Provision Benefit for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
Foreign	$ 520	$ 274	$ 274
State	5
Total current	525	274	274
Federal	(18)	23	6
State	(19)	22	4
Total deferred	(37)	45	10
Provision for income taxes	$ 488	$ 319	$ 284