ACCUMULATED OTHER COMPREHENSIVE INCOME (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Total accumulated other comprehensive income
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	$ 187
Current period other comprehensive income (loss)	(48)
Ending balance	139
Minimum pension liability
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	(576)
Current period other comprehensive income (loss)	0
Ending balance	(576)
Foreign currency translation
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	673
Current period other comprehensive income (loss)	42
Ending balance	715
Sale of Equity Investment
Accumulated Other Comprehensive Income (Loss), Net of Tax [Roll Forward]
Beginning balance	90
Current period other comprehensive income (loss)	(90)
Ending balance	$ 0