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Accrued Expenses - Summary of Accrued Expenses (Detail) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Payables and Accruals [Abstract]    
Research and development expenses $ 6,528 $ 2,063
Employee compensation and benefits 4,605 2,634
Professional services and other 594 581
Total accrued expenses $ 11,727 $ 5,278