INTANGIBLES ASSETS (Details) - USD ($) $ in Thousands	3 Months Ended	12 Months Ended
	Mar. 31, 2016	Dec. 31, 2015
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 45,632	$ 23,267
Accumulated Amortization	(16,515)	(17,790)
Net	$ 29,117	5,477
Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	1 year
Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	17 years
Technology [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 3,110	4,930
Accumulated Amortization	(2,721)	(4,497)
Net	$ 389	$ 433
Weighted-Average Life	4 years 8 months 23 days	4 years 9 months 29 days
Technology [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	3 years
Technology [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	17 years
Intellectual Property Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 14,161	$ 14,161
Accumulated Amortization	(9,916)	(9,632)
Net	$ 4,245	$ 4,538
Weighted-Average Life	5 years 2 months 27 days	5 years 4 months 10 days
Intellectual Property Rights [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	3 years
Intellectual Property Rights [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	17 years
Covenant Not-to-Compete And Not-to-Sue [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 2,185	$ 2,085
Accumulated Amortization	(2,017)	(1,911)
Net	$ 168	$ 174
Weighted-Average Life	2 years 4 months 13 days	5 months 1 day
Covenant Not-to-Compete And Not-to-Sue [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	2 years
Covenant Not-to-Compete And Not-to-Sue [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years
Tradename [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 321	$ 321
Accumulated Amortization	$ (321)	$ (321)
Net
Tradename [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	3 years
Tradename [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	6 years
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 22,600	$ 500
Accumulated Amortization	(550)	$ (500)
Net	$ 22,050
Weighted-Average Life	15 years 11 months 1 day
Customer Relationships [Member] | Minimum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years
Customer Relationships [Member] | Maximum [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	16 years
Backlog [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	1 year
Gross Carrying Amount	$ 800	$ 800
Accumulated Amortization	$ (800)	$ (800)
Net
Software License [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	10 years
Gross Carrying Amount	$ 885
Accumulated Amortization	(6)
Net	$ 879
Weighted-Average Life	10 years
Process Know How [Member]
Finite-Lived Intangible Assets [Line Items]
Estimated useful life	5 years
Gross Carrying Amount	$ 1,100
Accumulated Amortization	(18)
Net	$ 1,082
Weighted-Average Life	4 years 11 months 1 day
Other Intangible Assets [Member]
Finite-Lived Intangible Assets [Line Items]
Gross Carrying Amount	$ 470	$ 470
Accumulated Amortization	(166)	(138)
Net	$ 304	$ 332
Weighted-Average Life	2 years 9 months	3 years