Quarterly report pursuant to Section 13 or 15(d)

Balance Sheet Components - Additional Information (Details)

v3.20.2
Balance Sheet Components - Additional Information (Details) - USD ($)
$ in Millions
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Organization Consolidation And Presentation Of Financial Statements [Abstract]        
Depreciation expense $ 0.2 $ 0.2 $ 0.7 $ 0.6