Property and Equipment - Schedule of Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 2,114	$ 1,832
Less: accumulated depreciation and amortization	(1,587)	(809)
Property and equipment, net	527	1,023
Laboratory Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	1,379	1,135
Computer Equipment [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	292	260
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	264	264
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Total property and equipment	$ 179	$ 173