure - Provision For Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ProvisionForIncomeTaxes</Role>
      <ShortName>Provision For Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>00000023 - Disclosure - Certain Relationships and Related Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/CertainRelationshipsAndRelatedTransactions</Role>
      <ShortName>Certain Relationships and Related Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>00000024 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>00000025 - Disclosure - Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://intellinetics.com/role/SummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>00000026 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/SummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>00000027 - Disclosure - Business Acquisitions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/BusinessAcquisitionsTables</Role>
      <ShortName>Business Acquisitions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/BusinessAcquisitions</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>00000028 - Disclosure - Intangible Assets, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/IntangibleAssetsNetTables</Role>
      <ShortName>Intangible Assets, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/IntangibleAssetsNet</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>00000029 - Disclosure - Fair Value Measurements (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/FairValueMeasurementsTables</Role>
      <ShortName>Fair Value Measurements (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/FairValueMeasurements</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>00000030 - Disclosure - Property and Equipment (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/PropertyAndEquipmentTables</Role>
      <ShortName>Property and Equipment (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/PropertyAndEquipment</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>00000031 - Disclosure - Notes Payable ??? Unrelated Parties (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://intellinetics.com/role/NotesPayableUnrelatedPartiesTables</Role>
      <ShortName>Notes Payable ??? Unrelated Parties (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/NotesPayableUnrelatedParties</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>00000032 - Disclosure - Commitments and Contingencies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/CommitmentsAndContingenciesTables</Role>
      <ShortName>Commitments and Contingencies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/CommitmentsAndContingencies</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>00000033 - Disclosure - Stockholders??? Equity (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/StockholdersEquityTables</Role>
      <ShortName>Stockholders??? Equity (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/StockholdersEquity</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>00000034 - Disclosure - Stock-Based Compensation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/Stock-basedCompensationTables</Role>
      <ShortName>Stock-Based Compensation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/Stock-basedCompensation</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>00000035 - Disclosure - Provision For Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ProvisionForIncomeTaxesTables</Role>
      <ShortName>Provision For Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/ProvisionForIncomeTaxes</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>00000036 - Disclosure - Certain Relationships and Related Transactions (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/CertainRelationshipsAndRelatedTransactionsTables</Role>
      <ShortName>Certain Relationships and Related Transactions (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://intellinetics.com/role/CertainRelationshipsAndRelatedTransactions</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>00000037 - Disclosure - Corporate Actions (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/CorporateActionsDetailsNarrative</Role>
      <ShortName>Corporate Actions (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/CorporateActions</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>00000038 - Disclosure - Schedule of Changes in Contract Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfChangesInContractAssetsAndLiabilitiesDetails</Role>
      <ShortName>Schedule of Changes in Contract Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>00000039 - Disclosure - Schedule of Segment Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfSegmentInformationDetails</Role>
      <ShortName>Schedule of Segment Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>00000040 - Disclosure - Summary of Significant Accounting Policies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative</Role>
      <ShortName>Summary of Significant Accounting Policies (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/SummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>00000041 - Disclosure - Schedule of Fair Value of Assets Acquired and Liabilities Assumed (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfFairValueOfAssetsAcquiredAndLiabilitiesAssumedDetails</Role>
      <ShortName>Schedule of Fair Value of Assets Acquired and Liabilities Assumed (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>00000042 - Disclosure - Schedule of Pro Forma Information (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfProFormaInformationDetails</Role>
      <ShortName>Schedule of Pro Forma Information (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>00000043 - Disclosure - Business Acquisitions (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/BusinessAcquisitionsDetailsNarrative</Role>
      <ShortName>Business Acquisitions (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/BusinessAcquisitionsTables</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>00000044 - Disclosure - Schedule of Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfIntangibleAssetsDetails</Role>
      <ShortName>Schedule of Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>44</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>00000045 - Disclosure - Schedule of Amortization Expense for Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfAmortizationExpenseForIntangibleAssetsDetails</Role>
      <ShortName>Schedule of Amortization Expense for Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>00000046 - Disclosure - Intangible Assets, Net (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/IntangibleAssetsNetDetailsNarrative</Role>
      <ShortName>Intangible Assets, Net (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/IntangibleAssetsNetTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>00000047 - Disclosure - Summary of Changes in Fair Value of Earnout Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SummaryOfChangesInFairValueOfEarnoutLiabilitiesDetails</Role>
      <ShortName>Summary of Changes in Fair Value of Earnout Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>00000048 - Disclosure - Fair Value Measurements (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/FairValueMeasurementsDetailsNarrative</Role>
      <ShortName>Fair Value Measurements (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/FairValueMeasurementsTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>00000049 - Disclosure - Schedule of Property and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfPropertyAndEquipmentDetails</Role>
      <ShortName>Schedule of Property and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>00000050 - Disclosure - Property and Equipment (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/PropertyAndEquipmentDetailsNarrative</Role>
      <ShortName>Property and Equipment (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/PropertyAndEquipmentTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>00000051 - Disclosure - Schedule of Notes Payable to Unrelated Parties (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfNotesPayableToUnrelatedPartiesDetails</Role>
