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Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Payables and Accruals [Abstract]    
Payroll and employee related expenses $ 1,192 $ 2,017
Third-party research and development expenses 749 1,811
Professional fees and other 831 528
Accrued expenses $ 2,772 $ 4,356