Leases - Additional Information (Detail) - USD ($) $ in Thousands		1 Months Ended		12 Months Ended
	Jul. 17, 2020	Oct. 31, 2021	Apr. 30, 2021	Dec. 31, 2021	Dec. 31, 2020
Lessee Lease Description [Line Items]
Lease expiration date				Apr. 30, 2023
Lessee operating lease renewal term description				no stated renewal options
Right-of-use asset and lease liability		$ 600
Undiscounted future payment	$ 500			$ 2,454
Operating lease not yet commenced description	commenced during the fourth quarter of 2020.
Operating lease term of contract	2 years 7 months 6 days
Operating lease expense				$ 1,700	$ 700
Lease Lab And Office Space | Sublease Arrangement
Lessee Lease Description [Line Items]
Undiscounted future payment			$ 1,900
Operating lease, option to extend			This License Agreement has an original lease term of one year and a renewal period of six months
Operating lease commenced description			commenced during the second quarter of 2021