Income Taxes - Summary of Income Tax Expense (Benefit) (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Current:
Federal		$ (133)
State	$ 5	6
Foreign	152	134
Total current	157	7
Deferred:
Federal	24	155
State	35	24
Foreign	(1)	(26)
Total deferred	58	153
Total income tax expense	$ 215	$ 160