Property and Equipment, Net (Detail) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 19,015	$ 19,431
Accumulated depreciation	(11,346)	(10,959)
Property and equipment, net	7,669	8,472
Building and Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,201	1,392
Furniture, Fixtures and Office Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	234	215
Plant and Machinery
Property Plant And Equipment [Line Items]
Property and equipment, gross	17,264	17,528
Purchased Software
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 316	$ 296