Income Taxes - Summary of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021
Current:
Federal	$ 0	$ 0
State	8	5
Foreign	157	152
Total current	165	157
Deferred:
Federal	24	24
State	37	35
Foreign	0	(1)
Total deferred	61	58
Total income tax expense	$ 226	$ 215