<?xml version='1.0' encoding='utf-8'?>
<FilingSummary>
  <Version>3.26.1</Version>
  <ProcessingTime/>
  <ReportFormat>html</ReportFormat>
  <ContextCount>295</ContextCount>
  <ElementCount>354</ElementCount>
  <EntityCount>1</EntityCount>
  <FootnotesReported>true</FootnotesReported>
  <SegmentCount>92</SegmentCount>
  <ScenarioCount>0</ScenarioCount>
  <TuplesReported>false</TuplesReported>
  <UnitCount>4</UnitCount>
  <MyReports>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R1.htm</HtmlFileName>
      <LongName>995300 - Document - Document And Entity Information</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/DocumentAndEntityInformation</Role>
      <ShortName>Document And Entity Information</ShortName>
      <MenuCategory>Cover</MenuCategory>
      <Position>1</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R2.htm</HtmlFileName>
      <LongName>995301 - Statement - Condensed Consolidated Balance Sheets (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsUnaudited</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>2</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R3.htm</HtmlFileName>
      <LongName>995302 - Statement - Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsUnauditedParentheticals</Role>
      <ShortName>Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>3</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R4.htm</HtmlFileName>
      <LongName>995303 - Statement - Condensed Consolidated Statements of Operations (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedStatementsofOperationsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Operations (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>4</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R5.htm</HtmlFileName>
      <LongName>995304 - Statement - Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedStatementsofRedeemableConvertiblePreferredStockandStockholdersEquityDeficitUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>5</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R6.htm</HtmlFileName>
      <LongName>995305 - Statement - Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) (Unaudited) (Parentheticals)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedStatementsofRedeemableConvertiblePreferredStockandStockholdersEquityDeficitUnauditedParentheticals</Role>
      <ShortName>Condensed Consolidated Statements of Redeemable Convertible Preferred Stock and Stockholders’ Equity (Deficit) (Unaudited) (Parentheticals)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>6</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R7.htm</HtmlFileName>
      <LongName>995306 - Statement - Condensed Consolidated Statements of Cash Flows (Unaudited)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedStatementsofCashFlowsUnaudited</Role>
      <ShortName>Condensed Consolidated Statements of Cash Flows (Unaudited)</ShortName>
      <MenuCategory>Statements</MenuCategory>
      <Position>7</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R8.htm</HtmlFileName>
      <LongName>995307 - Disclosure - Description of Business</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/DescriptionofBusiness</Role>
      <ShortName>Description of Business</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>8</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R9.htm</HtmlFileName>
      <LongName>995308 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPolicies</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>9</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R10.htm</HtmlFileName>
      <LongName>995309 - Disclosure - Fair Value Measurement</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/FairValueMeasurement</Role>
      <ShortName>Fair Value Measurement</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>10</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R11.htm</HtmlFileName>
      <LongName>995310 - Disclosure - Condensed Consolidated Balance Sheets Details</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Details</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>11</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R12.htm</HtmlFileName>
      <LongName>995311 - Disclosure - Short-Term Debt</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/ShortTermDebt</Role>
      <ShortName>Short-Term Debt</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>12</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R13.htm</HtmlFileName>
      <LongName>995312 - Disclosure - Convertible Notes</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://ionetix.com/20260630/role/ConvertibleNotes</Role>
      <ShortName>Convertible Notes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>13</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R14.htm</HtmlFileName>
      <LongName>995313 - Disclosure - SAFE Liability</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/SAFELiability</Role>
      <ShortName>SAFE Liability</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>14</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R15.htm</HtmlFileName>
      <LongName>995314 - Disclosure - Operating Leases</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/OperatingLeases</Role>
      <ShortName>Operating Leases</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>15</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R16.htm</HtmlFileName>
      <LongName>995315 - Disclosure - Commitments and Contingencies</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CommitmentsandContingencies</Role>
      <ShortName>Commitments and Contingencies</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>16</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R17.htm</HtmlFileName>
