Post-effective amendment to a registration statement that is not immediately effective upon filing

Commitments and Contingencies - Additional Information (Detail)

v3.22.1
Commitments and Contingencies - Additional Information (Detail)
$ in Millions
12 Months Ended
Dec. 31, 2021
USD ($)
Locations
Dec. 31, 2020
USD ($)
Operating lease, rent expense $ 2.5 $ 2.2
Purchase commitment, minimum amount commited 0.0  
Loss contingency $ 0.0  
Watertown, Massachusetts [Member]    
Number of spaces leased | Spaces | Locations 2  
Operating lease, expiration date Jan. 31, 2024  
Operating lease, expiration date, second location Jul. 31, 2028  
Billerica, Massachusetts [Member]    
Number of spaces leased | Spaces | Locations 1  
Operating lease, expiration date May 31, 2029