Financial Statement Components - Accrued and Other Current Liabilities (Details) - USD ($)	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Accrued compensation and benefits	$ 16,682,000	$ 9,899,000
Accrued expenses	22,358,000	6,727,000
Warranty reserves	3,584,000	1,798,000
Contract liabilities	1,993,000	898,000
Accrued interest payable	359,000	316,000
Contract losses	7,526,000	115,000
Other	460,000	91,000
Total accrued and other current liabilities	52,962,000	19,844,000
Estimated contract losses	$ 19,200,000	$ 0	$ 0