Financial Statement Components - Schedule of Property and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property and Equipment [Abstract]
Total property and equipment	$ 99,355	$ 98,431
Impairment	(5,976)	0
Accumulated depreciation and amortization	(58,429)	(46,150)
Total property and equipment, net	34,950	52,281
Machinery and Equipment [Member]
Property and Equipment [Abstract]
Total property and equipment	63,684	62,982
Computer Hardware and Software [Member]
Property and Equipment [Abstract]
Total property and equipment	8,497	8,404
Land [Member]
Property and Equipment [Abstract]
Total property and equipment	1,001	1,001
Leasehold Improvements [Member]
Property and Equipment [Abstract]
Total property and equipment	22,592	22,620
Vehicles, Including Demonstration Fleet [Member]
Property and Equipment [Abstract]
Total property and equipment	2,177	2,139
Furniture and Fixtures [Member]
Property and Equipment [Abstract]
Total property and equipment	377	398
Construction in Progress [Member]
Property and Equipment [Abstract]
Total property and equipment	$ 1,027	$ 887