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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Composition of Certain Condensed Consolidated Financial Statement Line Items - Property, Plant and Equipment (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 5,116		$ 4,477
Less: Accumulated depreciation	(2,275)		(1,994)
Total	2,841		2,483
Depreciation	281	$ 214
Laboratory equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	4,297		4,032
Computer hardware
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	157		157
Furniture, fixtures and office equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	26		1
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	8		8
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 628		$ 279