Balance Sheet Components - Schedule of Property and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Property and equipment gross	$ 832	$ 13,477
Less: accumulated depreciation	(168)	(10,617)
Property and equipment, net	664	2,860
Laboratory and warehouse equipment and tooling
Property, Plant and Equipment [Line Items]
Property and equipment gross	469	6,837
Computer equipment and software
Property, Plant and Equipment [Line Items]
Property and equipment gross	30	1,543
Office furniture and fixtures
Property, Plant and Equipment [Line Items]
Property and equipment gross	314	1,955
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property and equipment gross	$ 19	2,983
Automobiles
Property, Plant and Equipment [Line Items]
Property and equipment gross		29
Construction in progress
Property, Plant and Equipment [Line Items]
Property and equipment gross		$ 130