Property and Equipment, Net - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property Plant And Equipment [Line Items]
Property and equipment, at cost	$ 8,180	$ 8,098
Less: accumulated depreciation and amortization	(6,194)	(5,846)
Property and equipment, net	1,986	2,252
Laboratory Equipment
Property Plant And Equipment [Line Items]
Property and equipment, at cost	5,939	5,857
Computers and Purchased Software
Property Plant And Equipment [Line Items]
Property and equipment, at cost	1,596	1,596
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, at cost	$ 645	$ 645