REDEEMABLE NONCONTROLLING INTEREST (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015
Balance at the beginning of the period	$ 939
Net income attributable to noncontrolling interest	48	$ 54
Balance at the end of the period	1,006
Convergent Technologies Partners SPA
Balance at the beginning of the period	939
Net income attributable to noncontrolling interest	48
Accretion attributable to noncontrolling interest	19
Balance at the end of the period	$ 1,006