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Note 12 - Fair Value Measurements - Valuation Assumptions (Details) Note 15 - Equity Incentive Plans - Stock Option Activity (Details) Note 15 - Equity Incentive Plans - Restricted Stock Activity (Details) Note 15 - Equity Incentive Plans - Stock Compensation Expense (Details) Note 15 - Equity Incentive Plans - Stock Compensation Expense 2 (Details) Note 16 - Warrants - Schedule of Warrants Outstanding (Details) us-gaap_EffectiveIncomeTaxRateContinuingOperations Effective Income Tax Rate Reconciliation, Percent Note 17 - Earnings Per Share - Schedule of Earnings Per Share (Details) Note 17 - Earnings Per Share - Schedule of Anti-Dilutive Securities (Details) Note 20 - Discontinued Operations - Schedule of Discontinued Operations (Details) Forfeited/Cancelled, options, weighted average exercise price (in dollars per share) Expired, options, weighted average exercise price (in dollars per share) Notes To Financial Statements Notes To Financial Statements [Abstract] us-gaap_LesseeOperatingLeaseDiscountRate Lessee, Operating Lease, Discount Rate Office Equipment, Furniture and Other [Member] Represents office equipment, furniture and other. 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Secured Overnight Financing Rate (SOFR) [Member] Weighted-average of Warrants Exercised to Common Stock [Member] Represents the weighted-average of warrants exercised to common stock. June 2023 Tranche A Warrants [Member] Represents June 2023 Tranche A Warrants. 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Incremental Advance [Member] Incremental Advance aytu_LineOfCreditFacilityTerminationFeePercentageOfCommitmentTerminatedBetweenJune122025AndJune122026 Line of Credit Facility, Termination, Fee, Percentage of Commitment, Terminated Between June 12, 2025 and June 12, 2026 Represents the percentage of commitment used as a termination fee of a line of credit facility terminated after June 12, 2025 but on or before June 12, 2026. aytu_LineOfCreditFacilityTerminationFeePercentageOfCommitmentTerminatedOnOrBeforeJune122025 Line of Credit Facility, Termination, Fee, Percentage of Commitment, Terminated On or Before June 12, 2025 Represents the percentage of commitment used as a termination fee of a line of credit facility terminated on or before June 12, 2025. aytu_SupplyAndDistributionCommitmentRoyaltyPercentageOfNetSales Supply and Distribution Commitment, Royalty, Percentage of Net Sales The percentage of net sales to be paid for royalties under supply and distribution agreement. aytu_SupplyAndDistributionCommitmentPeriod Supply and Distribution Commitment, Period (Year) Period covered by the supply and distribution commitment, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. Eclipse Business Capital LLC Loan Agreement [Member] Eclipse Business Capital LLC Loan Agreement Fixed payment arrangements (4) Fixed Payment Arrangements Represents the amount of fixed payment arrangements. aytu_DebtInstrumentTerminationFeeBetweenJune122025AndJune122026Percentage Debt Instrument, Termination Fee Between June 12, 2025 and June 12, 2026, Percentage The termination fee if the debt is terminated between June 12, 2025 and June 12, 2026. aytu_DebtInstrumentTerminationFeeOnOrBeforeJune122025Percentage Debt Instrument, Termination Fee On or Before June 12, 2025, Percentage The termination fee if the debt is terminated before or on June 12, 2025. aytu_DebtInstrumentTerminationFeeBetweenJune122026AndJune122028Percentage Debt Instrument, Termination Fee Between June 12, 2026 and June 12, 2028, Percentage The termination fee if the debt is terminated between June 12, 2026 and June 12, 2028. aytu_DebtInstrumentTerminationFeeBetweenJune122026AndJune122027Percentage Debt Instrument, Termination Fee Between June 12, 2026 and June 12, 2027, Percentage The termination fee if the debt is terminated between June 12, 2026 and June 12, 2027. E X X U A Portfolio [Member] Represents EXXUA portfolio. Eclipse Term Loan [Member] Eclipse Term Loan aytu_LineOfCreditFacilityTerminationFeePercentageOfCommitmentTerminatedBetweenJune122026AndJune122028 