GOODWILL AND INTANGIBLE ASSETS (Finite Lived Intangible Assets and Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011	Dec. 31, 2011
Intangible Assets and Goodwill [Line Items]
Goodwill	$ 14,786		$ 14,786
Intangible Assets, Net[Abstract]
Amortization of intangibles	189	243
Finite-Lived Intangible Assets, Gross	13,506		13,506
Finite-Lived Intangible Assets, Accumulated Amortization	(4,843)		(4,654)
Finite-Lived Intangible Assets, Net	8,663		8,852
In-process research and developement [Member]
Intangible Assets, Net[Abstract]
Indefinite-lived Intangible Assets	4,690		4,690
Technology licenses [Member]
Intangible Assets, Net[Abstract]
Finite-Lived Intangible Assets, Gross	3,000		3,000
Finite-Lived Intangible Assets, Accumulated Amortization	(1,800)		(1,725)
Finite-Lived Intangible Assets, Net	1,200		1,275
Patent rights [Member]
Intangible Assets, Net[Abstract]
Finite-Lived Intangible Assets, Gross	1,949		1,949
Finite-Lived Intangible Assets, Accumulated Amortization	(1,949)		(1,949)
Finite-Lived Intangible Assets, Net	0		0
Developed technology [Member]
Intangible Assets, Net[Abstract]
Finite-Lived Intangible Assets, Gross	2,920		2,920
Finite-Lived Intangible Assets, Accumulated Amortization	(915)		(829)
Finite-Lived Intangible Assets, Net	2,005		2,091
Customer relationships [Member]
Intangible Assets, Net[Abstract]
Finite-Lived Intangible Assets, Gross	910		910
Finite-Lived Intangible Assets, Accumulated Amortization	(142)		(114)
Finite-Lived Intangible Assets, Net	768		796
Other intangibles [Member]
Intangible Assets, Net[Abstract]
Finite-Lived Intangible Assets, Gross	37		37
Finite-Lived Intangible Assets, Accumulated Amortization	(37)		(37)
Finite-Lived Intangible Assets, Net	$ 0		$ 0