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Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Accrued Expenses and Other Current Liabilities |  |
Professional fees | $ 418 | $ 602
Compensation and related benefits | 6,232 | 8,446
Research and development | 3,063 | 1,878
Property and equipment |  | 85
Amount due to Catalent in connection with Letter Agreements | 4,000 |
Accrued expenses and other current liabilities | $ 13,713 | $ 11,011

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