<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.25.2</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>168</ContextCount>
  <ElementCount>325</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>73</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>5</UnitCount>
  <MyReports>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>995100 - Document - Cover</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/dei/role/document/Cover</Role>
      <ShortName>Cover</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>995300 - Document - Audit Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/dei/role/document/AuditInformation</Role>
      <ShortName>Audit Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>995301 - Statement - Consolidated Balance Sheets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ConsolidatedBalanceSheet</Role>
      <ShortName>Consolidated Balance Sheets</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>995302 - Statement - Consolidated Balance Sheets (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ConsolidatedBalanceSheet_Parentheticals</Role>
      <ShortName>Consolidated Balance Sheets (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>995303 - Statement - Consolidated Statements of Operations and Comprehensive Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ConsolidatedIncomeStatement</Role>
      <ShortName>Consolidated Statements of Operations and Comprehensive Income</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>995304 - Statement - Consolidated Statements of Changes in Shareholders??? Equity</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ShareholdersEquityType2or3</Role>
      <ShortName>Consolidated Statements of Changes in Shareholders??? Equity</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995305 - Statement - Consolidated Statements of Cash Flows</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ConsolidatedCashFlow</Role>
      <ShortName>Consolidated Statements of Cash Flows</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995306 - Disclosure - Business Overview and Basis of Presentation</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BusinessOverviewandBasisofPresentation</Role>
      <ShortName>Business Overview and Basis of Presentation</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995307 - Disclosure - Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/SummaryofSignificantAccountingPolicies</Role>
      <ShortName>Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995308 - Disclosure - Business Segment and Disaggregation of Revenue (Restatement)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatement</Role>
      <ShortName>Business Segment and Disaggregation of Revenue (Restatement)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995309 - Disclosure - Finance Income</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/FinanceIncome</Role>
      <ShortName>Finance Income</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995310 - Disclosure - Finance Costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/FinanceCosts</Role>
      <ShortName>Finance Costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995311 - Disclosure - Accounts Receivable, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/AccountsReceivableNet</Role>
      <ShortName>Accounts Receivable, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995312 - Disclosure - Inventories</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/Inventories</Role>
      <ShortName>Inventories</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995313 - Disclosure - Deferred Offering Costs</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/DeferredOfferingCosts</Role>
      <ShortName>Deferred Offering Costs</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995314 - Disclosure - Property and Equipment, Net</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/PropertyandEquipmentNet</Role>
      <ShortName>Property and Equipment, Net</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995315 - Disclosure - Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/Leases</Role>
      <ShortName>Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995316 - Disclosure - Intangible Assets</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/IntangibleAssets</Role>
      <ShortName>Intangible Assets</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995317 - Disclosure - Bank Borrowing</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BankBorrowing</Role>
      <ShortName>Bank Borrowing</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995318 - Disclosure - Shareholders??? Equity (Restatement)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ShareholdersEquityRestatement</Role>
      <ShortName>Shareholders??? Equity (Restatement)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995319 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995320 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995321 - Disclosure - Concentrations of Risk</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ConcentrationsofRisk</Role>
      <ShortName>Concentrations of Risk</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995322 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.htm</HtmlFileName>
      <LongName>995323 - Disclosure - Off-Balance Sheet Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/OffBalanceSheetTransactions</Role>
      <ShortName>Off-Balance Sheet Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>25</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.htm</HtmlFileName>
      <LongName>995324 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>26</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.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>27</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>995447 - Disclosure - Insider Trading Policies and Procedures</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/ecd/role/InsiderTradingPoliciesProc</Role>
      <ShortName>Insider Trading Policies and Procedures</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>28</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>995550 - Disclosure - Cybersecurity Risk Management and Strategy Disclosure</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://xbrl.sec.gov/cyd/role/CybersecurityRiskManagementAndStrategyDisclosure</Role>
      <ShortName>Cybersecurity Risk Management and Strategy Disclosure</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>29</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>996000 - Disclosure - Accounting Policies, by Policy (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/AccountingPoliciesByPolicy</Role>
