Income (Loss) before Income Tax Provision for Domestic and Non-U.S. Operations (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
U.S.	$ (1,189)	$ (6,321)
Foreign	2,837	1,289
Income (loss) before income tax provision	$ 1,648	$ (5,032)