Line of Credit Facility, Termination, Fee, Percentage of Commitment, Terminated Between June 12, 2026 and June 12, 2028 Represents the percentage of commitment used as a termination fee of a line of credit facility terminated after June 12, 2026 but on or before June 12, 2028. Avenue Capital Loan [Member] Avenue Capital Loan aytu_DebtInstrumentAmortizationPeriod Debt Instrument, Amortization Period (Year) The duration in which the debt will amortize. Launch of EXXUA [Member] Represents launch of EXXUA. Execution of EXXUA Exclusive Commercialization Agreement [Member] Represents execution of EXXUA Exclusive Commercialization Agreement. Property, Plant, and Equipment [Table] June 2023 Warrants Tranche A [Member] June 2023 Warrants Tranche A Common stock, par value (in dollars per share) Common Stock, Par or Stated Value Per Share (in dollars per share) Warrants exercised, weighted average exercise price (in dollars per share) Class of Warrant or Right, Exercise Price, Exercised During Period (in dollars per share) Represents the exercise price of warrants or rights exercised during the period. Other Warrants [Member] Other Warrants Pre-Funded Warrants [Member] Pre-Funded Warrants us-gaap_OtherLiabilities Total other liabilities Restricted Stock and Restricted Stock Units [Member] Represents Restricted Stock and Restricted Stock Units. Basis of Accounting, Policy [Policy Text Block] aytu_FinitelivedIntangibleAssetsCapitalized Finite-Lived Intangible Assets Capitalized Capitalized finite-lived intangible assets made during the period. aytu_ClassOfWarrantOrRightIssuedDuringPeriod Class of Warrant or Right, Issued During Period (in shares) The number of warrants or rights issued during period. aytu_ClassOfWarrantOrRightExercisedDuringPeriod Class of Warrant or Right, Exercised During Period (in shares) Warrants exercised (in shares) The number of warrants or rights exercised during period. aytu_ClassOfWarrantOrRightOfferingPrice Class of Warrant or Right, Offering Price (in dollars per share) Offering price of warrants or right issued during the period. us-gaap_NetIncomeLossFromDiscontinuedOperationsAvailableToCommonShareholdersDiluted Net income from discontinued operations, net of tax Adjusted numerator - net (loss) income from continuing operations (1) Other income, net Other Nonoperating Income (Expense) us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilitySettlements Settlements (1) aytu_ProceedsFromIssuanceOrSaleOfEquityNet Proceeds from Issuance or Sale of Equity, Net Net amount of cash inflow from issuance or sale of equity. Long-Lived Asset, Class [Axis] Sale of Stock [Domain] Public Offering [Member] Public Offering The 2023 Equity Incentive Plan [Member] The 2023 Equity Incentive Plan June 2025 Prefunded Warrants [Member] June 2025 Prefunded Warrants us-gaap_Assets Total assets aytu_SaleOfStockMaximumAmountOfEquityIssuable Sale of Stock, Maximum Amount of Equity Issuable Represents the maximum monetary amount of equity issuable. The 2021 Shelf [Member] The 2021 Shelf The 2020 Shelf [Member] The 2020 Shelf Cash and cash equivalents Restricted Stock and Restricted Stock Units (RSUs) [Member] Restricted Stock and Restricted Stock Units (RSUs) The 2015 Plan [Member] The 2015 Plan Disposal Groups, Including Discontinued Operations, Disclosure [Text Block] Net income from discontinued operations, net of tax Income (Loss) from Discontinued Operations, Net of Tax, Attributable to Parent Non-plan [Member] Non-plan Diluted - net (loss) income (in dollars per share) aytu_ClassOfWarrantOrRightExpirationThresholdExercisePrice Class of Warrant or Right, Expiration, Threshold Exercise Price (in dollars per share) The threshold exercise price for expiration of warrant or right. aytu_ClassOfWarrantOrRightExpirationThresholdPercentageOfExercisePrice Class of Warrant or Right, Expiration, Threshold Percentage of Exercise Price The threshold percentage of exercise price for class of warrant or right to expire. aytu_ClassOfWarrantOrRightExpirationThresholdConsecutiveTradingDays Class of Warrant or Right, Expiration, Threshold Consecutive