      <ShortName>Accounting Policies, by Policy (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/SummaryofSignificantAccountingPolicies</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>996001 - Disclosure - Business Overview and Basis of Presentation (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BusinessOverviewandBasisofPresentationTables</Role>
      <ShortName>Business Overview and Basis of Presentation (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BusinessOverviewandBasisofPresentation</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>996002 - Disclosure - Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/SummaryofSignificantAccountingPoliciesTables</Role>
      <ShortName>Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/SummaryofSignificantAccountingPolicies</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>996003 - Disclosure - Business Segment and Disaggregation of Revenue (Restatement) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatementTables</Role>
      <ShortName>Business Segment and Disaggregation of Revenue (Restatement) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatement</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>996004 - Disclosure - Finance Costs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/FinanceCostsTables</Role>
      <ShortName>Finance Costs (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/FinanceCosts</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>996005 - Disclosure - Accounts Receivable, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/AccountsReceivableNetTables</Role>
      <ShortName>Accounts Receivable, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/AccountsReceivableNet</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>996006 - Disclosure - Inventories (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/InventoriesTables</Role>
      <ShortName>Inventories (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/Inventories</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>996007 - Disclosure - Deferred Offering Costs (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/DeferredOfferingCostsTables</Role>
      <ShortName>Deferred Offering Costs (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/DeferredOfferingCosts</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>996008 - Disclosure - Property and Equipment, Net (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/PropertyandEquipmentNetTables</Role>
      <ShortName>Property and Equipment, Net (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/PropertyandEquipmentNet</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>996009 - Disclosure - Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/LeasesTables</Role>
      <ShortName>Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/Leases</ParentRole>
      <Position>39</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>996010 - Disclosure - Intangible Assets (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/IntangibleAssetsTables</Role>
      <ShortName>Intangible Assets (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/IntangibleAssets</ParentRole>
      <Position>40</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>996011 - Disclosure - Bank Borrowing (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BankBorrowingTables</Role>
      <ShortName>Bank Borrowing (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BankBorrowing</ParentRole>
      <Position>41</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>996012 - Disclosure - Shareholders??? Equity (Restatement) (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ShareholdersEquityRestatementTables</Role>
      <ShortName>Shareholders??? Equity (Restatement) (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/ShareholdersEquityRestatement</ParentRole>
      <Position>42</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>996013 - Disclosure - Income Taxes (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/IncomeTaxesTables</Role>
      <ShortName>Income Taxes (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/IncomeTaxes</ParentRole>
      <Position>43</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>996014 - Disclosure - Concentrations of Risk (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ConcentrationsofRiskTables</Role>
      <ShortName>Concentrations of Risk (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/ConcentrationsofRisk</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>996015 - Disclosure - Business Overview and Basis of Presentation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BusinessOverviewandBasisofPresentationDetails</Role>
      <ShortName>Business Overview and Basis of Presentation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BusinessOverviewandBasisofPresentationTables</ParentRole>
      <Position>45</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>996016 - Disclosure - Business Overview and Basis of Presentation - Schedule of Subsidiaries Incorporated and Controlled (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofSubsidiariesIncorporatedandControlledTable</Role>
      <ShortName>Business Overview and Basis of Presentation - Schedule of Subsidiaries Incorporated and Controlled (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>996017 - Disclosure - Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/SummaryofSignificantAccountingPoliciesDetails</Role>
      <ShortName>Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/SummaryofSignificantAccountingPoliciesTables</ParentRole>
      <Position>47</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>996018 - Disclosure - Summary of Significant Accounting Policies - Schedule of Property and Equipment are Stated at Cost Less Accumulated Depreciation and Accumulated Impairment Losses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofPropertyandEquipmentareStatedatCostLessAccumulatedDepreciationandAccumulatedImpairmentLossesTable</Role>
      <ShortName>Summary of Significant Accounting Policies - Schedule of Property and Equipment are Stated at Cost Less Accumulated Depreciation and Accumulated Impairment Losses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>996019 - Disclosure - Business Segment and Disaggregation of Revenue (Restatement) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatementDetails</Role>
      <ShortName>Business Segment and Disaggregation of Revenue (Restatement) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatementTables</ParentRole>
      <Position>49</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>996020 - Disclosure - Business Segment and Disaggregation of Revenue (Restatement) - Schedule of Disaggregated Revenue from Contracts with Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofDisaggregatedRevenuefromContractswithCustomersTable</Role>
      <ShortName>Business Segment and Disaggregation of Revenue (Restatement) - Schedule of Disaggregated Revenue from Contracts with Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatementTables</ParentRole>
