Consolidated Balance Sheet Components - Schedule OF Property Plant And Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 166	$ 1,248
Less: accumulated depreciation	(166)	(541)
Property and equipment, net	0	707
Laboratory Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	166	837
Furniture and Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	0	307
Construction in Progress [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 0	$ 104

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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