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Balance Sheet Components - Schedule of Inventory (Detail) - USD ($)
$ in Thousands
Mar. 31, 2022
Dec. 31, 2021
Schedule Of Investments [Abstract]    
Raw materials $ 1,359 $ 1,363
Work-in-progress 33,837 21,499
Finished goods 7,871 8,153
Total inventories $ 43,067 $ 31,015