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Balance Sheet Components - Schedule of Inventories, Net of Reserves (Detail) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Inventory, Net [Abstract]    
Raw materials $ 724 $ 919
Work in progress 2,532 1,997
Finished goods 1,683 1,365
Inventories, net $ 4,939 $ 4,281