Balance Sheet Components - Schedule of Property Plant and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 30,108	$ 33,651
Less: Accumulated depreciation	(21,272)	(23,423)
Property and equipment, net	$ 8,836	10,228
Machinery and equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	3 years
Property, plant and equipment, gross	$ 12,029	16,535
Computer equipment
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	3 years
Property, plant and equipment, gross	$ 525	1,104
Automotive and vehicle hardware
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	5 years
Property, plant and equipment, gross	$ 93	22
Software
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	3 years
Property, plant and equipment, gross	$ 589	593
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Estimated Useful Life (in years)	7 years
Property, plant and equipment, gross	$ 850	946
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	5,112	3,572
Leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment, gross	$ 10,910	$ 10,879