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Company Selected Measure Name Company Selected Measure Name Aggregate Available Trading Arrangement, Securities Aggregate Available Amount Accounts payable Accounts Payable, Current Number of votes per share Common Stock, Number Of Votes Per Share Common Stock, Number Of Votes Per Share Cash payments included in the measurement of operating lease liabilities Operating Lease, Payments Stock Appreciation Rights (SARs) Stock Appreciation Rights (SARs) [Member] All Executive Categories All Executive Categories [Member] Common stock, $0.00001 par value —200,000 and 100,000 shares authorized at June 30, 2025 and September 30, 2024, respectively; 60,174 and 58,877 shares issued and outstanding at June 30, 2025 and September 30, 2024, respectively Common Stock, Value, Issued Goodwill [Roll Forward] Goodwill [Roll Forward] Short-term investments Short-Term Investments Liability related to the sale of future revenue Liabilities Related To Sale Of Future Revenue, Noncurrent Liabilities Related To Sale Of Future Revenue, Noncurrent Commitments and Contingencies Commitments and Contingencies Disclosure [Text Block] Title of Individual [Axis] Title and Position [Axis] Weighted average shares used in computing net loss per share attributable to common stockholders—diluted (in shares) Weighted average shares used in computing net loss per share, diluted (in shares) Weighted Average Number of Shares Outstanding, Diluted Commitments and contingencies (Note 10) Commitments and Contingencies Non-GAAP Measure Description Non-GAAP Measure Description [Text Block] Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] Fair Value Of Assets And Liabilities Measured On Non Recurring Basis [Line Items] Adam Laponis [Member] Adam Laponis Entity Small Business Entity Small Business Income Tax Disclosure [Abstract] Income Tax Disclosure [Abstract] Liability related to the sale of future revenue Other Long-Term Debt Document Transition Report Document Transition Report Underlying Securities Award Underlying Securities Amount Variable interest entity, primary beneficiary, maximum loss exposure, amount Variable Interest Entity, Primary Beneficiary, Maximum Loss Exposure, Amount Equity Component [Domain] Equity Component [Domain] Document Period End Date Document Period End Date PEO Actually Paid Compensation Amount PEO Actually Paid Compensation Amount Cash and Cash Equivalents [Domain] Cash and Cash Equivalents [Domain] Income Taxes Income Tax Disclosure [Text Block] Balance Sheet Components Supplemental Balance Sheet Disclosures [Text Block] Accounts receivable, allowance for credit loss Accounts Receivable, Allowance for Credit Loss Awards Close in Time to MNPI Disclosures, Table Awards Close in Time to MNPI Disclosures [Table Text Block] Summary of Revenue by Industry Schedule Of Revenue From External Customers And Long Lived Assets By Industry [Table Text Block] Tabular disclosure of revenue from external customers and long lived assets by industry. 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Tax Proceeds from the issuance of liability related to sale of future revenue Proceeds from Issuance of Other Long-Term Debt Promissory note receivable received as consideration for sale of business Disposal Group, Consideration Transferred, Promissory Note Receivable, Fair Value Disposal Group, Consideration Transferred, Promissory Note Receivable, Fair Value Common Stock Equity [Text Block] Summary of Other Current Liabilities Other Current Liabilities [Table Text Block] Net income (loss) Net loss attributable to common stockholders Net income (loss) Net Income (Loss) Attributable to Parent Expiration Date Trading Arrangement Expiration Date Construction in progress Construction in Progress [Member] Other liabilities Increase (Decrease) in Other Operating Liabilities Vesting period Share-Based Compensation Arrangement by Share-Based Payment Award, Award Vesting Period Property and equipment, net Property and equipment, net Property, Plant and Equipment, Net Segment Reporting Information [Line Items] Segment Reporting Information [Line Items] Adoption Date Trading Arrangement Adoption Date Compensation Actually Paid vs. Net Income Compensation Actually Paid vs. Net Income [Text Block] Accounts receivable, net Increase (Decrease) in Accounts Receivable Contract with customer, asset, after allowance for credit loss Contract with Customer, Asset, after Allowance for Credit Loss Entity Current Reporting Status Entity Current Reporting Status Awards Close in Time to MNPI Disclosures Awards Close in Time to MNPI Disclosures [Table] Customer Relationships Customer Relationships [Member] Loss from operations Operating Income (Loss) Accumulated deficit Accumulated deficit Retained Earnings (Accumulated Deficit) Leasehold improvements Leaseholds and Leasehold Improvements [Member] Impairment of long-lived assets Gain (Loss) on Disposition of Property Plant Equipment Financial Instrument [Axis] Financial Instrument [Axis] Statement of Financial Position [Abstract] Statement of Financial Position [Abstract] Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested Year-end Fair Value of Equity Awards Granted in Covered Year that are Outstanding and Unvested [Member] Executive Category: Executive Category [Axis] Current Fiscal Year End Date Current Fiscal Year End Date Impairment Finite-lived intangible assets Impairment of Intangible Assets, Finite-Lived Finite-Lived Intangible Assets, Major Class Name [Domain] Finite-Lived Intangible Assets, Major Class Name [Domain] Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table Aggregate Grant Date Fair Value of Equity Award Amounts Reported in Summary Compensation Table [Member] Industry Sectors [Axis] Industry Sectors [Axis] Information by industry sector. Weighted average grant date fair value per share Share-Based Compensation Arrangement by Share-Based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract] Other income (expense), net Other Nonoperating Income (Expense) Statement [Table] Statement [Table] Adjustments to reconcile net loss to net cash used in operating activities Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Earnings Per Share, Basic, by Common Class, Including Two-Class Method [Table] Liability Related to the Sales of Future Revenue Collaborative Arrangement Disclosure [Text Block] Financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation [Abstract] Cash Cash [Member] Equity Awards Adjustments, Excluding Value Reported in Compensation Table Equity Awards Adjustments, Excluding Value Reported in the Compensation Table [Member] Risk-free interest rate Measurement Input, Risk Free Interest Rate [Member] Contract with customer, liability Contract with Customer, Liability Organization and Description of Business Organization, Consolidation and Presentation of Financial Statements Disclosure [Text Block] Cash and Cash Equivalents [Abstract] Antidilutive securities excluded from computation of earnings per share amount (in shares) Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount All Adjustments to Compensation All Adjustments to Compensation [Member] Amendment Flag Amendment Flag Leases Lessee, Operating Leases [Text Block] Termination Date Trading Arrangement Termination Date Net cash provided by financing activities Cash Provided by (Used in) Financing Activity, Including Discontinued Operation Insider Trading Policies and Procedures Adopted Insider Trading Policies and Procedures Adopted [Flag] Measure: Measure [Axis] Lease weighted average discount rate Operating Lease, Weighted Average Discount Rate, Percent Schedule of Activity Under Option and Performance Stock Options Share-Based Payment Arrangement, Option, Activity [Table Text Block] Other current liabilities Other Liabilities, Current, Other Than Contingent Consideration and Taxes Amount of liabilities classified as other, due within one year or the normal operating cycle, if longer, other business acquisition contingent consideration and taxes payable. 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