      <Position>50</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>996021 - Disclosure - Business Segment and Disaggregation of Revenue (Restatement) - Schedule of Revenues Earned from External Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofRevenuesEarnedfromExternalCustomersTable</Role>
      <ShortName>Business Segment and Disaggregation of Revenue (Restatement) - Schedule of Revenues Earned from External Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatementTables</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>996022 - Disclosure - Business Segment and Disaggregation of Revenue (Restatement) - Schedule of Lease Income from Sales-Type Lease and Operating Lease (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatementDetailsScheduleofLeaseIncomefromSalesTypeLeaseandOperatingLease</Role>
      <ShortName>Business Segment and Disaggregation of Revenue (Restatement) - Schedule of Lease Income from Sales-Type Lease and Operating Lease (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatementTables</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>996023 - Disclosure - Business Segment and Disaggregation of Revenue (Restatement) - Schedule of Revenues by Geographic Area Based on the Countries in Which the Customer is Located (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofRevenuesbyGeographicAreaBasedontheCountriesinWhichtheCustomerisLocatedTable</Role>
      <ShortName>Business Segment and Disaggregation of Revenue (Restatement) - Schedule of Revenues by Geographic Area Based on the Countries in Which the Customer is Located (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BusinessSegmentandDisaggregationofRevenueRestatementTables</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>996024 - Disclosure - Finance Costs - Schedule of Finance Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofFinanceCostsTable</Role>
      <ShortName>Finance Costs - Schedule of Finance Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>996025 - Disclosure - Accounts Receivable, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/AccountsReceivableNetDetails</Role>
      <ShortName>Accounts Receivable, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/AccountsReceivableNetTables</ParentRole>
      <Position>55</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>996026 - Disclosure - Accounts Receivable, Net - Schedule of Accounts Receivable, Net Consisted (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofAccountsReceivableNetConsistedTable</Role>
      <ShortName>Accounts Receivable, Net - Schedule of Accounts Receivable, Net Consisted (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>56</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>996027 - Disclosure - Accounts Receivable, Net - Schedule of Unsatisfied Performance Obligation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofUnsatisfiedPerformanceObligationTable</Role>
      <ShortName>Accounts Receivable, Net - Schedule of Unsatisfied Performance Obligation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>996028 - Disclosure - Inventories (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/InventoriesDetails</Role>
      <ShortName>Inventories (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/InventoriesTables</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>996029 - Disclosure - Inventories - Schedule of Inventories (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofInventoriesTable</Role>
      <ShortName>Inventories - Schedule of Inventories (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>59</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>996030 - Disclosure - Deferred Offering Costs - Schedule of Deferred Offering Costs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofDeferredOfferingCostsTable</Role>
      <ShortName>Deferred Offering Costs - Schedule of Deferred Offering Costs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>60</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>996031 - Disclosure - Property and Equipment, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/PropertyandEquipmentNetDetails</Role>
      <ShortName>Property and Equipment, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/PropertyandEquipmentNetTables</ParentRole>
      <Position>61</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>996032 - Disclosure - Property and Equipment, Net - Schedule of Property and Equipment (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofPropertyandEquipmentTable</Role>
      <ShortName>Property and Equipment, Net - Schedule of Property and Equipment (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>996033 - Disclosure - Property and Equipment, Net - Schedule of Cost of Revenue and General and Administrative Expenses (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofCostofRevenueandGeneralandAdministrativeExpensesTable</Role>
      <ShortName>Property and Equipment, Net - Schedule of Cost of Revenue and General and Administrative Expenses (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996034 - Disclosure - Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/LeasesDetails</Role>
      <ShortName>Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/LeasesTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996035 - Disclosure - Leases - Schedule of Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofLeasesTable</Role>
      <ShortName>Leases - Schedule of Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>996036 - Disclosure - Leases - Schedule of Maturities of Finance Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofMaturitiesofFinanceLeaseLiabilitiesTable</Role>
      <ShortName>Leases - Schedule of Maturities of Finance Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>996037 - Disclosure - Leases - Schedule of Maturities of Operating Lease Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofMaturitiesofOperatingLeaseLiabilitiesTable</Role>
      <ShortName>Leases - Schedule of Maturities of Operating Lease Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>67</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>996038 - Disclosure - Leases - Schedule of Sales-Type Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofSalesTypeLeasesTable</Role>
      <ShortName>Leases - Schedule of Sales-Type Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>996039 - Disclosure - Leases - Schedule of Undiscounted Cash Flows of Sales-Type Lease Receivables from Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofUndiscountedCashFlowsofSalesTypeLeaseReceivablesfromCustomersTable</Role>
