Property and Equipment - Schedule of Property and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 19,725	$ 18,722
Less: accumulated depreciation and amortization	(15,869)	(12,422)
Property and equipment, net	3,856	6,300
Leasehold Improvements
Property Plant And Equipment [Line Items]
Property and equipment, gross	904	875
Machinery and Equipment
Property Plant And Equipment [Line Items]
Property and equipment, gross	572	572
Furniture and Fixtures
Property Plant And Equipment [Line Items]
Property and equipment, gross	1,272	1,297
Construction in Progress
Property Plant And Equipment [Line Items]
Property and equipment, gross	$ 158	$ 32