      <LongName>995316 - Disclosure - Redeemable Convertible Preferred Stock</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/RedeemableConvertiblePreferredStock</Role>
      <ShortName>Redeemable Convertible Preferred Stock</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>17</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R18.htm</HtmlFileName>
      <LongName>995317 - Disclosure - Stockholders’ Equity (Deficit)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockholdersEquityDeficit</Role>
      <ShortName>Stockholders’ Equity (Deficit)</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>18</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R19.htm</HtmlFileName>
      <LongName>995318 - Disclosure - Stock Option Plan</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockOptionPlan</Role>
      <ShortName>Stock Option Plan</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>19</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R20.htm</HtmlFileName>
      <LongName>995319 - Disclosure - Common Stock Warrants</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CommonStockWarrants</Role>
      <ShortName>Common Stock Warrants</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>20</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R21.htm</HtmlFileName>
      <LongName>995320 - Disclosure - Income Taxes</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/IncomeTaxes</Role>
      <ShortName>Income Taxes</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>21</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R22.htm</HtmlFileName>
      <LongName>995321 - Disclosure - Net Loss Per Share Attributable to Common Stockholders</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/NetLossPerShareAttributabletoCommonStockholders</Role>
      <ShortName>Net Loss Per Share Attributable to Common Stockholders</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>22</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R23.htm</HtmlFileName>
      <LongName>995322 - Disclosure - Related Party Transactions</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/RelatedPartyTransactions</Role>
      <ShortName>Related Party Transactions</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>23</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R24.htm</HtmlFileName>
      <LongName>995323 - Disclosure - Subsequent Events</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/SubsequentEvents</Role>
      <ShortName>Subsequent Events</ShortName>
      <MenuCategory>Notes</MenuCategory>
      <Position>24</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R25.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>25</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R26.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>26</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R27.htm</HtmlFileName>
      <LongName>996325 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Policies)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesPolicies</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Policies)</ShortName>
      <MenuCategory>Policies</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPolicies</ParentRole>
      <Position>27</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R28.htm</HtmlFileName>
      <LongName>996326 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPolicies</ParentRole>
      <Position>28</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R29.htm</HtmlFileName>
      <LongName>996327 - Disclosure - Fair Value Measurement (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/FairValueMeasurementTables</Role>
      <ShortName>Fair Value Measurement (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/FairValueMeasurement</ParentRole>
      <Position>29</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R30.htm</HtmlFileName>
      <LongName>996328 - Disclosure - Condensed Consolidated Balance Sheets Details (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetailsTables</Role>
      <ShortName>Condensed Consolidated Balance Sheets Details (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetails</ParentRole>
      <Position>30</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R31.htm</HtmlFileName>
      <LongName>996329 - Disclosure - Operating Leases (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/OperatingLeasesTables</Role>
      <ShortName>Operating Leases (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/OperatingLeases</ParentRole>
      <Position>31</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R32.htm</HtmlFileName>
      <LongName>996330 - Disclosure - Redeemable Convertible Preferred Stock (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/RedeemableConvertiblePreferredStockTables</Role>
      <ShortName>Redeemable Convertible Preferred Stock (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/RedeemableConvertiblePreferredStock</ParentRole>
      <Position>32</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R33.htm</HtmlFileName>
      <LongName>996331 - Disclosure - Stockholders’ Equity (Deficit) (Table)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockholdersEquityDeficitTable</Role>
      <ShortName>Stockholders’ Equity (Deficit) (Table)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/StockholdersEquityDeficit</ParentRole>
      <Position>33</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R34.htm</HtmlFileName>
      <LongName>996332 - Disclosure - Stock Option Plan (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockOptionPlanTables</Role>