      <ShortName>Leases - Schedule of Undiscounted Cash Flows of Sales-Type Lease Receivables from Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>996040 - Disclosure - Leases - Schedule of Undiscounted Cash Flows of Operating Lease Receivables from Customers (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofUndiscountedCashFlowsofOperatingLeaseReceivablesfromCustomersTable</Role>
      <ShortName>Leases - Schedule of Undiscounted Cash Flows of Operating Lease Receivables from Customers (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>70</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R71.htm</HtmlFileName>
      <LongName>996041 - Disclosure - Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/IntangibleAssetsDetails</Role>
      <ShortName>Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/IntangibleAssetsTables</ParentRole>
      <Position>71</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R72.htm</HtmlFileName>
      <LongName>996042 - Disclosure - Intangible Assets - Schedule of Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofIntangibleAssetsTable</Role>
      <ShortName>Intangible Assets - Schedule of Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>72</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R73.htm</HtmlFileName>
      <LongName>996043 - Disclosure - Intangible Assets - Schedule of Estimated Future Amortization of Finite-Lived Intangible Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofEstimatedFutureAmortizationofFiniteLivedIntangibleAssetsTable</Role>
      <ShortName>Intangible Assets - Schedule of Estimated Future Amortization of Finite-Lived Intangible Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>73</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R74.htm</HtmlFileName>
      <LongName>996044 - Disclosure - Bank Borrowing (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/BankBorrowingDetails</Role>
      <ShortName>Bank Borrowing (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/BankBorrowingTables</ParentRole>
      <Position>74</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R75.htm</HtmlFileName>
      <LongName>996045 - Disclosure - Bank Borrowing - Schedule of Bank Borrowing (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofBankBorrowingTable</Role>
      <ShortName>Bank Borrowing - Schedule of Bank Borrowing (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>75</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R76.htm</HtmlFileName>
      <LongName>996046 - Disclosure - Shareholders??? Equity (Restatement) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ShareholdersEquityRestatementDetails</Role>
      <ShortName>Shareholders??? Equity (Restatement) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/ShareholdersEquityRestatementTables</ParentRole>
      <Position>76</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R77.htm</HtmlFileName>
      <LongName>996047 - Disclosure - Shareholders??? Equity (Restatement) - Schedule of Dividend Distribution (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofDividendDistributionTable</Role>
      <ShortName>Shareholders??? Equity (Restatement) - Schedule of Dividend Distribution (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/ShareholdersEquityRestatementTables</ParentRole>
      <Position>77</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R78.htm</HtmlFileName>
      <LongName>996048 - Disclosure - Shareholders??? Equity (Restatement) - Schedule of Dividend Distribution (Parentheticals) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofDividendDistributionTable_Parentheticals</Role>
      <ShortName>Shareholders??? Equity (Restatement) - Schedule of Dividend Distribution (Parentheticals) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/ShareholdersEquityRestatementTables</ParentRole>
      <Position>78</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R79.htm</HtmlFileName>
      <LongName>996049 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/IncomeTaxesTables</ParentRole>
      <Position>79</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R80.htm</HtmlFileName>
      <LongName>996050 - Disclosure - Income Taxes - Schedule of Provision for Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofProvisionforIncomeTaxesTable</Role>
      <ShortName>Income Taxes - Schedule of Provision for Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>80</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R81.htm</HtmlFileName>
      <LongName>996051 - Disclosure - Income Taxes - Schedule of Reconciliation of Income Tax Rate (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofReconciliationofIncomeTaxRateTable</Role>
      <ShortName>Income Taxes - Schedule of Reconciliation of Income Tax Rate (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>81</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R82.htm</HtmlFileName>
      <LongName>996052 - Disclosure - Concentrations of Risk (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ConcentrationsofRiskDetails</Role>
      <ShortName>Concentrations of Risk (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/ConcentrationsofRiskTables</ParentRole>
      <Position>82</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R83.htm</HtmlFileName>
      <LongName>996053 - Disclosure - Concentrations of Risk - Schedule of Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/ScheduleofRevenueTable</Role>
      <ShortName>Concentrations of Risk - Schedule of Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>83</Position>
    </Report>
    <Report instance="ea0247193-20f_iothree.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R84.htm</HtmlFileName>
      <LongName>996054 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://www.io3.sg.com/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://www.io3.sg.com/role/CommitmentsandContingencies</ParentRole>
      <Position>84</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="20-F" isDefinitelyFs="true" isUsgaap="true" original="ea0247193-20f_iothree.htm">ea0247193-20f_iothree.htm</File>
    <File>iotr-20250331.xsd</File>
    <File>iotr-20250331_cal.xml</File>
    <File>iotr-20250331_def.xml</File>
    <File>iotr-20250331_lab.xml</File>
    <File>iotr-20250331_pre.xml</File>
  </InputFiles>
  <SupplementalFiles>
    <File>image_001.jpg</File>
    <File>image_002.jpg</File>
    <File>image_003.jpg</File>
    <File>image_004.jpg</File>
    <File>image_005.jpg</File>
    <File>image_006.jpg</File>
    <File>image_007.jpg</File>
    <File>image_008.jpg</File>
    <File>image_009.jpg</File>
    <File>image_010.jpg</File>
    <File>image_011.jpg</File>
  </SupplementalFiles>
  <BaseTaxonomies>
    <BaseTaxonomy items="676">http://fasb.org/us-gaap/2025</BaseTaxonomy>
    <BaseTaxonomy items="10">http://xbrl.sec.gov/cyd/2025</BaseTaxonomy>
    <BaseTaxonomy items="48">http://xbrl.sec.gov/dei/2025</BaseTaxonomy>
    <BaseTaxonomy items="1">http://xbrl.sec.gov/ecd/2025</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
