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Balance Sheets Components - Schedule of Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2021 | Dec. 31, 2020
--- | --- | ---
Payables And Accruals [Abstract] |  |
Accrued payroll and related benefits | $ 7,237 | $ 5,362
Deferred non-recurring engineering services | 5,666 |
Revenue reserves | 4,517 | 3,063
Short term lease liability | 1,336 | 1,264
Accrued customer rebates | 784 | 380
Other accrued expenses | 4,742 | 2,894
Operating Lease Liability Current | $ 1,336 | $ 1,264
Operating Lease, Liability, Current, Statement of Financial Position [Extensible List] | Total accrued expenses and other current liabilities | Total accrued expenses and other current liabilities
Total accrued expenses and other current liabilities | $ 24,282 | $ 12,963

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