SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details 1) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Foreign Currency Translation Adjustments, Beginning balance	$ (2,894)	$ (934)
Other comprehensive (loss) income before reclassifications, Foreign Currency Translation Adjustments	(2,797)	(1,960)
Amounts reclassified from accumulated other comprehensive loss, Foreign Currency Translation Adjustments	0	0
Net current period other comprehensive (loss) income, Foreign Currency Translation Adjustments	(2,797)	(1,960)
Foreign Currency Translation Adjustments, Ending balance	(5,691)	(2,894)
Defined Benefit Pension Items, Beginning balance	(15,136)	(8,488)
Other comprehensive (loss) income before reclassifications, Defined Benefit Pension Items	1,285	(7,079)
Amounts reclassified from accumulated other comprehensive loss, Defined Benefit Pension Items	1,075	431
Net current period other comprehensive (loss) income, Defined Benefit Pension Items	2,360	(6,648)
Defined Benefit Pension Items, Ending balance	(12,776)	(15,136)
Beginning balance	(18,030)	(9,422)
Other comprehensive (loss) income before reclassifications	(1,512)	(9,039)
Amounts reclassified from accumulated other comprehensive loss	1,075	431
Net current period other comprehensive (loss) income	(437)	(8,608)
Ending balance	$ (18,467)	$ (18,030)