Balance Sheet Components - Schedule of Property and equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Less: accumulated depreciation	$ (49)	$ (31)
Property and equipment, net	127	140
Computer And Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	20	15
Software Development [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	27	27
Machinery And Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	58	58
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	7	7
Furniture And Fixtures [Member]
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 64	$ 64

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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