Balance Sheet Items - Schedule of Property And Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Property and equipment, gross	$ 10,401	$ 8,964
Less: accumulated depreciation and amortization	(4,385)	(4,077)
Property and equipment, net	6,016	4,887
Lab Equipment [Member]
Property and equipment, gross	8,004	6,848
Leasehold Improvements [Member]
Property and equipment, gross	1,701	1,701
Computer Equipment [Member]
Property and equipment, gross	477	273
Furniture and Equipment [Member]
Property and equipment, gross	133	133
Construction in Progress [Member]
Property and equipment, gross	$ 86	$ 9

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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