INCOME TAXES - Schedule of Components of Income Tax Expense (Benefit) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Current:
Federal	$ 209	$ 443
State	88	207
Foreign	117	130
Total current	414	780
Deferred:
Federal	(1,909)	(311)
State	(266)	(251)
Foreign	24	(90)
Total deferred	(2,151)	(652)
Income tax expense (benefit)	$ (1,737)	$ 128