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Accounts payable and accrued expenses, and Other noncurrent liabilities - (Details) - Vendor Agreement - USD ($) $ in Thousands | 3 Months Ended
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Dec. 31, 2024 | Dec. 31, 2023
Accounts payable and other noncurrent liabilities |  |
Imputed interest rate | 8.00% |
Interest expense | $ 75 | $ 45

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