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Balance Sheet Components - Schedule of Property and Equipment, Net (Detail) - USD ($)
$ in Thousands
Mar. 31, 2024
Dec. 31, 2023
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 28,236 $ 27,553
Less: Accumulated depreciation (4,672) (4,265)
Property and equipment, net 23,564 23,288
Buildings    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 12,294 12,289
Construction in Progress    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 8,420 7,875
Machinery and Electronic Devices    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 6,732 6,598
Furniture and Fixtures    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross 605 606
Motor Vehicles    
Property, Plant and Equipment [Line Items]    
Property and equipment, gross $ 185 $ 185