Balance Sheet Components - Property and Equipment, Net (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Property and Equipment
Total property and equipment	$ 6,984	$ 6,819
Accumulated depreciation	(5,721)	(5,254)
Property and equipment, net	1,263	1,565
Laboratory equipment
Property and Equipment
Total property and equipment	4,982	4,817
Furniture and computer equipment
Property and Equipment
Total property and equipment	1,089	1,089
Leasehold improvements
Property and Equipment
Total property and equipment	$ 913	$ 913

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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