Property and Equipment Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 25,593	$ 25,112
Accumulated depreciation and amortization	(18,439)	(16,472)
Total property and equipment, net	7,154	8,640
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	5,949	5,534
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	3,969	3,949
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	2,008	2,008
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	12,192	12,192
Consigned equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 1,475	$ 1,429