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Accrued Expenses (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
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Payables and Accruals [Abstract] |  |
Research and development contract costs | $ 4,235 | $ 11,256
Compensation and related benefits | 3,794 | 3,967
Lease liabilities | 796 | 701
Litigation settlement | 0 | 1,400
Other current liabilities | 1,041 | 471
Total accrued expenses and other current liabilities | $ 9,866 | $ 17,795

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