Property and Equipment Net (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 25,112	$ 25,185
Accumulated depreciation and amortization	(16,472)	(14,216)
Total property and equipment, net	8,640	10,969
Construction-in-progress
Property, Plant and Equipment [Line Items]
Total property and equipment, gross		416
Machinery and equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	5,534	4,585
Computer equipment and software
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	3,949	3,872
Furniture and fixtures
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	2,008	2,065
Leasehold improvements
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	12,192	12,814
Consigned equipment
Property, Plant and Equipment [Line Items]
Total property and equipment, gross	$ 1,429	$ 1,433