INCOME TAXES (Components of Income Tax Expense (Benefit)) (Details) - USD ($) $ in Thousands	3 Months Ended								12 Months Ended
	Dec. 31, 2016	Sep. 30, 2016	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Sep. 30, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2016	Dec. 31, 2015	Dec. 31, 2014
Current:
Federal									$ (28)	$ (264)	$ (110)
State									(23)	33	53
Foreign									504	360	(360)
Total current (benefit) expense									453	129	(417)
Deferred:
Federal									203	164	65
State									27	11	4
Foreign									35	160	912
Total deferred expense									265	335	981
Income tax expense	$ 384	$ 163	$ 46	$ 125	$ (105)	$ 219	$ 163	$ 187	$ 718	$ 464	$ 564