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| <element id="intz_OperatingLeasesMember" name="OperatingLeasesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_FinancingLeasesMember" name="FinancingLeasesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_OperatingRouLeasesMember" name="OperatingRouLeasesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_FinanceRouLeasesMember" name="FinanceRouLeasesMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_StreetervilleCapitalLLCMember" name="StreetervilleCapitalLLCMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_StreetervilleCapitalMember" name="StreetervilleCapitalMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_AsCorrectedMember" name="AsCorrectedMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_FinanceLeaseLiabilitiesNoncurrentPortion" name="FinanceLeaseLiabilitiesNoncurrentPortion" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_IssuanceOfSharesFromRegisteredDirectOffering" name="IssuanceOfSharesFromRegisteredDirectOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_IssuanceOfSharesToTerminateOperatingLease" name="IssuanceOfSharesToTerminateOperatingLease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_RegisteredDirectOfferingProceedsNetOfFees" name="RegisteredDirectOfferingProceedsNetOfFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_IssuanceOfCommonStockToTerminateOperatingLease" name="IssuanceOfCommonStockToTerminateOperatingLease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_RegisteredDirectProceeds" name="RegisteredDirectProceeds" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_IssuanceOfStockToTerminateOperatingLease" name="IssuanceOfStockToTerminateOperatingLease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_NoncashInterestOnNotesPayable" name="NoncashInterestOnNotesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_EmployeeRetentionCredit" name="EmployeeRetentionCredit" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_GainLossOnTerminationModificationOfLease" name="GainLossOnTerminationModificationOfLease" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_ProceedsFromRegisteredDirectOfferingNetOfFees" name="ProceedsFromRegisteredDirectOfferingNetOfFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_CommonStockIssuedForLeaseTermination" name="CommonStockIssuedForLeaseTermination" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_AssetsAcquiredUnderRightOfUseRouOperatingLease" name="AssetsAcquiredUnderRightOfUseRouOperatingLease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_AssetsAcquiredUnderRouFinanceLease" name="AssetsAcquiredUnderRouFinanceLease" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_DisclosureRegisteredDirectOfferingAbstract" name="DisclosureRegisteredDirectOfferingAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_RegisteredDirectOfferingTextBlock" name="RegisteredDirectOfferingTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_DisclosureRightofuseAssetAndLeasingLiabilitiesAbstract" name="DisclosureRightofuseAssetAndLeasingLiabilitiesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_DisclosureCaresActEmployeeRetentionCreditReceivableAbstract" name="DisclosureCaresActEmployeeRetentionCreditReceivableAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_CaresActEmployeeRetentionCreditReceivableTextBlock" name="CaresActEmployeeRetentionCreditReceivableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_DisclosureCorrectionOfImmaterialErrorsAbstract" name="DisclosureCorrectionOfImmaterialErrorsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_CorrectionOfImmaterialErrorsTextBlock" name="CorrectionOfImmaterialErrorsTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_ScheduleOfContractLiabilityTableTextBlock" name="ScheduleOfContractLiabilityTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_ContractLiabilitiesAdditions" name="ContractLiabilitiesAdditions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_LeaseAbandonmentCharges" name="LeaseAbandonmentCharges" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_DutyToMitigateDamages" name="DutyToMitigateDamages" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueInRollingYearTwo" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueInRollingYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueInRollingYearThree" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueInRollingYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueInRollingYearFour" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueInRollingYearFour" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueInRollingYearFive" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDueInRollingYearFive" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| <element id="intz_LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue" name="LesseeOperatingAndFinanceLeaseLiabilityPaymentsDue" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item"/> |
| </schema> |