      <ShortName>Stock Option Plan (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/StockOptionPlan</ParentRole>
      <Position>34</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R35.htm</HtmlFileName>
      <LongName>996333 - Disclosure - Common Stock Warrants (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CommonStockWarrantsTables</Role>
      <ShortName>Common Stock Warrants (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/CommonStockWarrants</ParentRole>
      <Position>35</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R36.htm</HtmlFileName>
      <LongName>996334 - Disclosure - Net Loss Per Share Attributable to Common Stockholders (Tables)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/NetLossPerShareAttributabletoCommonStockholdersTables</Role>
      <ShortName>Net Loss Per Share Attributable to Common Stockholders (Tables)</ShortName>
      <MenuCategory>Tables</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/NetLossPerShareAttributabletoCommonStockholders</ParentRole>
      <Position>36</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R37.htm</HtmlFileName>
      <LongName>996335 - Disclosure - Description of Business (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/DescriptionofBusinessDetails</Role>
      <ShortName>Description of Business (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/DescriptionofBusiness</ParentRole>
      <Position>37</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R38.htm</HtmlFileName>
      <LongName>996336 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesTables</ParentRole>
      <Position>38</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R39.htm</HtmlFileName>
      <LongName>996337 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Customers Revenue or Accounts Receivable (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesScheduleofCustomersRevenueorAccountsReceivableDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Customers Revenue or Accounts Receivable (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>39</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R40.htm</HtmlFileName>
      <LongName>996338 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Accounts Receivable, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesScheduleofAccountsReceivableNetDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Accounts Receivable, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>40</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R41.htm</HtmlFileName>
      <LongName>996339 - Disclosure - Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Disaggregated Revenue (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/BasisofPresentationandSummaryofSignificantAccountingPoliciesScheduleofDisaggregatedRevenueDetails</Role>
      <ShortName>Basis of Presentation and Summary of Significant Accounting Policies - Schedule of Disaggregated Revenue (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>41</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R42.htm</HtmlFileName>
      <LongName>996340 - Disclosure - Fair Value Measurement - Schedule of Fair Value Financial Liabilities on a Recurring Basis (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/FairValueMeasurementScheduleofFairValueFinancialLiabilitiesonaRecurringBasisDetails</Role>
      <ShortName>Fair Value Measurement - Schedule of Fair Value Financial Liabilities on a Recurring Basis (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>42</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R43.htm</HtmlFileName>
      <LongName>996341 - Disclosure - Fair Value Measurement - Schedule of Aggregate Fair Value of Financial Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/FairValueMeasurementScheduleofAggregateFairValueofFinancialLiabilitiesDetails</Role>
      <ShortName>Fair Value Measurement - Schedule of Aggregate Fair Value of Financial Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>43</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R44.htm</HtmlFileName>
      <LongName>996342 - Disclosure - Condensed Consolidated Balance Sheets Details (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetailsDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Details (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetailsTables</ParentRole>
      <Position>44</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R45.htm</HtmlFileName>
      <LongName>996343 - Disclosure - Condensed Consolidated Balance Sheets Details - Schedule of Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetailsScheduleofInventoryDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Details - Schedule of Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>45</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R46.htm</HtmlFileName>
      <LongName>996344 - Disclosure - Condensed Consolidated Balance Sheets Details - Schedule of Allowance for Inventory (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetailsScheduleofAllowanceforInventoryDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Details - Schedule of Allowance for Inventory (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>46</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R47.htm</HtmlFileName>
      <LongName>996345 - Disclosure - Condensed Consolidated Balance Sheets Details - Schedule for Prepaid Expenses and Other Current Assets (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetailsScheduleforPrepaidExpensesandOtherCurrentAssetsDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Details - Schedule for Prepaid Expenses and Other Current Assets (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>47</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R48.htm</HtmlFileName>
