Property and Equipment, Net - Summary of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 7,950	$ 8,426
Less accumulated depreciation and amortization	(5,659)	(4,887)
Property and equipment, net	2,291	3,539
Laboratory equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	2,659	2,951
Software and computer equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	548	591
Machinery and equipment [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,809	2,046
Furniture and fixtures [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	211	181
Vehicles [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	417	428
Leasehold improvements [Member]
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 2,306	$ 2,229

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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Amount before accumulated depreciation, depletion and amortization of physical assets used in the normal conduct of business and not intended for resale. Examples include, but are not limited to, land, buildings, machinery and equipment, office equipment, and furniture and fixtures.

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