INCOME TAXES - Income Before Income Taxes by Jurisdiction and Component (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2019	Dec. 31, 2018
Components of Company's loss before income taxes [Abstract]
United States	$ (5,038)	$ (11,762)
Foreign	10,774	12,251
Income before income taxes	5,736	489
Current provision (benefit):
Federal	131	13
State	64	(25)
Foreign	1,188	3,220
Total	1,383	3,208
Deferred provision (benefit):
Federal	0	1,074
State	0	1,027
Foreign	1,064	(934)
Total	1,064	1,167
Total	$ 2,447	$ 4,375