      <LongName>996346 - Disclosure - Condensed Consolidated Balance Sheets Details - Schedule for Property and Equipment, Net (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetailsScheduleforPropertyandEquipmentNetDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Details - Schedule for Property and Equipment, Net (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>48</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R49.htm</HtmlFileName>
      <LongName>996347 - Disclosure - Condensed Consolidated Balance Sheets Details - Schedule of Accrued Expenses and Other Current Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetailsScheduleofAccruedExpensesandOtherCurrentLiabilitiesDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Details - Schedule of Accrued Expenses and Other Current Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>49</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R50.htm</HtmlFileName>
      <LongName>996348 - Disclosure - Condensed Consolidated Balance Sheets Details - Schedule of Other Non-Current Liabilities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CondensedConsolidatedBalanceSheetsDetailsScheduleofOtherNonCurrentLiabilitiesDetails</Role>
      <ShortName>Condensed Consolidated Balance Sheets Details - Schedule of Other Non-Current Liabilities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>50</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R51.htm</HtmlFileName>
      <LongName>996349 - Disclosure - Short-Term Debt (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/ShortTermDebtDetails</Role>
      <ShortName>Short-Term Debt (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/ShortTermDebt</ParentRole>
      <Position>51</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R52.htm</HtmlFileName>
      <LongName>996350 - Disclosure - Convertible Notes (Details)</LongName>
      <ReportType>Notes</ReportType>
      <Role>http://ionetix.com/20260630/role/ConvertibleNotesDetails</Role>
      <ShortName>Convertible Notes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/ConvertibleNotes</ParentRole>
      <Position>52</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R53.htm</HtmlFileName>
      <LongName>996351 - Disclosure - SAFE Liability (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/SAFELiabilityDetails</Role>
      <ShortName>SAFE Liability (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/SAFELiability</ParentRole>
      <Position>53</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R54.htm</HtmlFileName>
      <LongName>996352 - Disclosure - Operating Lease -  Schedule of Lease Costs for Operating Leases (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/OperatingLeaseScheduleofLeaseCostsforOperatingLeasesDetails</Role>
      <ShortName>Operating Lease -  Schedule of Lease Costs for Operating Leases (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>54</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R55.htm</HtmlFileName>
      <LongName>996353 - Disclosure - Operating Leases - Schedule of Future Minimum Lease Payments Under Non-Cancellable Leases  (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/OperatingLeasesScheduleofFutureMinimumLeasePaymentsUnderNonCancellableLeasesDetails</Role>
      <ShortName>Operating Leases - Schedule of Future Minimum Lease Payments Under Non-Cancellable Leases  (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>55</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R56.htm</HtmlFileName>
      <LongName>996354 - Disclosure - Commitments and Contingencies (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CommitmentsandContingenciesDetails</Role>
      <ShortName>Commitments and Contingencies (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/CommitmentsandContingencies</ParentRole>
      <Position>56</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R57.htm</HtmlFileName>
      <LongName>996355 - Disclosure - Redeemable Convertible Preferred Stock - Schedule of Redeemable Convertible Preferred Stock (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/RedeemableConvertiblePreferredStockScheduleofRedeemableConvertiblePreferredStockDetails</Role>
      <ShortName>Redeemable Convertible Preferred Stock - Schedule of Redeemable Convertible Preferred Stock (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>57</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R58.htm</HtmlFileName>
      <LongName>996356 - Disclosure - Stockholders’ Equity (Deficit) (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockholdersEquityDeficitDetails</Role>
      <ShortName>Stockholders’ Equity (Deficit) (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/StockholdersEquityDeficitTable</ParentRole>
      <Position>58</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R59.htm</HtmlFileName>
      <LongName>996357 - Disclosure - Stockholders’ Equity (Deficit) - Schedule of Reserved Shares of Common Stock for Future Issuance (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockholdersEquityDeficitScheduleofReservedSharesofCommonStockforFutureIssuanceDetails</Role>
      <ShortName>Stockholders’ Equity (Deficit) - Schedule of Reserved Shares of Common Stock for Future Issuance (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/StockholdersEquityDeficitTable</ParentRole>
      <Position>59</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R60.htm</HtmlFileName>
      <LongName>996358 - Disclosure - Stock Option Plan (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockOptionPlanDetails</Role>
