Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Components - Schedule of Accrued Payroll (Details)

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Balance Sheet Components - Schedule of Accrued Payroll (Details) - USD ($)
$ in Thousands
Mar. 31, 2021
Dec. 31, 2020
Payables And Accruals [Abstract]    
Accrued bonuses $ 1,166 $ 4
Accrued wages and other payroll related items 4,873 3,796
Accrued vacation 2,970 2,642
Accrued employee stock purchase plan deductions 182 649
Accrued payroll $ 9,191 $ 7,091