Income Taxes - Schedule of Components of Income Tax Expense (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Current
Federal	$ (712)	$ (37)
State	73	61
Foreign	729	447
Deferred
Federal	334	332
State	806	705
Foreign	(294)	(789)
Total income tax provision	$ 936	$ 719