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Accounts payable and Other noncurrent liabilities (Details) - Vendor Agreement - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |
--- | --- | --- | ---
Jun. 30, 2024 | Jun. 30, 2023 | Jun. 30, 2024 | Jun. 30, 2023 | Sep. 30, 2023
Accounts payable and other noncurrent liabilities |  |  |  |  |
Imputed interest rate | 8.20% |  | 8.20% |  |
Interest expense | $ 52 | $ 74 | $ 139 | $ 185 |
Payable to vendor | $ 1,400 |  | $ 1,400 |  | $ 3,300
Percentage of accounts payable and noncurrent liabilities | 10.00% |  | 10.00% |  | 26.00%

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