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Accrued Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Sep. 30, 2022
--- | --- | ---
Accrued Liabilities |  |
Accrued clinical site and patient visits costs | $ 2,006 | $ 2,031
Accrued compensation and benefits | 1,360 | 1,298
Fixed contract accruals | 38 | 417
Milestone based contract accruals | 1,267 | 137
All other accrued liabilities | 2,624 | 2,062
Total accrued liabilities | $ 7,295 | $ 5,945

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