Commitments and Contingencies - Additional Information (Details) $ in Millions	3 Months Ended
	Mar. 31, 2022 USD ($) ft²	Mar. 31, 2021 USD ($)
Operating Leased Assets [Line Items]
Lease costs	$ 0.1	$ 0.1
Operating lease, weighted average remaining lease term	1 year
Operating lease, weighted average discount rate	5.50%
Sudbury, MA
Operating Leased Assets [Line Items]
Rentable office space under operating lease | ft²	11,691
Base rent for office space	$ 0.3
Operating lease expiration date	Feb. 28, 2026
Right to terminate description	The Company has a one-time option to cancel the lease effective February 28, 2023 for any reason or no reason at all
Newton, MA
Operating Leased Assets [Line Items]
Rentable office space under operating lease | ft²	6,055
Base rent for office space	$ 0.3
Right to terminate description	The Newton Lease terminates on the last day of the month following the month either party notifies the other that the term of the lease shall end