Income Taxes - Provision for Income Taxes (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Current:
State		$ 16
Total current		16
Deferred:
Federal	$ 189	(1,892)
State	13	(135)
Total deferred	202	(2,027)
Provision for (benefit from) income taxes	$ 202	$ (2,011)