<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.24.3</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>444</ContextCount>
  <ElementCount>266</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>147</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</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://oncotelic.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 - Consolidated Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/BalanceSheets</Role>
      <ShortName>Consolidated Balance Sheets (Unaudited)</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 - Consolidated Balance Sheets (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/BalanceSheetsParenthetical</Role>
      <ShortName>Consolidated Balance Sheets (Unaudited) (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 - Consolidated Statements of Operations (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/StatementsOfOperations</Role>
      <ShortName>Consolidated Statements of Operations (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 - Consolidated Statement of Stockholders' Equity (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/StatementOfStockholdersEquity</Role>
      <ShortName>Consolidated Statement of Stockholders' Equity (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 - Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/StatementsOfCashFlows</Role>
      <ShortName>Consolidated Statements of Cash Flows (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 - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/DescriptionOfBusinessAndBasisOfPresentation</Role>
      <ShortName>DESCRIPTION OF BUSINESS AND 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 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/SummaryOfSignificantAccountingPolicies</Role>
      <ShortName>SUMMARY OF 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 - INTANGIBLE ASSETS AND GOODWILL</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/IntangibleAssetsAndGoodwill</Role>
      <ShortName>INTANGIBLE ASSETS AND GOODWILL</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 PAYABLE AND ACCRUED EXPENSES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/AccountsPayableAndAccruedExpenses</Role>
      <ShortName>ACCOUNTS PAYABLE AND ACCRUED EXPENSES</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 - CONVERTIBLE DEBENTURES, NOTES AND OTHER DEBT</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://oncotelic.com/role/ConvertibleDebenturesNotesAndOtherDebt</Role>
      <ShortName>CONVERTIBLE DEBENTURES, NOTES AND OTHER DEBT</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 - JOINT VENTURE WITH GMP BIO AND AFFILIATES, EQUITY METHOD INVESTMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/JointVentureWithGmpBioAndAffiliatesEquityMethodInvestment</Role>
      <ShortName>JOINT VENTURE WITH GMP BIO AND AFFILIATES, EQUITY METHOD INVESTMENT</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 - PRIVATE PLACEMENT AND JH DARBIE FINANCING</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/PrivatePlacementAndJhDarbieFinancing</Role>
      <ShortName>PRIVATE PLACEMENT AND JH DARBIE FINANCING</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 - PRIVATE PLACEMENT -2 (PPM-2) AND JH DARBIE FUNDING</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/PrivatePlacement-2Ppm-2AndJhDarbieFunding</Role>
      <ShortName>PRIVATE PLACEMENT -2 (PPM-2) AND JH DARBIE FUNDING</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 - RELATED PARTY TRANSACTIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/RelatedPartyTransactions</Role>
      <ShortName>RELATED PARTY TRANSACTIONS</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 - EQUITY PURCHASE AGREEMENT AND REGISTRATION RIGHTS AGREEMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/EquityPurchaseAgreementAndRegistrationRightsAgreement</Role>
      <ShortName>EQUITY PURCHASE AGREEMENT AND REGISTRATION RIGHTS AGREEMENT</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 - STOCKHOLDERS??? EQUITY</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/StockholdersEquity</Role>
      <ShortName>STOCKHOLDERS??? EQUITY</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 - STOCK-BASED COMPENSATION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/Stock-basedCompensation</Role>
      <ShortName>STOCK-BASED COMPENSATION</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 - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/IncomeTaxes</Role>
      <ShortName>INCOME TAXES</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 - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/CommitmentsAndContingencies</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</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 - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/SubsequentEvents</Role>
      <ShortName>SUBSEQUENT EVENTS</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 - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/SummaryOfSignificantAccountingPoliciesPolicies</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>00000023 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/SummaryOfSignificantAccountingPoliciesTables</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://oncotelic.com/role/SummaryOfSignificantAccountingPolicies</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>00000024 - Disclosure - INTANGIBLE ASSETS AND GOODWILL (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/IntangibleAssetsAndGoodwillTables</Role>
      <ShortName>INTANGIBLE ASSETS AND GOODWILL (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://oncotelic.com/role/IntangibleAssetsAndGoodwill</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>00000025 - Disclosure - ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/AccountsPayableAndAccruedExpensesTables</Role>