Trading Days (Day) The number of consecutive trading days for threshold for warrant or right to expire. December 2020 Warrants, January 2022 Warrants, March 2022 Warrants, and August 2022 Warrants [Member] December 2020 Warrants, January 2022 Warrants, March 2022 Warrants, and August 2022 Warrants Warrants or Rights Disclosure [Text Block] The entire disclosure for warrants or rights. aytu_ClassOfWarrantOrRightExpirationThresholdNumberOfTradingDays Class of Warrant or Right, Expiration, Threshold Number of Trading Days (Day) The number of trading days of threshold for expiration of class of warrant or right. aytu_ClassOfWarrantOrRightExercisePriceOfWarrantsOrRightsToPrefundedWarrants Class of Warrant or Right, Exercise Price of Warrants or Rights to Prefunded Warrants (in dollars per share) Exercise price per share or per unit of warrants or rights outstanding when converting to prefunded warrants. March 2022 Warrants [Member] March 2022 Warrants Warrants, Excluding Prefunded Warrants [Member] Warrants, Excluding Prefunded Warrants Outstanding, weighted average remaining contractual term (Year) The weighted average period of remaining contractual life of warrants or rights. June 2025 Equity Financing [Member] June 2025 Equity Financing June 2023 Prefunded Warrants [Member] June 2023 Prefunded Warrants January 2022 Warrants [Member] January 2022 Warrants Other Liabilities [Table Text Block] December 2020 Warrants [Member] December 2020 Warrants Intangible Asset [Text Block] aytu_CommercializationAgreementPaymentTriggerPeriodAfterFirstProductLaunch Commercialization Agreement, Payment Trigger, Period After First Product Launch (Year) Period after the first product launch for payment trigger under the commercialization agreement. aytu_CommercializationAgreementPeriodOfPaymentAfterTrigger Commercialization Agreement, Period of Payment After Trigger (Day) The period of payment after trigger for commercialization agreement. us-gaap_DisposalGroupIncludingDiscontinuedOperationCostsOfGoodsSold Cost of goods sold aytu_CommercializationAgreementSecondPaymentConditional Commercialization Agreement, Second Payment, Conditional Amount of second payment if certain conditions are met under the commercialization agreement. aytu_CommercializationAgreementSecondPayment Commercialization Agreement, Second Payment Amount of second payment under the commercialization agreement. aytu_ClassOfWarrantOrRightExpiredDuringPeriod Equity classified warrants expired (in shares) Represents the number of warrants or rights expired during the period. Consolidation, Policy [Policy Text Block] EXXUA Exclusive Commercialization Agreement [Member] EXXUA Exclusive Commercialization Agreement Fair Value by Liability Class [Domain] Grand Prairie, Texas Manufacturing Site [Member] Grand Prairie, Texas Manufacturing Site aytu_CommercializationAgreementRoyaltyFeesThresholdOnePercentageOfNetSales Commercialization Agreement, Royalty Fees, Threshold One, Percentage of Net Sales Percentage of net sales for royalty fees in the first threshold under the commercialization agreement. aytu_CommercializationAgreementMilestonePaymentsSecondThresholdSales Commercialization Agreement, Milestone Payments, Second Threshold Sales Amount of sales that must be met for second threshold for milestone payments under the commercialization agreement. Disposal Group Name [Domain] aytu_CommercializationAgreementRoyaltyFeesThresholdTwoPercentageOfNetSales Commercialization Agreement, Royalty Fees, Threshold Two, Percentage of Net Sales Percentage of sales in the second threshold for royalty fees under the commercialization agreement. Restructuring Plan [Domain] aytu_CommercializationAgreementRoyaltyFeesThresholdOneNetSales Commercialization Agreement, Royalty Fees, Threshold One, Net Sales Amount of net sales for the first threshold for royalty fees under the commercialization agreement. aytu_CommercializationAgreementMilestonePaymentBasedOnSales Commercialization Agreement, Milestone Payment Based on Sales Amount of milestone payments based on sales under the commercialization agreement. Cash paid for