<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>105</ContextCount>
  <ElementCount>202</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>false</FootnotesReported>
  <SegmentCount>44</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>7</UnitCount>
  <MyReports>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>75000 - Document - Document and Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DocumentDocumentAndEntityInformation</Role>
      <ShortName>Document and Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>75010 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheetsUnaudited</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>75020 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_StatementCondensedConsolidatedBalanceSheetsUnauditedParenthetical</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited) (Parenthetical)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>75030 - Statement - Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/StatementCondensedConsolidatedStatementsOfOperationsAndComprehensiveIncomeLossUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Operations and Comprehensive Income (Loss) (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>75040 - Statement - Condensed Consolidated Statements of Changes in Stockholders' Deficit (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfChangesInStockholdersDeficitUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Changes in Stockholders' Deficit (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>75050 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_StatementCondensedConsolidatedStatementsOfCashFlowsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995410 - Disclosure - Pay vs Performance Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/PvpDisclosure</Role>
      <ShortName>Pay vs Performance Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995445 - Disclosure - Insider Trading Arrangements</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingArrangements</Role>
      <ShortName>Insider Trading Arrangements</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995455 - Disclosure - NATURE OF OPERATIONS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureNATUREOFOPERATIONS</Role>
      <ShortName>NATURE OF OPERATIONS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995465 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureSIGNIFICANTACCOUNTINGPOLICIES</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995475 - Disclosure - REVENUE RECOGNITION</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureREVENUERECOGNITION</Role>
      <ShortName>REVENUE RECOGNITION</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995485 - Disclosure - OTHER INTANGIBLE ASSETS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureOtherIntangibleAssets</Role>
      <ShortName>OTHER INTANGIBLE ASSETS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995495 - Disclosure - LONG-TERM DEBT AND LIABILITIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureLongtermDebtAndLiabilities</Role>
      <ShortName>LONG-TERM DEBT AND LIABILITIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995505 - Disclosure - COMMITMENTS AND CONTINGENCIES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureCOMMITMENTSANDCONTINGENCIES</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995515 - Disclosure - SEGMENT</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureSegment</Role>
      <ShortName>SEGMENT</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995525 - Disclosure - INCOME TAXES</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureINCOMETAXES</Role>
      <ShortName>INCOME TAXES</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995535 - Disclosure - SUBSEQUENT EVENTS</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureSubsequentEvents</Role>
      <ShortName>SUBSEQUENT EVENTS</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995545 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureSIGNIFICANTACCOUNTINGPOLICIESPolicies</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995555 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureSIGNIFICANTACCOUNTINGPOLICIESTables</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureSIGNIFICANTACCOUNTINGPOLICIES</ParentRole>
      <Position>19</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995565 - Disclosure - REVENUE RECOGNITION (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureREVENUERECOGNITIONTables</Role>
      <ShortName>REVENUE RECOGNITION (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureREVENUERECOGNITION</ParentRole>
      <Position>20</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995575 - Disclosure - OTHER INTANGIBLE ASSETS (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureOtherIntangibleAssetsTables</Role>
      <ShortName>OTHER INTANGIBLE ASSETS (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureOtherIntangibleAssets</ParentRole>
      <Position>21</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995585 - Disclosure - SEGMENT (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureSegmentTables</Role>
      <ShortName>SEGMENT (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureSegment</ParentRole>
      <Position>22</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995595 - Disclosure - LONG-TERM DEBT AND LIABILITIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureLongtermDebtAndLiabilitiesTables</Role>
      <ShortName>LONG-TERM DEBT AND LIABILITIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureLongtermDebtAndLiabilities</ParentRole>
      <Position>23</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995605 - Disclosure - COMMITMENTS AND CONTINGENCIES (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureCOMMITMENTSANDCONTINGENCIESTables</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureCOMMITMENTSANDCONTINGENCIES</ParentRole>
      <Position>24</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995615 - Disclosure - NATURE OF OPERATIONS - (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureNatureOfOperationsDetailsNarrative</Role>
