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Accrued Expenses - Schedule of Accrued Expenses (Details) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Payables And Accruals [Abstract]    
Accrued research and development expenses $ 3,172 $ 2,288
Accrued compensation and benefits 1,127 2,024
Accrued professional services 272 249
Accrued other 260 43
Total accrued expenses $ 4,831 $ 4,604