Balance Sheet Components (Tables)
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9 Months Ended |
Jun. 30, 2026 |
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| Balance Sheet Related Disclosures [Abstract] |
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| Summary of Prepaid Expenses and Other Current Assets |
Prepaid Expenses and Other Current Assets
| | | | | | | | | | | | | | | | (in thousands) | | June 30,
2026 | | September 30,
2025 | | Prepaid expenses | | $ | 9,961 | | | $ | 9,626 | | | Contract assets | | 6,186 | | 3,857 | | Asset acquisition purchase consideration | | 20,000 | | — | | Insurance receivable for litigation settlement costs | | 16,340 | | — | | Other current assets | | 1,752 | | 1,721 | | | $ | 54,239 | | | $ | 15,204 | |
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| Summary of Inventories |
Inventories consist of the following: | | | | | | | | | | | | | | | | (in thousands) | | June 30,
2026 | | September 30,
2025 | | Raw materials | | $ | 27,052 | | | $ | 20,191 | | | Work-in-process | | 2,738 | | 2,265 | | Finished goods | | 5,372 | | 5,853 | | | $ | 35,162 | | | $ | 28,309 | |
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| Summary of Property, Plant and Equipment |
Property and equipment, net consists of the following: | | | | | | | | | | | | | | | | (in thousands) | | June 30,
2026 | | September 30,
2025 | | Laboratory equipment | | $ | 114,476 | | | $ | 101,583 | | | Furniture, fixtures and other equipment | | 2,915 | | | 2,905 | | | Vehicles | | 211 | | | 211 | | | Computer equipment | | 3,470 | | | 3,176 | | | Computer software | | 14,438 | | | 11,009 | | | Leasehold improvements | | 68,538 | | | 58,277 | | | Construction in progress | | 19,548 | | | 20,116 | | | | $ | 223,596 | | | $ | 197,277 | | | Less: Accumulated depreciation and amortization | | (111,708) | | | (94,994) | | | | $ | 111,888 | | | $ | 102,283 | |
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| Summary of Other Current Liabilities |
Accrued expenses and other current liabilities consist of the following: | | | | | | | | | | | | | | | | (in thousands) | | June 30,
2026 | | September 30,
2025 | | Accrued Expenses | | $ | 20,450 | | $ | 22,824 | | Litigation accruals | | 19,729 | | 229 | | Liability for issuance of shares of common stock | | 5,000 | | — | | Income and other taxes payable | | 7,376 | | 4,543 | | Contract liabilities | | 6,466 | | 6,884 | | Other current liabilities | | 682 | | 722 | | | $ | 59,703 | | | $ | 35,202 | |
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