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Customer and Supplier Relationships [Member] Customer and supplier relationships Represents the rate of increases to deferred Consumer Price Index (CPI) linked benefits which is an actuarial assumption used to determine the benefit obligations and the net periodic benefit cost. Defined Benefit Plan Assumptions Used to Calculate Benefit Obligation and Net Periodic Benefit Cost Rate of Increases to Deferred Consumer Price Index Linked Benefits Rate of increases to deferred CPI linked benefits Other Liabilities, Noncurrent Other long-term liabilities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity, Increase (Decrease) in Operating Capital [Abstract] Changes in operating assets and liabilities: One Big Beautiful Bill Act One Big Beautiful Bill Act [Member] One Big Beautiful Bill Act Member. Property, Plant and Equipment [Table Text Block] Schedule of property and equipment Letters of Credit Outstanding, Amount Letters of credit outstanding Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Weighted Average Exercise Price Outstanding as of end of period (in dollars per share) Outstanding as of beginning of period (in dollars per share) Defined Benefit Plan, Plan Assets, Amount Ending balance at fair value Beginning balance at fair value Fair values Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Fair Value, Recurring and Nonrecurring [Table] Fair Value Measurements, Recurring and Nonrecurring [Table] Business Combination [Text Block] Bid4Assets Acquisition Acquisitions Unrecognized tax benefits Unrecognized Tax Benefits Ending balance Beginning balance Additional Paid-in Capital [Member] Additional Paid-in Capital Increase (Decrease) in Accrued Liabilities and Other Operating Liabilities Accrued expenses and other current liabilities Measurement Frequency [Domain] Fair Value, Measurement Frequency [Domain] Statement of Income Location, Balance [Axis] Income Statement Location [Axis] New Accounting Pronouncements or Change in Accounting Principle [Line Items] New Accounting Pronouncements or Change in Accounting Principle [Line Items] Trading Symbol Trading Symbol Intangible Asset, Finite-Lived [Table] Schedule of Finite-Lived Intangible Assets [Table] Property, Plant and Equipment Disclosure [Text Block] Property and Equipment Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Risk Free Interest Rate, Maximum Risk free interest rate, maximum Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent, Total Effective Income Tax Rate Reconciliation, Nondeductible Expense, Percent Other permanent items Wells Fargo Bank, National Association Wells Fargo Bank, N.A Wells Fargo Bank, N.A [Member] Subsequent Event Type [Axis] Schedule of Finite-Lived Intangible Assets [Table Text Block] Schedule of Intangible Assets Line of Credit Facility, Unused Capacity, Commitment Fee Percentage Line of credit facility, unused capacity, commitment fee percentage Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Term Expected term Fair Value, Recurring [Member] Recurring basis Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Fair Value, Forfeited Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Aggregate Fair Value, Forfeited Forfeited, aggregate fair value Lessee, Operating Lease, Liability, to be Paid Total lease payments Lessee, Operating Lease, Liability, Undiscounted Excess Amount Less: imputed interest Selling and Marketing Expense, Total Selling and Marketing Expense Sales and marketing Equity Components [Axis] Equity Components [Axis] Defined Benefit Plan, Change in Benefit Obligation [Roll Forward] Change in benefit obligation Investment hedge notional amount Investment Hedge Notional Amount Investment hedge notional amount. Equity Component [Domain] Equity Component [Domain] Asset Class [Axis] Receivable with Imputed Interest, Face Amount Receivable with imputed interest, face amount Goodwill and Intangible Assets Disclosure [Abstract] Goodwill and Intangible Assets Disclosure [Abstract] Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Expected To Vest, Outstanding, Weighted Average Grant Date Fair Value Share-Based Compensation Arrangement By Share-Based Payment Award, Equity Instruments Other Than Options, Expected To Vest, Outstanding, Weighted Average Grant Date Fair Value Expected to vest as of end of period (in dollars per share) Reconciliation of Revenue from Segments to Consolidated [Table Text Block] Schedule of reconciliation of revenue from segments to consolidated SEC Schedule, 12-09, Valuation Allowance, Deferred Tax Asset [Member] Deferred tax valuation allowance (deducted from net deferred tax assets) Document Annual Report Document Annual Report RSCG [Member] RSCG [Member] RSCG Deferred Compensation Share-Based Arrangements, Liability, Current and Noncurrent Stock compensation awards, total liability Business Combination [Axis] Business Acquisition [Axis] Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration] Operating lease, liability, statement of financial position Excise tax on share repurchases Excise tax on share repurchases Excise tax on share repurchases Share-Based Compensation Arrangement by Share-Based Payment Award, Expiration Period Stock options, expiration term Statement of Comprehensive Income [Abstract] Statement of Comprehensive Income [Abstract] Deferred Tax Assets, Operating Loss Carryforwards, Domestic Net operating losses—U.S.  