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Accrued Expenses - Summary of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Accrued Liabilities, Current [Abstract]    
Employee compensation and related benefits $ 2,309 $ 236
Professional fees 3,625 683
Consulting and contracted research 3,925 49
Other 117 30
Total accrued expenses $ 9,976 $ 998