      <ShortName>ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://oncotelic.com/role/AccountsPayableAndAccruedExpenses</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>00000026 - Disclosure - CONVERTIBLE DEBENTURES, NOTES AND OTHER DEBT (Tables)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://oncotelic.com/role/ConvertibleDebenturesNotesAndOtherDebtTables</Role>
      <ShortName>CONVERTIBLE DEBENTURES, NOTES AND OTHER DEBT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://oncotelic.com/role/ConvertibleDebenturesNotesAndOtherDebt</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>00000027 - Disclosure - JOINT VENTURE WITH GMP BIO AND AFFILIATES, EQUITY METHOD INVESTMENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/JointVentureWithGmpBioAndAffiliatesEquityMethodInvestmentTables</Role>
      <ShortName>JOINT VENTURE WITH GMP BIO AND AFFILIATES, EQUITY METHOD INVESTMENT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://oncotelic.com/role/JointVentureWithGmpBioAndAffiliatesEquityMethodInvestment</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>00000028 - Disclosure - PRIVATE PLACEMENT AND JH DARBIE FINANCING (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/PrivatePlacementAndJhDarbieFinancingTables</Role>
      <ShortName>PRIVATE PLACEMENT AND JH DARBIE FINANCING (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://oncotelic.com/role/PrivatePlacementAndJhDarbieFinancing</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>00000029 - Disclosure - PRIVATE PLACEMENT -2 (PPM-2) AND JH DARBIE FUNDING (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/PrivatePlacement-2Ppm-2AndJhDarbieFundingTables</Role>
      <ShortName>PRIVATE PLACEMENT -2 (PPM-2) AND JH DARBIE FUNDING (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://oncotelic.com/role/PrivatePlacementAndJhDarbieFinancing</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>00000030 - Disclosure - STOCK-BASED COMPENSATION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/Stock-basedCompensationTables</Role>
      <ShortName>STOCK-BASED COMPENSATION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://oncotelic.com/role/Stock-basedCompensation</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>00000031 - Disclosure - SCHEDULE OF UNREALIZED GAINS AND LOSSES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfUnrealizedGainsAndLossesDetails</Role>
      <ShortName>SCHEDULE OF UNREALIZED GAINS AND LOSSES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>00000032 - Disclosure - SUMMARY OF CHANGES IN FAIR VALUE OF DERIVATIVE LIABILITIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/SummaryOfChangesInFairValueOfDerivativeLiabilitiesDetails</Role>
      <ShortName>SUMMARY OF CHANGES IN FAIR VALUE OF DERIVATIVE LIABILITIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>00000033 - Disclosure - SUMMARY OF ESTIMATE FAIR VALUE OF DERIVATIVE LIABILITIES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/SummaryOfEstimateFairValueOfDerivativeLiabilitiesDetails</Role>
      <ShortName>SUMMARY OF ESTIMATE FAIR VALUE OF DERIVATIVE LIABILITIES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>33</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>00000034 - Disclosure - DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/DescriptionOfBusinessAndBasisOfPresentationDetailsNarrative</Role>
      <ShortName>DESCRIPTION OF BUSINESS AND BASIS OF PRESENTATION (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/DescriptionOfBusinessAndBasisOfPresentation</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>00000035 - Disclosure - SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/SummaryOfSignificantAccountingPoliciesDetailsNarrative</Role>
      <ShortName>SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/SummaryOfSignificantAccountingPoliciesTables</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>00000036 - Disclosure - SUMMARY OF GOODWILL (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/SummaryOfGoodwillDetails</Role>
      <ShortName>SUMMARY OF GOODWILL (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>36</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>00000037 - Disclosure - INTANGIBLE ASSETS AND GOODWILL (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/IntangibleAssetsAndGoodwillDetailsNarrative</Role>
      <ShortName>INTANGIBLE ASSETS AND GOODWILL (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/IntangibleAssetsAndGoodwillTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>00000038 - Disclosure - SCHEDULE OF ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfAccountsPayableAndAccruedExpensesDetails</Role>
      <ShortName>SCHEDULE OF ACCOUNTS PAYABLE AND ACCRUED EXPENSES (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>00000039 - Disclosure - SCHEDULE OF CONVERTIBLE DEBENTURES AND NOTES, NET OF DISCOUNT (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfConvertibleDebenturesAndNotesNetOfDiscountDetails</Role>
      <ShortName>SCHEDULE OF CONVERTIBLE DEBENTURES AND NOTES, NET OF DISCOUNT (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>00000040 - Disclosure - SCHEDULE OF CONVERTIBLE NOTES, NET OF DISCOUNT (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfConvertibleNotesNetOfDiscountDetails</Role>
      <ShortName>SCHEDULE OF CONVERTIBLE NOTES, NET OF DISCOUNT (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 - SCHEDULE OF SHORT-TERM LOANS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfShort-termLoansDetails</Role>
      <ShortName>SCHEDULE OF SHORT-TERM LOANS (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>00000042 - Disclosure - CONVERTIBLE DEBENTURES, NOTES AND OTHER DEBT (Details Narrative)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://oncotelic.com/role/ConvertibleDebenturesNotesAndOtherDebtDetailsNarrative</Role>
