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Nature of the Business and Basis of Presentation - Additional Information (Detail) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Accounting Policies [Abstract]    
Net loss $ 44,215 $ 28,748
Accumulated deficit 442,446 $ 398,231
Cash equivalents and marketable securities $ 92,500