Schedule Of Share-Based Payment Award, Stock Appreciation Right, Valuation Assumptions Schedule Of Share-Based Payment Award, Stock Appreciation Right, Valuation Assumptions [Table Text Block] Summary of fair value assumptions, stock appreciation rights Maximum [Member] Maximum Statistical Measurement [Axis] Range [Axis] Share-Based Compensation Arrangements by Share-Based Payment Award, Options, Exercises in Period, Weighted Average Exercise Price Exercised (in dollars per share) Finite-Lived Intangible Assets, Accumulated Amortization Accumulated Amortization Defined Benefit Plan, Plan Assets, Foreign Currency Translation Gain (Loss) Foreign currency exchange rate changes Common Stock, Value, Issued Common stock, $0.001 par value; 120,000,000 shares authorized; 37,317,175 shares issued and outstanding at September 30, 2025; 36,707,840 shares issued and outstanding at September 30, 2024 Cash paid for amounts included in finance lease liabilities Finance Lease, Principal Payments Payments of the principal portion of finance lease liabilities Payments of the principal portion of finance lease liabilities Line of credit facility, expiration date Line of Credit Facility, Expiration Date Consolidation, Policy [Policy Text Block] Principles of Consolidation and Basis of Presentation Goodwill [Roll Forward] Goodwill [Roll Forward] Capitalized Contract Cost [Axis] Deferred Tax Assets, Operating Loss Carryforwards, Total Deferred Tax Assets, Operating Loss Carryforwards Deferred tax (liabilities) and assets related to available federal and state NOL carryforwards Cybersecurity Risk Management Processes for Assessing, Identifying, and Managing Threats [Text Block] Effective Income Tax Rate Reconciliation, State and Local Income Taxes, Percent State taxes Represents the information pertaining to the contract with commercial client. Contract With Commercial Client [Member] Contract with commercial client Schedule of Finite-Lived Intangible Assets, Future Amortization Expense [Table Text Block] Schedule of Future Expected Amortization of Intangible Assets Entity Public Float Entity Public Float Expected volatility Share-Based Compensation Arrangement by Share-Based Payment Award, Fair Value Assumptions, Expected Volatility Rate Costs and Expenses Total costs and expenses Finite-Lived Intangible Assets by Major Class [Axis] Finite-Lived Intangible Assets by Major Class [Axis] Payment, Tax Withholding, Share-Based Payment Arrangement Taxes paid associated with net settlement of stock compensation awards Lender Name [Axis] Lender Name [Axis] Auction Software And Saas Solutions Acquired [Member] Auction Software And Saas Solutions Acquired [Member]. Auction Software and Saas Solutions Acquisition Business Combination [Table] Schedule of Business Acquisitions, by Acquisition [Table] Entity Registrant Name Entity Registrant Name Debt Disclosure [Text Block] Debt Entity Voluntary Filers Entity Voluntary Filers Customer Concentration Risk [Member] Customer Concentration Risk Finite-Lived Intangible Asset, Expected Amortization, Year Two 2027 Treasury Stock, Shares, Acquired Shares repurchased Common stock repurchases (in shares) Accumulated Other Comprehensive Income (Loss) [Table] Accumulated Other Comprehensive Income (Loss) [Table] Deferred State and Local Income Tax Expense (Benefit) State SEC Schedule, 12-09, Valuation and Qualifying Accounts [Abstract] Valuation and Qualifying Accounts [Abstract] Cybersecurity Risk Management Positions or Committees Responsible [Flag] Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate [Member] Secured Overnight Financing Rate (SOFR) Overnight Index Swap Rate Finite-Lived Intangible Asset, Expected Amortization, Year Three 2028 Total provision (benefit) Income Tax Expense (Benefit) Provision for income taxes Measurement Frequency [Axis] Measurement Frequency [Axis] Defined Benefit Plan, Expected Future Benefit Payment, Year Five 2029 Costs and Expenses [Abstract] Costs and expenses from operations: Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Share-based Compensation Arrangement by Share-based Payment Award [Line Items] Entity Common Stock, Shares Outstanding Entity Common Stock, Shares Outstanding Concentration Risk, Credit Risk, Policy [Policy Text Block] Risk Associated with Certain Concentrations Share-Based Payment Arrangement, Option, Service-Based Share-Based Payment Arrangement, Option, Service-Based [Member] Options, service-based Accumulated Other Comprehensive Income (Loss), Net of Tax, Total Accumulated Other Comprehensive Income (Loss), Net of Tax Accumulated other comprehensive loss Consolidation Items [Axis] Consolidation Items [Axis] Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Aggregate Intrinsic Value Share-based Compensation Arrangements by Share-based Payment Award, Options, Expirations in Period, Aggregate Intrinsic Value Expired, aggregate intrinsic value Payments to Acquire Property, Plant, and Equipment, Total Payments to Acquire Property, Plant, and Equipment Purchases of property and equipment, including capitalized software Payment for (Proceeds from) Other Investing Activity Other investing activities, net Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Grants in Period Granted (in shares) Assets Assets Total assets Finite-Lived Intangible Assets, Net [Abstract] Finite-Lived Intangible Assets, Net [Abstract] Inventory, Policy [Policy Text Block] Inventory Property, Plant and Equipment [Table] Property, Plant and Equipment [Table] Lessee, Finance Leases [Text Block] Leases Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Exercisable, Weighted Average Remaining Contractual Term Exercisable, weighted-average remaining contractual term Income Statement [Abstract] Unaudited quarterly