Term Loans and Warrant Liabilities - Summary of Changes in Fair Value of Warrant Liabilities Level 3 (Details) - Warrant [Member] - Level 3 [Member] - USD ($) $ in Thousands |
9 Months Ended | |
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Jun. 30, 2026 |
Jun. 30, 2025 |
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| Fair Value, Liabilities Measured on Recurring Basis, Unobservable Input Reconciliation [Line Items] | ||
| Balance | $ 3,570 | $ 6,640 |
| Change in fair value related to non-credit risk in net loss | $ (1,810) | $ (4,560) |
| Fair Value, Liability, Recurring Basis, Unobservable Input Reconciliation, Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] | Other income, net | Other income, net |
| Balance | $ 1,760 | $ 2,080 |
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount of gain (loss) recognized in income from liability measured at fair value on recurring basis using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value of financial instrument classified as a liability measured using unobservable inputs that reflect the entity's own assumption about the assumptions market participants would use in pricing. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Indicates line item in statement of income or comprehensive income that includes gain (loss) from liability measured at fair value using unobservable input (level 3). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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