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    <element id="ATCH_WilsonDavisCoIncMember" name="WilsonDavisCoIncMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ServicesLicenseAgreementMember" name="ServicesLicenseAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_VendorMember" name="VendorMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InvestorWarrantsMember" name="InvestorWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PlacementAgentWarrantsMember" name="PlacementAgentWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PlacementAgentMember" name="PlacementAgentMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SecuredNoteWarrantsMember" name="SecuredNoteWarrantsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PerformanceBasedStockAwardOneMember" name="PerformanceBasedStockAwardOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PerformanceBasedStockAwardTwoMember" name="PerformanceBasedStockAwardTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PerformanceBasedStockAwardThreeMember" name="PerformanceBasedStockAwardThreeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PerformanceBasedStockAwardFourMember" name="PerformanceBasedStockAwardFourMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PerformanceBasedStockAwardFiveMember" name="PerformanceBasedStockAwardFiveMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PerformanceBasedStockAwardMember" name="PerformanceBasedStockAwardMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TrancheOneMember" name="TrancheOneMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TrancheTwoMember" name="TrancheTwoMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TrancheThreeMember" name="TrancheThreeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TrancheFourMember" name="TrancheFourMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TrancheFiveMember" name="TrancheFiveMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ConvertibleNotesDerivativeMember" name="ConvertibleNotesDerivativeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SecuredConvertibleNoteMember" name="SecuredConvertibleNoteMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SettlementWinstonAndStrawnAgreementMember" name="SettlementWinstonAndStrawnAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LongTermNotesAndChardanNoteMember" name="LongTermNotesAndChardanNoteMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MergerFinancingNoteMember" name="MergerFinancingNoteMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SecuritiesPurchaseAgreementMember" name="SecuritiesPurchaseAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TwoThousandTwentyFiveWarrantLiabilityMember" name="TwoThousandTwentyFiveWarrantLiabilityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MeasurementInputRecoveryRateMember" name="MeasurementInputRecoveryRateMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MeasurementInputInterestBalanceMember" name="MeasurementInputInterestBalanceMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MeasurementInputAnticipatedMonthlyAdvancePaymentsMember" name="MeasurementInputAnticipatedMonthlyAdvancePaymentsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnoutLiabilityMember" name="EarnoutLiabilityMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MergerFinancingDerivativeMember" name="MergerFinancingDerivativeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ContingentGuaranteeMember" name="ContingentGuaranteeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebentureDerivativeMember" name="DebentureDerivativeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ConvertibleNoteDerivativeMember" name="ConvertibleNoteDerivativeMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SingleReportableSegmentMember" name="SingleReportableSegmentMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_IncentivePlanMember" name="IncentivePlanMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EquityAwardAgreementsMember" name="EquityAwardAgreementsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TwoThousandTwentyFiveStockOptionsMember" name="TwoThousandTwentyFiveStockOptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockOptionsMember" name="StockOptionsMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MessrsSchaibleMember" name="MessrsSchaibleMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RidenhourMember" name="RidenhourMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebentureAgreementMember" name="DebentureAgreementMember" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashSegregatedProprietaryAccountsOfBrokerDealers" name="CashSegregatedProprietaryAccountsOfBrokerDealers" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FiniteLivedIntangibleAssets" name="FiniteLivedIntangibleAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommercialBankAcquisitionDeposit" name="CommercialBankAcquisitionDeposit" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_AccountsAndPayablesToOfficersAndDirectorsCurrent" name="AccountsAndPayablesToOfficersAndDirectorsCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommissionsPayrollAndPayrollTaxesCurrent" name="CommissionsPayrollAndPayrollTaxesCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LongTermMergerFinancingCurrent" name="LongTermMergerFinancingCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MergerFinancingPayable" name="MergerFinancingPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiabilityCurrent" name="EmbeddedDerivativeFairValueOfEmbeddedDerivativeLiabilityCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharePurchaseCommitmentAmountCurrent" name="SharePurchaseCommitmentAmountCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebentureCurrent" name="DebentureCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SubscriptionAgreementCurrent" name="SubscriptionAgreementCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockPayableCurrent" name="StockPayableCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantLiability" name="WarrantLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeLiabilityWarrants" name="DerivativeLiabilityWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnoutLiabilitiesNoncurrent" name="EarnoutLiabilitiesNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TradingAccountDepositNoncurrent" name="TradingAccountDepositNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RevenueFromVettingProcessingFees" name="RevenueFromVettingProcessingFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RevenueFromClearanceFees" name="RevenueFromClearanceFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RevenueNotFromStockLocateFees" name="RevenueNotFromStockLocateFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TransferFees" name="TransferFees" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_BankCharges" name="BankCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeGainLossOnConvertibleNoteDerivativeNet" name="DerivativeGainLossOnConvertibleNoteDerivativeNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeGainLossOnLongTermAndShortTermNoteDerivativeNet" name="DerivativeGainLossOnLongTermAndShortTermNoteDerivativeNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeGainLossOnFairValueOfContingentGuarantee" name="DerivativeGainLossOnFairValueOfContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeGainLossOnSecuredConvertibleNote" name="DerivativeGainLossOnSecuredConvertibleNote" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeGainLossOnFairValueOfMergerFinancing" name="DerivativeGainLossOnFairValueOfMergerFinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeGainLossOnFairValueOfEarnoutLiability" name="DerivativeGainLossOnFairValueOfEarnoutLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfWinstonStrawnAgreement" name="FairValueAdjustmentOfWinstonStrawnAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmbeddedDerivativeGainLossOnDebenture" name="EmbeddedDerivativeGainLossOnDebenture" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfStockPayable" name="FairValueAdjustmentOfStockPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfSharePurchaseCommitmentAmount" name="FairValueAdjustmentOfSharePurchaseCommitmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LossOnSettlementOnWinstonStrawnAgreement" name="LossOnSettlementOnWinstonStrawnAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueSettledVendorObligations" name="StockIssuedDuringPeriodValueSettledVendorObligations" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesSettledVendorObligations" name="StockIssuedDuringPeriodSharesSettledVendorObligations" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueCommitmentFees" name="StockIssuedDuringPeriodValueCommitmentFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesCommitmentFees" name="StockIssuedDuringPeriodSharesCommitmentFees" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockTransferredDuringPeriodByRelatedPartyValueConversionOfConvertibleSecuritiesPrincipal" name="StockTransferredDuringPeriodByRelatedPartyValueConversionOfConvertibleSecuritiesPrincipal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueCompanyObligationsNetOfContributedCapitalForDebtAssumed" name="StockIssuedDuringPeriodValueCompanyObligationsNetOfContributedCapitalForDebtAssumed" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesCompanyObligationsNetOfContributedCapitalForDebtAssumed" name="StockIssuedDuringPeriodSharesCompanyObligationsNetOfContributedCapitalForDebtAssumed" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueSettlementOfDues" name="StockIssuedDuringPeriodValueSettlementOfDues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesSettlementOfDues" name="StockIssuedDuringPeriodSharesSettlementOfDues" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueDelayedPaymentsOfDebt" name="StockIssuedDuringPeriodValueDelayedPaymentsOfDebt" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesDelayedPaymentsOfDebt" name="StockIssuedDuringPeriodSharesDelayedPaymentsOfDebt" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueReverseStockSplits" name="StockIssuedDuringPeriodValueReverseStockSplits" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueIssuedForSoftwareAsServiceUnderLicenseAgreement" name="StockIssuedDuringPeriodValueIssuedForSoftwareAsServiceUnderLicenseAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodShareIssuedForSoftwareAsServiceUnderLicenseAgreement" name="StockIssuedDuringPeriodShareIssuedForSoftwareAsServiceUnderLicenseAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueSettledVendorObligation" name="StockIssuedDuringPeriodValueSettledVendorObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesSettledVendorObligation" name="StockIssuedDuringPeriodSharesSettledVendorObligation" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodValueSecuritiesPurchaseAgreement" name="StockIssuedDuringPeriodValueSecuritiesPurchaseAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesSecuritiesPurchaseAgreement" name="StockIssuedDuringPeriodSharesSecuritiesPurchaseAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringNoncashExerciseOfWarrantLiability" name="StockIssuedDuringNoncashExerciseOfWarrantLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringSharesNoncashExerciseOfWarrantLiability" name="StockIssuedDuringSharesNoncashExerciseOfWarrantLiability" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodPartialPaymentInSettlementAgreement" name="StockIssuedDuringPeriodPartialPaymentInSettlementAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesPartialPaymentInSettlementAgreement" name="StockIssuedDuringPeriodSharesPartialPaymentInSettlementAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodReversalOfExciseTaxRelatedToPriorShareholderRedemptions" name="StockIssuedDuringPeriodReversalOfExciseTaxRelatedToPriorShareholderRedemptions" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueOfDerivativeGainLossOnConvertibleNoteDerivativeNet" name="FairValueOfDerivativeGainLossOnConvertibleNoteDerivativeNet" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfContingentGuarantee" name="FairValueAdjustmentOfContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeGainLossOnFairValueOfSecuredConvertibleNote" name="DerivativeGainLossOnFairValueOfSecuredConvertibleNote" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfSellersConvertibleNotes" name="FairValueAdjustmentOfSellersConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfEarnoutLiability" name="FairValueAdjustmentOfEarnoutLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfSubscriptionAgreement" name="FairValueAdjustmentOfSubscriptionAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueAdjustmentOfStockPayables" name="FairValueAdjustmentOfStockPayables" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PaidInKindLateFeesToSellers" name="PaidInKindLateFeesToSellers" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TransactionCostsAttributedToWarrantLiability" name="TransactionCostsAttributedToWarrantLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ConsultingExpensePaidWithStock" name="ConsultingExpensePaidWithStock" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DeferredTaxLiability" name="DeferredTaxLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_IncreaseDecreaseInCommissionsAndPayrollTaxesPayable" name="IncreaseDecreaseInCommissionsAndPayrollTaxesPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_IncreaseDecreaseInTradingDeposits" name="IncreaseDecreaseInTradingDeposits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RepaymentsOfSecurityConvertibleNotes" name="RepaymentsOfSecurityConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ProceedsFromIssuanceOfDebenture" name="ProceedsFromIssuanceOfDebenture" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ProceedsFromNonInterestBearingAdvances" name="ProceedsFromNonInterestBearingAdvances" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PaymentOnWinstonStrawnSettlementAgreement" name="PaymentOnWinstonStrawnSettlementAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NoncashOrPartOfNoncashChangesInGoodwillDueToChangeInDeferredTaxLiability" name="NoncashOrPartOfNoncashChangesInGoodwillDueToChangeInDeferredTaxLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialSharesIssuedValuePurchaseCommitmentAmount" name="InitialSharesIssuedValuePurchaseCommitmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ValueOfSharesTransferredByRelatedPartiesToSettleObligation" name="ValueOfSharesTransferredByRelatedPartiesToSettleObligation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedToRelatedPartyForSettlementOfAccountsPayable" name="SharesIssuedToRelatedPartyForSettlementOfAccountsPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedForCommercialBankAcquisitionExtension" name="SharesIssuedForCommercialBankAcquisitionExtension" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialValueOfDerivativeIncludedInMergerFinancing" name="InitialValueOfDerivativeIncludedInMergerFinancing" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PromissoryNoteIssuedUnderInsurancePremium" name="PromissoryNoteIssuedUnderInsurancePremium" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PrepaidStockBasedCompensation" name="PrepaidStockBasedCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedToPurchasePacsquare" name="SharesIssuedToPurchasePacsquare" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ReceivableFromSharesAdvancedUnderTauAgreement" name="ReceivableFromSharesAdvancedUnderTauAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialValueOfDerivativeIncludedInDebenture" name="InitialValueOfDerivativeIncludedInDebenture" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialValueOfDerivativeIncludedInConvertibleNote" name="InitialValueOfDerivativeIncludedInConvertibleNote" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ReversalOfExciseTax" name="ReversalOfExciseTax" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ConvertibleNotesTransferredToEquitySpa" name="ConvertibleNotesTransferredToEquitySpa" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialValueOfWarrantIssuedAsTransactionCostUnderEquitySpa" name="InitialValueOfWarrantIssuedAsTransactionCostUnderEquitySpa" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedForWinstonStrawnSettlementAgreement" name="SharesIssuedForWinstonStrawnSettlementAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesIssuedForNoncashExerciseOfWarrantLiability" name="SharesIssuedForNoncashExerciseOfWarrantLiability" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RightofuseAssetsObtainedInExchangeForNewOperatingLeaseLiabilities" name="RightofuseAssetsObtainedInExchangeForNewOperatingLeaseLiabilities" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NoInsiderTradingFlag" name="NoInsiderTradingFlag" nillable="true" xbrli:periodType="duration" type="xbrli:booleanItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DisclosureCashSegregatedInAccordanceWithFederalRegulationsAbstract" name="DisclosureCashSegregatedInAccordanceWithFederalRegulationsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDisclosuresTextBlock" name="CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDisclosuresTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