      <ShortName>Stock Option Plan (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/StockOptionPlanTables</ParentRole>
      <Position>60</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R61.htm</HtmlFileName>
      <LongName>996359 - Disclosure - Stock Option Plan - Schedule of Stock Option Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockOptionPlanScheduleofStockOptionActivityDetails</Role>
      <ShortName>Stock Option Plan - Schedule of Stock Option Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>61</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R62.htm</HtmlFileName>
      <LongName>996360 - Disclosure - Stock Option Plan - Schedule of Fair Value Inputs (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockOptionPlanScheduleofFairValueInputsDetails</Role>
      <ShortName>Stock Option Plan - Schedule of Fair Value Inputs (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>62</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R63.htm</HtmlFileName>
      <LongName>996361 - Disclosure - Stock Option Plan - Schedule of Stock Based Compensation (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/StockOptionPlanScheduleofStockBasedCompensationDetails</Role>
      <ShortName>Stock Option Plan - Schedule of Stock Based Compensation (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>63</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R64.htm</HtmlFileName>
      <LongName>996362 - Disclosure - Common Stock Warrants (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CommonStockWarrantsDetails</Role>
      <ShortName>Common Stock Warrants (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/CommonStockWarrantsTables</ParentRole>
      <Position>64</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R65.htm</HtmlFileName>
      <LongName>996363 - Disclosure - Common Stock Warrants - Schedule of Common Stock Warrant Activity (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CommonStockWarrantsScheduleofCommonStockWarrantActivityDetails</Role>
      <ShortName>Common Stock Warrants - Schedule of Common Stock Warrant Activity (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>65</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R66.htm</HtmlFileName>
      <LongName>996364 - Disclosure - Common Stock Warrants - Schedule of Fair Value of Common Stock Warrant (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/CommonStockWarrantsScheduleofFairValueofCommonStockWarrantDetails</Role>
      <ShortName>Common Stock Warrants - Schedule of Fair Value of Common Stock Warrant (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>66</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R67.htm</HtmlFileName>
      <LongName>996365 - Disclosure - Income Taxes (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/IncomeTaxesDetails</Role>
      <ShortName>Income Taxes (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/IncomeTaxes</ParentRole>
      <Position>67</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R68.htm</HtmlFileName>
      <LongName>996366 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Schedule of Basic and Diluted Net Loss Per Share (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/NetLossPerShareAttributabletoCommonStockholdersScheduleofBasicandDilutedNetLossPerShareDetails</Role>
      <ShortName>Net Loss Per Share Attributable to Common Stockholders - Schedule of Basic and Diluted Net Loss Per Share (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>68</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R69.htm</HtmlFileName>
      <LongName>996367 - Disclosure - Net Loss Per Share Attributable to Common Stockholders - Schedule of Anti-Dilutive Securities (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/NetLossPerShareAttributabletoCommonStockholdersScheduleofAntiDilutiveSecuritiesDetails</Role>
      <ShortName>Net Loss Per Share Attributable to Common Stockholders - Schedule of Anti-Dilutive Securities (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <Position>69</Position>
    </Report>
    <Report instance="ea0300237-10q_ionetix.htm">
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <HtmlFileName>R70.htm</HtmlFileName>
      <LongName>996368 - Disclosure - Related Party Transactions (Details)</LongName>
      <ReportType>Sheet</ReportType>
      <Role>http://ionetix.com/20260630/role/RelatedPartyTransactionsDetails</Role>
      <ShortName>Related Party Transactions (Details)</ShortName>
      <MenuCategory>Details</MenuCategory>
      <ParentRole>http://ionetix.com/20260630/role/RelatedPartyTransactions</ParentRole>
      <Position>70</Position>
    </Report>
    <Report>
      <IsDefault>false</IsDefault>
      <HasEmbeddedReports>false</HasEmbeddedReports>
      <LongName>All Reports</LongName>
      <ReportType>Book</ReportType>
      <ShortName>All Reports</ShortName>
    </Report>
  </MyReports>
  <InputFiles>
    <File>ck0002108121-20260630.xsd</File>
    <File>ck0002108121-20260630_cal.xml</File>
    <File>ck0002108121-20260630_def.xml</File>
    <File>ck0002108121-20260630_lab.xml</File>
    <File>ck0002108121-20260630_pre.xml</File>
    <File doctype="10-Q" isDefinitelyFs="true" isUsgaap="true" original="ea0300237-10q_ionetix.htm">ea0300237-10q_ionetix.htm</File>
  </InputFiles>
  <SupplementalFiles/>
  <BaseTaxonomies>
    <BaseTaxonomy items="888">http://fasb.org/us-gaap/2026</BaseTaxonomy>
    <BaseTaxonomy items="30">http://xbrl.sec.gov/dei/2026</BaseTaxonomy>
    <BaseTaxonomy items="4">http://xbrl.sec.gov/ecd/2026</BaseTaxonomy>
  </BaseTaxonomies>
  <HasPresentationLinkbase>true</HasPresentationLinkbase>
  <HasCalculationLinkbase>true</HasCalculationLinkbase>
</FilingSummary>
