Property and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Property and Equipment, Net
Property and equipment, gross	$ 4,816		$ 4,728
Accumulated depreciation	(3,539)		(3,393)
Property and equipment, net	1,277		1,335
Depreciation expense	200	$ 200
Computer equipment
Property and Equipment, Net
Property and equipment, gross	1,373		1,380
Lab equipment
Property and Equipment, Net
Property and equipment, gross	1,700		1,605
Furniture and fixtures
Property and Equipment, Net
Property and equipment, gross	620		620
Leasehold improvements
Property and Equipment, Net
Property and equipment, gross	$ 1,123		$ 1,123

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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The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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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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