DisclosureNetCapitalRequirementsAbstract" name="DisclosureNetCapitalRequirementsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_BrokerDealerNetCapitalRequirementSecRegulationTextBlock" name="BrokerDealerNetCapitalRequirementSecRegulationTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DisclosureLeaseCommitmentsAbstract" name="DisclosureLeaseCommitmentsAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RiskManagementPolicyTextBlock" name="RiskManagementPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock" name="NewAccountingPronouncementsNotYetAdoptedPolicyPolicyTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LesseeOperatingLeasesOtherInformationTableTextBlock" name="LesseeOperatingLeasesOtherInformationTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ScheduleOfShareBasedPaymentAwardPerformanceSharesValuationAssumptionsTableTextBlock" name="ScheduleOfShareBasedPaymentAwardPerformanceSharesValuationAssumptionsTableTextBlock" nillable="true" xbrli:periodType="duration" type="dtr-types:textBlockItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_UnitsIssuedProceeds" name="UnitsIssuedProceeds" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NumberOfSharesPerUnitIssued" name="NumberOfSharesPerUnitIssued" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NumberOfWarrantsPerUnitIssued" name="NumberOfWarrantsPerUnitIssued" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_GrossProceedsFromIssuanceOfDebtAndUnits" name="GrossProceedsFromIssuanceOfDebtAndUnits" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_IncrementalCommonSharesAttributableDueToContingentlyIssuableShares" name="IncrementalCommonSharesAttributableDueToContingentlyIssuableShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ImpairmentCharges" name="ImpairmentCharges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashDepositNumberOfFinancialInstitutions" name="CashDepositNumberOfFinancialInstitutions" nillable="true" xbrli:periodType="instant" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsAxis" name="CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsAxis" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:dimensionItem" />
    <element id="ATCH_CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDomain" name="CashAndSecuritiesSegregatedUnderFederalAndOtherRegulationsDomain" abstract="true" nillable="true" xbrli:periodType="duration" type="dtr-types:domainItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashReserveDepositRequired" name="CashReserveDepositRequired" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashReserveDepositInExcessOfAmountRequired" name="CashReserveDepositInExcessOfAmountRequired" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashReserveDepositWithdrawn" name="CashReserveDepositWithdrawn" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashReserveDepositLessThanAmountRequired" name="CashReserveDepositLessThanAmountRequired" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CashSegregatedCustomers" name="CashSegregatedCustomers" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LossesOnReceivableFromBrokerDealerAndClearingOrganization" name="LossesOnReceivableFromBrokerDealerAndClearingOrganization" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_BadDebtExpenseAndTradingErrorAdjustments" name="BadDebtExpenseAndTradingErrorAdjustments" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_OperatingLeaseRightOfUseAssetBeginningBalance" name="OperatingLeaseRightOfUseAssetBeginningBalance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RightOfUseAssetObtainedExchangeForOperatingLeaseLiability" name="RightOfUseAssetObtainedExchangeForOperatingLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DecreaseInOperatingLeaseRightOfUseAsset" name="DecreaseInOperatingLeaseRightOfUseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_OperatingLeaseRightOfUseAssetEndingBalance" name="OperatingLeaseRightOfUseAssetEndingBalance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_UnitsIssuedDuringPeriodValueNewIssues" name="UnitsIssuedDuringPeriodValueNewIssues" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PercentageOfProceedsRaisedInExcessOfThresholdAmount" name="PercentageOfProceedsRaisedInExcessOfThresholdAmount" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MergerFinancingDerivative" name="MergerFinancingDerivative" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeLiabilityDebenture" name="DerivativeLiabilityDebenture" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ConvertibleNoteDerivative" name="ConvertibleNoteDerivative" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionOriginalDebtPrincipalAmount" name="DebtConversionOriginalDebtPrincipalAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentConvertibleConversionRateAsPercentageOfSpecifiedTradingDaysVolumeWeightedAverageSharePrice" name="DebtInstrumentConvertibleConversionRateAsPercentageOfSpecifiedTradingDaysVolumeWeightedAverageSharePrice" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtIssuanceCosts" name="DebtIssuanceCosts" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PreReverseSplit" name="PreReverseSplit" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PostReverseSplit" name="PostReverseSplit" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionConvertedInstrumentAmountConversionOfInterestOfConvertibleNotes" name="DebtConversionConvertedInstrumentAmountConversionOfInterestOfConvertibleNotes" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionOriginalDebtInterestAmount" name="DebtConversionOriginalDebtInterestAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentInterestRateInEventOfDefault" name="DebtInstrumentInterestRateInEventOfDefault" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_TransactionCost" name="TransactionCost" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAccruedInterest" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisAccruedInterest" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedForContingentGuarantee" name="StockIssuedForContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ConvenienceFeePercentage" name="ConvenienceFeePercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ConvertibleNotesIssuedForContingentConsideration" name="ConvertibleNotesIssuedForContingentConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_IndividualAdvancesRequestedThresholdTradingDays" name="IndividualAdvancesRequestedThresholdTradingDays" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_AmortizationOfDebtDiscount" name="AmortizationOfDebtDiscount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockTransferredDuringPeriodByRelatedPartySharesConversionOfConvertibleSecuritiesInterest" name="StockTransferredDuringPeriodByRelatedPartySharesConversionOfConvertibleSecuritiesInterest" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LongTermMergerFinancingNet" name="LongTermMergerFinancingNet" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionOriginalDebtAmountContingentGuarantee" name="DebtConversionOriginalDebtAmountContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MergerFinancingConvertibleNoteNoncurrent" name="MergerFinancingConvertibleNoteNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_UnamortizedDiscountPremiumContingentGuarantee" name="UnamortizedDiscountPremiumContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_AmortizationOfDebtDiscountPremiumContingentGuarantee" name="AmortizationOfDebtDiscountPremiumContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InterestOnContingentGuarantee" name="InterestOnContingentGuarantee" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesAvailableUnderSharePurchaseAgreement" name="SharesAvailableUnderSharePurchaseAgreement" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharesToBeIssuedAmount" name="SharesToBeIssuedAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NumberOfSharesTransferredByRelatedParty" name="NumberOfSharesTransferredByRelatedParty" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesSettlementOfRelatedPartyAdvancesAndPromissoryNotes" name="StockIssuedDuringPeriodSharesSettlementOfRelatedPartyAdvancesAndPromissoryNotes" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockPurchasedDuringPeriodSharesSharePurchaseAgreement" name="StockPurchasedDuringPeriodSharesSharePurchaseAgreement" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PurchaseOfSharesUnderSharePurchaseAgreement" name="PurchaseOfSharesUnderSharePurchaseAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SaleOfSharesUnderSharePurchaseAgreement" name="SaleOfSharesUnderSharePurchaseAgreement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SaleOfSharesUnderSharePurchaseAgreementShares" name="SaleOfSharesUnderSharePurchaseAgreementShares" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtConversionsOriginalDebtInterestAmount" name="DebtConversionsOriginalDebtInterestAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NumberOfSharesIssuableUponDebtConversion" name="NumberOfSharesIssuableUponDebtConversion" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentDiscountPercentage" name="DebtInstrumentDiscountPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_QualifiedFinancingThresholdGrossProceeds" name="QualifiedFinancingThresholdGrossProceeds" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentAggregateDiscountOnIssuance" name="DebtInstrumentAggregateDiscountOnIssuance" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentOriginalIssueDiscount" name="DebtInstrumentOriginalIssueDiscount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_UnitPricePerShare" name="UnitPricePerShare" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ClassOfWarrantOrRightExercisePriceDeterminationNumberOfClosingBidPrice" name="ClassOfWarrantOrRightExercisePriceDeterminationNumberOfClosingBidPrice" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ClassOfWarrantOrRightNumberOfDaysForExercisePriceDetermination" name="ClassOfWarrantOrRightNumberOfDaysForExercisePriceDetermination" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EquityFinancingParticipationRightTriggerPeriod" name="EquityFinancingParticipationRightTriggerPeriod" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EquityFinancingMinimumThresholdInvestmentForFutureOffering" name="EquityFinancingMinimumThresholdInvestmentForFutureOffering" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EquityFinancingMaximumReinvestmentPercentage" name="EquityFinancingMaximumReinvestmentPercentage" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PlacementAgentFeeRateGrossProceedsFromNotesPayable" name="PlacementAgentFeeRateGrossProceedsFromNotesPayable" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PlacementAgentFeeRateGrossProceedsFromUnitsSoldToExistingInvestors" name="PlacementAgentFeeRateGrossProceedsFromUnitsSoldToExistingInvestors" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PlacementAgentFeeRateGrossProceedsFromUnitsSoldToNewInvestors" name="PlacementAgentFeeRateGrossProceedsFromUnitsSoldToNewInvestors" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantsToPurchaseOfCommonStockTransactionCostTotal" name="WarrantsToPurchaseOfCommonStockTransactionCostTotal" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialValueOfWarrantsAllocatedForEquitySPA" name="InitialValueOfWarrantsAllocatedForEquitySPA" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ValueOfSharesIssuableForServicesInEachInstallment" name="ValueOfSharesIssuableForServicesInEachInstallment" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SubscriptionPayableLiabilityNoncurrent" name="SubscriptionPayableLiabilityNoncurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LossOnSettlement" name="LossOnSettlement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommitmentsAndContingenciesAbstract" name="CommitmentsAndContingenciesAbstract" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommitmentsAndContingenciesTable" name="CommitmentsAndContingenciesTable" abstract="true" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrldt:hypercubeItem" />
