Balance Sheet Components - Schedule of Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 29,765	$ 27,553
Less: Accumulated depreciation	(5,323)	(4,265)
Property and equipment, net	24,442	23,288
Buildings
Property, Plant and Equipment [Line Items]
Property and equipment, gross	19,122	12,289
Construction in Progress
Property, Plant and Equipment [Line Items]
Property and equipment, gross	388	7,875
Machinery and Electronic Devices
Property, Plant and Equipment [Line Items]
Property and equipment, gross	9,400	6,598
Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Property and equipment, gross	668	606
Motor Vehicles
Property, Plant and Equipment [Line Items]
Property and equipment, gross	$ 187	$ 185

Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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