      <ShortName>Schedule of Notes Payable to Unrelated Parties (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>51</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>00000052 - Disclosure - Schedule of Future Minimum Principal Payments of Notes Payable (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfFutureMinimumPrincipalPaymentsOfNotesPayableDetails</Role>
      <ShortName>Schedule of Future Minimum Principal Payments of Notes Payable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>00000053 - Disclosure - Notes Payable ??? Unrelated Parties (Details Narrative)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://intellinetics.com/role/NotesPayableUnrelatedPartiesDetailsNarrative</Role>
      <ShortName>Notes Payable ??? Unrelated Parties (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/NotesPayableUnrelatedPartiesTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>00000054 - Disclosure - Notes Payable - Related Parties (Details Narrative)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://intellinetics.com/role/NotesPayable-RelatedPartiesDetailsNarrative</Role>
      <ShortName>Notes Payable - Related Parties (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/NotesPayable-RelatedParties</ParentRole>
      <Position>54</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>00000055 - Disclosure - Deferred Compensation (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/DeferredCompensationDetailsNarrative</Role>
      <ShortName>Deferred Compensation (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/DeferredCompensation</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>00000056 - Disclosure - Schedule of Future Rental Payments for Operating Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfFutureRentalPaymentsForOperatingLeasesDetails</Role>
      <ShortName>Schedule of Future Rental Payments for Operating Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>00000057 - Disclosure - Schedule of Operating Lease Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfOperatingLeaseCostsDetails</Role>
      <ShortName>Schedule of Operating Lease Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>00000058 - Disclosure - Commitments and Contingencies (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/CommitmentsAndContingenciesDetailsNarrative</Role>
      <ShortName>Commitments and Contingencies (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/CommitmentsAndContingenciesTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>00000059 - Disclosure - Schedule of Estimated Values of Warrants Valuation Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfEstimatedValuesOfWarrantsValuationAssumptionsDetails</Role>
      <ShortName>Schedule of Estimated Values of Warrants Valuation Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>00000060 - Disclosure - Stockholders??? Equity (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/StockholdersEquityDetailsNarrative</Role>
      <ShortName>Stockholders??? Equity (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/StockholdersEquityTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>00000061 - Disclosure - Schedule of Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfStockOptionActivityDetails</Role>
      <ShortName>Schedule of Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>00000062 - Disclosure - Schedule of Grants of Stock Options Over Requisite Service Period (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfGrantsOfStockOptionsOverRequisiteServicePeriodDetails</Role>
      <ShortName>Schedule of Grants of Stock Options Over Requisite Service Period (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>00000063 - Disclosure - Schedule of Estimated Values of Stock Option Grants Valuation Assumptions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfEstimatedValuesOfStockOptionGrantsValuationAssumptionsDetails</Role>
      <ShortName>Schedule of Estimated Values of Stock Option Grants Valuation Assumptions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>00000064 - Disclosure - Stock-Based Compensation (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/Stock-basedCompensationDetailsNarrative</Role>
      <ShortName>Stock-Based Compensation (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/Stock-basedCompensationTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>00000065 - Disclosure - Concentrations (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ConcentrationsDetailsNarrative</Role>
      <ShortName>Concentrations (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/Concentrations</ParentRole>
      <Position>65</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>00000066 - Disclosure - Summary of Income Tax Benefits (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SummaryOfIncomeTaxBenefitsDetails</Role>
      <ShortName>Summary of Income Tax Benefits (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>00000067 - Disclosure - Summary of Income Tax Benefits (Details) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SummaryOfIncomeTaxBenefitsDetailsParenthetical</Role>
      <ShortName>Summary of Income Tax Benefits (Details) (Parenthetical)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>00000068 - Disclosure - Summary of Reconciliation of Income Tax Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SummaryOfReconciliationOfIncomeTaxExpenseDetails</Role>
      <ShortName>Summary of Reconciliation of Income Tax Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>00000069 - Disclosure - Summary of Deferred Tax Assets and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SummaryOfDeferredTaxAssetsAndLiabilitiesDetails</Role>
      <ShortName>Summary of Deferred Tax Assets and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>00000070 - Disclosure - Provision For Income Taxes (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ProvisionForIncomeTaxesDetailsNarrative</Role>
      <ShortName>Provision For Income Taxes (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/ProvisionForIncomeTaxesTables</ParentRole>
      <Position>70</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>00000071 - Disclosure - Schedule of Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/ScheduleOfRelatedPartyTransactionsDetails</Role>
      <ShortName>Schedule of Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>71</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>00000072 - Disclosure - Certain Relationships and Related Transactions (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/CertainRelationshipsAndRelatedTransactionsDetailsNarrative</Role>
      <ShortName>Certain Relationships and Related Transactions (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/CertainRelationshipsAndRelatedTransactionsTables</ParentRole>
      <Position>72</Position>
    </Report>
    <Report instance="form10-k.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>00000073 - Disclosure - Subsequent Events (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://intellinetics.com/role/SubsequentEventsDetailsNarrative</Role>
      <ShortName>Subsequent Events (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://intellinetics.com/role/SubsequentEvents</ParentRole>
      <Position>73</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-K" original="form10-k.htm">form10-k.htm</File>
    <File>ex10-8.htm</File>
    <File>ex21-1.htm</File>
    <File>ex23-1.htm</File>
    <File>ex31-1.htm</File>
    <File>ex31-2.htm</File>
    <File>ex32-1.htm</File>
    <File>ex32-2.htm</File>
    <File>ex4-9.htm</File>
    <File>inlx-20211231.xsd</File>
    <File>inlx-20211231_cal.xml</File>
    <File>inlx-20211231_def.xml</File>
    <File>inlx-20211231_lab.xml</File>
    <File>inlx-20211231_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="797">http://fasb.org/us-gaap/2021-01-31</BaseTaxonomy>
    <BaseTaxonomy items="36">http://xbrl.sec.gov/dei/2021q4</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
