Property and Equipment, Net (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 700		$ 756
Less: accumulated depreciation	(285)		(358)
Property, plant and equipment	415		398
Depreciation and amortization	54	$ 35
Lab equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	360		370
Office equipment
Property, Plant and Equipment [Line Items]
Property and equipment, gross	272		315
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	63		65
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 5		$ 6

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 aggregate expense recognized in the current period that allocates the cost of tangible assets, intangible assets, or depleting assets to periods that benefit from use of the assets.

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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.

+ References

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