Income Taxes - Summary of Net Deferred Tax Accounts (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Deferred Tax Assets:
Net operating loss carryforwards	$ 4,781	$ 6,874
Federal, foreign, and state credits	3,049	2,666
Research and experimental expenditures	1,783	0
Amortization	1,768	2,346
Inventory reserves	926	1,076
Deferred gain	868	863
Stock compensation	779	498
Deferred rent	435	476
Depreciation	242	0
Accrued vacation	222	276
Other	520	417
Gross deferred tax assets	15,373	15,492
Valuation allowance	(14,275)	(15,258)
Net deferred tax asset	1,098	234
Deferred Tax Liabilities:
Amortization	(215)	0
Depreciation	(1)	(234)
Net Deferred Tax Assets	$ 882	$ 0