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Accrued Expenses - Summary of Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2025
Dec. 31, 2024
Accrued Liabilities, Current [Abstract]    
Employee compensation and benefits $ 710 $ 473
External research and development expenses 37 178
Professional and consulting fees 1,551 1,305
Restructuring 400 450
Other 796 731
Total accrued expenses $ 3,494 $ 3,137