    <element id="ATCH_EarnOutSharesMaximumNumberOfSharesIssuable" name="EarnOutSharesMaximumNumberOfSharesIssuable" nillable="true" xbrli:periodType="instant" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ThresholdPeriodFromClosingToAchieveMilestonesConsideredForIssuanceOfEarnOutShares" name="ThresholdPeriodFromClosingToAchieveMilestonesConsideredForIssuanceOfEarnOutShares" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnOutSharesMaximumAmountOfSharesIssuable" name="EarnOutSharesMaximumAmountOfSharesIssuable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PeriodForMeasurementOfRevenueTargets" name="PeriodForMeasurementOfRevenueTargets" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementTermOfEmployment" name="EmploymentAgreementTermOfEmployment" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementTermOfRenewal" name="EmploymentAgreementTermOfRenewal" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementAnnualBaseSalaryYearOne" name="EmploymentAgreementAnnualBaseSalaryYearOne" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementAnnualBaseSalaryYearTwo" name="EmploymentAgreementAnnualBaseSalaryYearTwo" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementAnnualBaseSalaryYearThree" name="EmploymentAgreementAnnualBaseSalaryYearThree" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PercentageOfBonusPayable" name="PercentageOfBonusPayable" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_MinimumQualifiedCumulativeFinancingAmount" name="MinimumQualifiedCumulativeFinancingAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PercentageOfBonusPayableFourthQuarter" name="PercentageOfBonusPayableFourthQuarter" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_PercentageOfBonusPayableFirstQuarter" name="PercentageOfBonusPayableFirstQuarter" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementStockGrants" name="EmploymentAgreementStockGrants" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementNumberOfStockAwards" name="EmploymentAgreementNumberOfStockAwards" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ThresholdPercentageOfOutstandingSharesForDeterminingStockAward" name="ThresholdPercentageOfOutstandingSharesForDeterminingStockAward" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WeightedAveragePrice" name="WeightedAveragePrice" nillable="true" xbrli:periodType="instant" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementThresholdPeriodOfWrittenNoticeOfNonRenewal" name="EmploymentAgreementThresholdPeriodOfWrittenNoticeOfNonRenewal" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ThresholdTradingDaysOverWhichVolumeWeightedAverageStockPriceConsideredCalculatingStockTradingPrice" name="ThresholdTradingDaysOverWhichVolumeWeightedAverageStockPriceConsideredCalculatingStockTradingPrice" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementOneTimeSignInBonusPaid" name="EmploymentAgreementOneTimeSignInBonusPaid" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DebtInstrumentInterestRateUnusedPortionStatedPercentage" name="DebtInstrumentInterestRateUnusedPortionStatedPercentage" nillable="true" xbrli:periodType="instant" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_LossContingencyReductionInDamageAwarded" name="LossContingencyReductionInDamageAwarded" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SoftwareDevelopmentAndLicenseAgreementTerm" name="SoftwareDevelopmentAndLicenseAgreementTerm" nillable="true" xbrli:periodType="duration" type="xbrli:durationItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SoftwareDevelopmentAndLicenseAgreementPayable" name="SoftwareDevelopmentAndLicenseAgreementPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SoftwareDevelopmentAndLicenseAgreementUpfrontFeesPayable" name="SoftwareDevelopmentAndLicenseAgreementUpfrontFeesPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SoftwareDevelopmentAndLicenseAgreementFirstMonthPayable" name="SoftwareDevelopmentAndLicenseAgreementFirstMonthPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SoftwareDevelopmentAndLicenseAgreementRemainingMonthPayable" name="SoftwareDevelopmentAndLicenseAgreementRemainingMonthPayable" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockIssuedDuringPeriodSharesConversionOfConvertibleNoteAndUnits" name="StockIssuedDuringPeriodSharesConversionOfConvertibleNoteAndUnits" nillable="true" xbrli:periodType="duration" type="xbrli:sharesItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsVolumeWeightedAverageTriggerPrice" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardGrantsVolumeWeightedAverageTriggerPrice" nillable="true" xbrli:periodType="duration" type="dtr-types:perShareItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EmploymentAgreementExecutivesAnnualBaseSalariesEntitlements" name="EmploymentAgreementExecutivesAnnualBaseSalariesEntitlements" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAwardsEligibleToBeReceived" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfAwardsEligibleToBeReceived" nillable="true" xbrli:periodType="duration" type="xbrli:integerItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesPerAwardPercent" name="ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesPerAwardPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrantLiabilityAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrantLiabilityAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrantLiabilityPercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWarrantLiabilityPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAmount" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsPercent" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseMealsPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseEntertainmentAmount" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseEntertainmentAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationNondeductibleExpenseEntertainmentPercent" name="EffectiveIncomeTaxRateReconciliationNondeductibleExpenseEntertainmentPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfConvertibleNoteAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfConvertibleNoteAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfConvertibleNotePercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfConvertibleNotePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfEarnoutLiabilityAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfEarnoutLiabilityAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfEarnoutLiabilityPercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfEarnoutLiabilityPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSubscriptionAgreementAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSubscriptionAgreementAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSubscriptionAgreementPercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSubscriptionAgreementPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfConvertibleNoteSPA" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfConvertibleNoteSPA" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfConvertibleNoteSPAPercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfConvertibleNoteSPAPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfDebenture" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfDebenture" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfDebenturePercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfDebenturePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSecuredConvertibleNote" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSecuredConvertibleNote" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSecuredConvertibleNotePercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfSecuredConvertibleNotePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfAtTheMarketAgreementAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfAtTheMarketAgreementAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfAttheMarketAgreementPercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfAttheMarketAgreementPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWdcoSellersConvertibleNoteAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWdcoSellersConvertibleNoteAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWdcoSellersConvertibleNotePercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWdcoSellersConvertibleNotePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfStockCompensation" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfStockCompensation" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfStockCompensationPercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfStockCompensationPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationStateAndLocalMinimumIncomeTaxesAmount" name="EffectiveIncomeTaxRateReconciliationStateAndLocalMinimumIncomeTaxesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationStateAndLocalMinimumIncomeTaxesPercent" name="EffectiveIncomeTaxRateReconciliationStateAndLocalMinimumIncomeTaxesPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceStateAmount" name="EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceStateAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceStatePercent" name="EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceStatePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceFederalAmount" name="EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceFederalAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceFederalPercent" name="EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsValuationAllowanceFederalPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationAcquisitionGoodwillAndIntangibleAssetsAmount" name="EffectiveIncomeTaxRateReconciliationAcquisitionGoodwillAndIntangibleAssetsAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationAcquisitionGoodwillAndIntangibleAssetsPercent" name="EffectiveIncomeTaxRateReconciliationAcquisitionGoodwillAndIntangibleAssetsPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfLongTermAndShortTermInvestorNotesAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfLongTermAndShortTermInvestorNotesAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfLongTermAndShortTermInvestorNotesPercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfLongTermAndShortTermInvestorNotesPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfStockPayable" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfStockPayable" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfStockPayablePercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfStockPayablePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfAtTheCommitmentFeeAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfAtTheCommitmentFeeAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfAtTheCommitmentFeePercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfAtTheCommitmentFeePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWdcoSharePayableAmount" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWdcoSharePayableAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWdcoSharePayablePercent" name="EffectiveIncomeTaxRateReconciliationChangeInFairValueOfWdcoSharePayablePercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsNetAdjustmentsFederalAmount" name="EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsNetAdjustmentsFederalAmount" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsNetAdjustmentsFederalPercent" name="EffectiveIncomeTaxRateReconciliationChangeInDeferredTaxAssetsNetAdjustmentsFederalPercent" nillable="true" xbrli:periodType="duration" type="dtr-types:percentItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DeferredTaxAssetsFixedAssets" name="DeferredTaxAssetsFixedAssets" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DeferredTaxAssetLeaseLiability" name="DeferredTaxAssetLeaseLiability" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DeferredTaxAssetsNetOperatingLoss" name="DeferredTaxAssetsNetOperatingLoss" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DeferredTaxLiabilitiesRightOfUseLeaseAsset" name="DeferredTaxLiabilitiesRightOfUseLeaseAsset" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DeferredTaxLiabilitiesStateTaxCurrent" name="DeferredTaxLiabilitiesStateTaxCurrent" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DeferredTaxLiabilitiesStateTaxDeferred" name="DeferredTaxLiabilitiesStateTaxDeferred" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_NetDeferredTaxAssetsLiabilityBeforeValuationAllowance" name="NetDeferredTaxAssetsLiabilityBeforeValuationAllowance" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WinstonStrawnAgreementFairValueDisclosure" name="WinstonStrawnAgreementFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantLiabilityPrivateWarrants" name="WarrantLiabilityPrivateWarrants" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnoutLiabilityNoncurrentLiabilityFairValueDisclosure" name="EarnoutLiabilityNoncurrentLiabilityFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SharePurchaseCommitmentFairValueDisclosure" name="SharePurchaseCommitmentFairValueDisclosure" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantLiabilityEquity" name="WarrantLiabilityEquity" nillable="true" xbrli:periodType="instant" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_SubscriptionAgreementMeasurementInput" name="SubscriptionAgreementMeasurementInput" nillable="true" xbrli:periodType="instant" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_WarrantsAndRightsExpirationDateDescription" name="WarrantsAndRightsExpirationDateDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_EarnoutLiabilityMeasurementInput" name="EarnoutLiabilityMeasurementInput" nillable="true" xbrli:periodType="instant" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_DerivativeLiabilityExpirationDateDescription" name="DerivativeLiabilityExpirationDateDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommitmentAmountMeasurementInput" name="CommitmentAmountMeasurementInput" nillable="true" xbrli:periodType="instant" type="xbrli:decimalItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_CommitmentAmountExpirationDateDescription" name="CommitmentAmountExpirationDateDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityWriteOff" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityWriteOff" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfIncomeExtensibleListNotDisclosedFlag" name="FairValueRecurringBasisUnobservableInputReconciliationLiabilityGainLossStatementOfIncomeExtensibleListNotDisclosedFlag" nillable="true" xbrli:periodType="duration" type="xbrli:booleanItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdvanceRequests" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityAdvanceRequests" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransferredToEquity" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityTransferredToEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityFairValueOfSettlementConsideration" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityFairValueOfSettlementConsideration" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityDerecognizedOnSettlement" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityDerecognizedOnSettlement" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExchanges" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityExchanges" nillable="true" xbrli:periodType="duration" xbrli:balance="debit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_FairValueMeasurementWithUnobservableInputsReconciliationRecurringOfFairValueOfWarrantsExercised" name="FairValueMeasurementWithUnobservableInputsReconciliationRecurringOfFairValueOfWarrantsExercised" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialFairValueCommitmentAmount" name="InitialFairValueCommitmentAmount" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialFairValueCommitmentFee" name="InitialFairValueCommitmentFee" nillable="true" xbrli:periodType="instant" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_InitialValueOfWarrantIssuedAsTransactionCostUnderEquity" name="InitialValueOfWarrantIssuedAsTransactionCostUnderEquity" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_RevenueFromStockLocateFees" name="RevenueFromStockLocateFees" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_OtherRevenue" name="OtherRevenue" nillable="true" xbrli:periodType="duration" xbrli:balance="credit" type="xbrli:monetaryItemType" substitutionGroup="xbrli:item" />
    <element id="ATCH_StockOptionPriceTriggerAdjustmentsDescription" name="StockOptionPriceTriggerAdjustmentsDescription" nillable="true" xbrli:periodType="duration" type="xbrli:stringItemType" substitutionGroup="xbrli:item" />
</schema>
