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Balance Sheet Components - Schedule of Inventory (Detail) - USD ($)
$ in Thousands
Jun. 30, 2024
Dec. 31, 2023
Schedule of Investments [Abstract]    
Raw materials $ 1,018 $ 1,376
Work-in-progress 19,492 34,614
Finished goods 4,887 5,575
Total inventories $ 25,397 $ 41,565