consolidated statement of operations Stock options and RSUs, market based Stock options and restricted stock units market based. Stock Options and Restricted Stock Units Market Based [Member] Unrecognized Tax Benefits, Decrease Resulting from Prior Period Tax Positions Reductions for tax positions of prior years Share-Based Payment Arrangement [Policy Text Block] Stock-Based Compensation Deferred Income Tax Expense (Benefit), Total Deferred Income Tax Expense (Benefit) Deferred tax expense Weighted Average [Member] Weighted Average Vested (in shares) Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Vested in Period Schedule of Allocation of Plan Assets [Table Text Block] Schedule of allocation of plan assets Earnings Per Share, Diluted, Total Earnings Per Share, Diluted Diluted income per common share Schedule of Segment Reporting Information, by Segment [Table Text Block] Schedule of segment reporting information, by segment Operating Segments [Member] Operating Segments 2028 Finite-Lived Intangible Asset, Expected Amortization, Year Five Effective Income Tax Rate Reconciliation, Percent [Abstract] Reconciliation of the U.S. federal statutory rate to the effective rate for continuing operations City Area Code City Area Code Defined Benefit Plan, Cash [Member] Cash Auditor Name Auditor Name Schedule of Defined Benefit Plans Disclosures [Table Text Block] Schedule of fair value of assets of qualified defined benefit pension plan by asset category and level within fair value hierarchy Intangible Assets, Finite-Lived, Policy [Policy Text Block] Intangible Assets Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Contingent Consideration Payout Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Contingent Consideration Payout Payment of achieved earn-out threshold Line of Credit Facility, Maximum Borrowing Capacity Line of credit facility, maximum borrowing capacity Business Combination [Line Items] Business Acquisition [Line Items] Name of Receivable with Imputed Interest [Domain] Name of Receivable with Imputed Interest [Domain] Defined Benefit Plan [Table] Schedule of Defined Benefit Plans Disclosures [Table] Other Intangible Assets [Member] Other intangibles Variable Lease, Cost Variable lease cost Schedule of Revenue by Major Customers, by Reporting Segments [Table] Share-based Compensation Arrangement by Share-based Payment Award, Options, Intrinsic Value Share-based Compensation Arrangement by Share-based Payment Award, Options, Intrinsic Value [Roll Forward] Aggregate Intrinsic Value Operating Lease, Weighted Average Remaining Lease Term Operating leases, weighted average remaining lease term Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Lease, Cost Total net lease cost Letter of Credit [Member] Letter of Credit Cash and Cash Equivalents, Policy [Policy Text Block] Cash and Cash Equivalents Business Combination, Consideration Transferred, Equity Interest Issuance of stock Property, Plant and Equipment, Net Property and equipment, net Total property and equipment, net Long-lived assets Right-of-Use Asset Obtained in Exchange for Finance Lease Liability Non-cash: lease liabilities arising from new finance lease assets obtained Goodwill and Intangible Assets, Goodwill, Policy [Policy Text Block] Goodwill Defined Benefit Plan, Expected Future Benefit Payment, Year Three 2027 Deferred Foreign Income Tax Expense (Benefit) Foreign Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Exercisable, Number Exercisable as of end of period (in shares) Income from operations Operating Income (Loss) Goodwill, Foreign Currency Translation, Gain (Loss) Translation adjustments Represents the combined amount of increase (decrease) of consideration paid in advance for income and other taxes that provide economic benefits in future periods and deferred income tax expense (benefit) pertaining to income (loss) from continuing operations. 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Deferred Tax Assets Tax Deferred Expense Compensation And Benefits Compensated Absences And Employee Bonuses Accrued vacation and bonus December 9, 2024 stock repurchase plan. 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Patents And Trademarks [Member] Patent and trademarks Contract with Customer, Asset, after Allowance for Credit Loss, Total Contract with Customer, Asset, after Allowance for Credit Loss Contract asset Fair value adjustment of acquisition earn-outs Fair value of the earn-out liability Change in fair value Fair Value, Measurement with Unobservable Inputs Reconciliation, Recurring Basis, Liability, Gain (Loss) Included in Earnings Cumulative Effect, Period of Adoption [Domain] Cumulative Effect, Period of Adoption [Domain] Cash paid for finance lease liabilities. 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Share-Based Compensation Arrangement by Share-Based Payment Award, Number of Shares Available for Grant Remaining shares reserved for issuance Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition Weighted average vesting period for unrecognized compensation cost December 6, 2021 Stock Repurchase Plan December 6, 2021 Stock Repurchase Plan [Member] December 6, 2021 Stock Repurchase Plan Equipment Office Equipment [Member] SARs Capitalized Contract Cost [Domain] Goodwill, Impaired, Accumulated Impairment Loss Accumulated goodwill impairment loss Entity Emerging Growth Company Entity Emerging Growth Company Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Weighted Average Remaining Contractual Term Vested and expected to vest, weighted average remaining contractual term