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Balance Sheet Details - Schedule of Accrued Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2019
Dec. 31, 2018
Accrued Liabilities Current [Abstract]    
Payroll and related expenses $ 19,365 $ 10,648
Warranty 6,348 2,441
Other 491 611
Total accrued liabilities $ 26,204 $ 13,700