INCOME TAXES - Schedule of Loss Before Income Taxes by Source (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Income Tax Disclosure [Abstract]
U.S.	$ (574)	$ (45,327)
Outside the U.S.	21	(186)
Net loss before income taxes	$ (553)	$ (45,513)