      <ShortName>NATURE OF OPERATIONS - (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureNATUREOFOPERATIONS</ParentRole>
      <Position>25</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995625 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureSIGNIFICANTACCOUNTINGPOLICIESDetailsNarrative</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureSIGNIFICANTACCOUNTINGPOLICIESTables</ParentRole>
      <Position>26</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>995635 - Disclosure - SIGNIFICANT ACCOUNTING POLICIES - Finite Lived Intangible Assets Estimated Economic Lives (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureSIGNIFICANTACCOUNTINGPOLICIESFiniteLivedIntangibleAssetsEstimatedEconomicLivesDetails</Role>
      <ShortName>SIGNIFICANT ACCOUNTING POLICIES - Finite Lived Intangible Assets Estimated Economic Lives (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>27</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995645 - Disclosure - REVENUE RECOGNITION - Summary of Disaggregation of Revenue by Geographic Location (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureREVENUERECOGNITIONSummaryOfDisaggregationOfRevenueByGeographicLocationDetails</Role>
      <ShortName>REVENUE RECOGNITION - Summary of Disaggregation of Revenue by Geographic Location (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995655 - Disclosure - REVENUE RECOGNITION (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureREVENUERECOGNITIONDetailsNarrative</Role>
      <ShortName>REVENUE RECOGNITION (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureREVENUERECOGNITIONTables</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>995665 - Disclosure - OTHER INTANGIBLE ASSETS (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureOtherIntangibleAssetsDetailsNarrative</Role>
      <ShortName>OTHER INTANGIBLE ASSETS (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureOtherIntangibleAssetsTables</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>995675 - Disclosure - OTHER INTANGIBLE ASSETS - Schedule of Other Intangible Assets, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureOtherIntangibleAssetsScheduleOfOtherIntangibleAssetsNetDetails</Role>
      <ShortName>OTHER INTANGIBLE ASSETS - Schedule of Other Intangible Assets, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>31</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>995685 - Disclosure - LONG-TERM DEBT AND LIABILITIES - Schedule of Long-term Debt and Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureLongtermDebtAndLiabilitiesScheduleOfLongtermDebtAndLiabilitiesDetails</Role>
      <ShortName>LONG-TERM DEBT AND LIABILITIES - Schedule of Long-term Debt and Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>32</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>995705 - Disclosure - LONG-TERM DEBT AND LIABILITIES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureLongtermDebtAndLiabilitiesDetailsNarrative</Role>
      <ShortName>LONG-TERM DEBT AND LIABILITIES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureLongtermDebtAndLiabilitiesTables</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>995715 - Disclosure - LONG-TERM DEBT AND LIABILITIES - Schedule of Future Maturities of Long-term Obligations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureLongtermDebtAndLiabilitiesScheduleOfFutureMaturitiesOfLongtermObligationsDetails</Role>
      <ShortName>LONG-TERM DEBT AND LIABILITIES - Schedule of Future Maturities of Long-term Obligations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>34</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>995725 - Disclosure - COMMITMENTS AND CONTINGENCIES - Schedule of Client Revenue Concentrations (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureCOMMITMENTSANDCONTINGENCIESScheduleOfClientRevenueConcentrationsDetails</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES - Schedule of Client Revenue Concentrations (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>35</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>995735 - Disclosure - COMMITMENTS AND CONTINGENCIES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureCommitmentsAndContingenciesDetailsNarrative</Role>
      <ShortName>COMMITMENTS AND CONTINGENCIES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureCOMMITMENTSANDCONTINGENCIESTables</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>995745 - Disclosure - SEGMENT (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureSegmentDetailsNarrative</Role>
      <ShortName>SEGMENT (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureSegmentTables</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>995755 - Disclosure - SEGMENT - Summary of Significant Segment Expense (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/DisclosureSegmentSummaryOfSignificantSegmentExpenseDetails</Role>
      <ShortName>SEGMENT - Summary of Significant Segment Expense (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>38</Position>
    </Report>
    <Report instance="glxz-20260331.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>995765 - Disclosure - INCOME TAXES (Details Narrative)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureINCOMETAXESDetailsNarrative</Role>
      <ShortName>INCOME TAXES (Details Narrative)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.galaxygaming.com/20260331/taxonomy/role/Role_DisclosureINCOMETAXES</ParentRole>
      <Position>39</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="glxz-20260331.htm">glxz-20260331.htm</File>
    <File>glxz-20260331.xsd</File>
  </InputFiles>
  <SupplementalFiles>
    <File>img62367100_0.gif</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="387">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="28">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>false</HasPresentationLinkbase>
  <HasCalculationLinkbase>false</HasCalculationLinkbase>
</FilingSummary>
