Balance Sheet Items - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,937	$ 1,566
Less accumulated depreciation	(824)	(456)
Property and equipment—net	1,113	1,110
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment	156	85
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment	193	135
Lab equipment
Property, Plant and Equipment [Line Items]
Property and equipment	748	600
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Property and equipment	$ 840	$ 746

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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