      <ShortName>CONVERTIBLE DEBENTURES, NOTES AND OTHER DEBT (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/ConvertibleDebenturesNotesAndOtherDebtTables</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>00000043 - Disclosure - SCHEDULE OF CHANGE IN FAIR VALUE OF OUR INVESTMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfChangeInFairValueOfOurInvestmentDetails</Role>
      <ShortName>SCHEDULE OF CHANGE IN FAIR VALUE OF OUR INVESTMENT (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 - JOINT VENTURE WITH GMP BIO AND AFFILIATES, EQUITY METHOD INVESTMENT (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/JointVentureWithGmpBioAndAffiliatesEquityMethodInvestmentDetailsNarrative</Role>
      <ShortName>JOINT VENTURE WITH GMP BIO AND AFFILIATES, EQUITY METHOD INVESTMENT (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/JointVentureWithGmpBioAndAffiliatesEquityMethodInvestmentTables</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 FUNDS RECEIVED UNDER THE SUBSCRIPTION AGREEMENT (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfFundsReceivedUnderSubscriptionAgreementDetails</Role>
      <ShortName>SCHEDULE OF FUNDS RECEIVED UNDER THE SUBSCRIPTION AGREEMENT (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 - PRIVATE PLACEMENT AND JH DARBIE FINANCING (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/PrivatePlacementAndJhDarbieFinancingDetailsNarrative</Role>
      <ShortName>PRIVATE PLACEMENT AND JH DARBIE FINANCING (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/PrivatePlacementAndJhDarbieFinancingTables</ParentRole>
      <Position>46</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>00000047 - Disclosure - SCHEDULE OF FAIR VALUE WARRANTS (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfFairValueWarrantsDetails</Role>
      <ShortName>SCHEDULE OF FAIR VALUE WARRANTS (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 - PRIVATE PLACEMENT -2 (PPM-2) AND JH DARBIE FUNDING (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/PrivatePlacement-2Ppm-2AndJhDarbieFundingDetailsNarrative</Role>
      <ShortName>PRIVATE PLACEMENT -2 (PPM-2) AND JH DARBIE FUNDING (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/PrivatePlacementAndJhDarbieFinancingTables</ParentRole>
      <Position>48</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>00000049 - Disclosure - RELATED PARTY TRANSACTIONS (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/RelatedPartyTransactionsDetailsNarrative</Role>
      <ShortName>RELATED PARTY TRANSACTIONS (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/RelatedPartyTransactions</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>00000050 - Disclosure - STOCKHOLDERS??? EQUITY (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/StockholdersEquityDetailsNarrative</Role>
      <ShortName>STOCKHOLDERS??? EQUITY (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/StockholdersEquity</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>00000051 - Disclosure - SCHEDULE OF COMPENSATION BASED STOCK OPTION ACTIVITY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfCompensationBasedStockOptionActivityDetails</Role>
      <ShortName>SCHEDULE OF COMPENSATION BASED STOCK OPTION ACTIVITY (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 - SCHEDULE OF OPTIONS TO PURCHASE SHARES OF COMMON STOCK OUTSTANDING AND EXERCISABLE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfOptionsToPurchaseSharesOfCommonStockOutstandingAndExercisableDetails</Role>
      <ShortName>SCHEDULE OF OPTIONS TO PURCHASE SHARES OF COMMON STOCK OUTSTANDING AND EXERCISABLE (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>52</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>00000053 - Disclosure - SCHEDULE OF WARRANTS ACTIVITY (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfWarrantsActivityDetails</Role>
      <ShortName>SCHEDULE OF WARRANTS ACTIVITY (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 WARRANTS OUTSTANDING AND EXERCISABLE (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/ScheduleOfWarrantsOutstandingAndExercisableDetails</Role>
      <ShortName>SCHEDULE OF WARRANTS OUTSTANDING AND EXERCISABLE (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 - STOCK-BASED COMPENSATION (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/Stock-basedCompensationDetailsNarrative</Role>
      <ShortName>STOCK-BASED COMPENSATION (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/Stock-basedCompensationTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>00000056 - Disclosure - INCOME TAXES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/IncomeTaxesDetailsNarrative</Role>
      <ShortName>INCOME TAXES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/IncomeTaxes</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="form10-q.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>00000057 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://oncotelic.com/role/CommitmentsAndContingenciesDetailsNarrative</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://oncotelic.com/role/CommitmentsAndContingencies</ParentRole>
      <Position>57</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" isDefinitelyFs="true" isUsgaap="true" original="form10-q.htm">form10-q.htm</File>
    <File>otlc-20240930.xsd</File>
    <File>otlc-20240930_cal.xml</File>
    <File>otlc-20240930_def.xml</File>
    <File>otlc-20240930_lab.xml</File>
    <File>otlc-20240930_pre.xml</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="890">http://fasb.org/us-gaap/2024</BaseTaxonomy>
    <BaseTaxonomy items="26">http://xbrl.sec.gov/dei/2024</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