interest aytu_CommercializationAgreementIncreaseInSecondPaymentConditionMinimumNetSalesForFirstYear Commercialization Agreement, Increase in Second Payment, Condition, Minimum Net Sales For First Year Amount of minimum net sales for first year as condition for increase in second payments under the commercialization agreement. Restructuring Plan [Axis] aytu_CommercializationAgreementMilestonePaymentsPercentageOfSalesExceedingSecondThreshold Commercialization Agreement, Milestone Payments, Percentage of Sales Exceeding Second Threshold Percentage of sales exceeding second threshold for milestone payments under the commercialization agreement. Inventory Disclosure [Text Block] aytu_CommercializationAgreementMilestonePaymentsThresholdSales Commercialization Agreement, Milestone Payments, Threshold Sales Amount of sales that must be met for milestone payments under the commercialization agreement. aytu_CommercializationAgreementTerminationForDifficultBreachPeriodAfterWrittenNotice Commercialization Agreement, Termination for Difficult Breach, Period After Written Notice (Day) Period after written notice for termination of a breach that cannot be cured within 90 days under the commercialization agreement. aytu_CommercializationAgreementBreachPeriodForCuration Commercialization Agreement, Breach, Period for Curation (Day) Period for curation of breach under the commercialization agreement. Schedule of Long-Term Debt Instruments [Table Text Block] aytu_DisposalGroupIncludingDiscontinuedOperationSellingAndMarketingExpense Selling and marketing Amount of selling and marketing expense attributable to disposal group, including, but not limited to, discontinued operation. Licensing Agreements [Text Block] The entire disclosure for licensing agreements. aytu_CommercializationAgreementSupplyPricePercentageOfNetSalesAfterThreshold Commercialization Agreement, Supply Price, Percentage of Net Sales After Threshold Percentage of net sales after threshold amount for supply price under the commercialization agreement. Intangible Asset, Finite-Lived [Table Text Block] us-gaap_DisposalGroupIncludingDiscontinuedOperationRevenue Net revenue Intangible Asset, Finite-Lived [Table] aytu_CommercializationAgreementRoyaltyFeesThresholdTwoNetSales Commercialization Agreement, Royalty Fees, Threshold Two, Net Sales Amount of net sales for second threshold for royalty fees under the commercialization agreement. aytu_CommercializationAgreementTerminationForBreachPeriodAfterWrittenNotice Commercialization Agreement, Termination for Breach, Period After Written Notice (Day) Period after written notice for termination for breach of commercialization agreement. aytu_CommercializationAgreementSupplyPriceThresholdNetSales Commercialization Agreement, Supply Price, Threshold Net Sales Amount of net sales for threshold of supply price under the commercialization agreement. Disposal Groups, Including Discontinued Operations [Table] Disposal Groups, Including Discontinued Operations [Table Text Block] Inventories Inventories Disposal Group Name [Axis] aytu_DisposalGroupIncludingDiscontinuedOperationRecognizedContingentConsideration Recognized contingent consideration Amount of recognized contingent consideration attributable to disposal group, including, but not limited to, discontinued operation. us-gaap_DeferredFinanceCostsCurrentNet Debt Issuance Costs, Current, Net us-gaap_StockholdersEquity Total stockholders’ equity Balance Balance Forfeited/cancelled, weighted average grant date fair value (in dollars per share) Stock, Class of Stock [Table] Nature of Operation, Product Information, Concentration of Risk [Table] Operating lease right-of-use assets Operating Lease, Right-of-Use Asset Other current liabilities Other Liabilities, Current Less: current portion of other liabilities Other non-current liabilities Other Liabilities, Noncurrent ecd_Rule10b51ArrTrmntdFlag Rule 10b5-1 Arrangement Terminated [Flag] Property, Plant, and Equipment [Table Text Block] Revenue Net revenue ecd_Rule10b51ArrAdoptedFlag Rule 10b5-1 Arrangement Adopted [Flag] Commitments and contingencies (note 13)