INTANGIBLE ASSETS (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Finite-Lived Intangible Assets [Line Items]
Balance Beginning	$ 16,382,000	$ 16,382,000
Additions	625,000
Amortization	(896,000)	(897,000)
Balance Ending, Cost	26,900,000
Balance Ending	16,111,000
Patents And Licenses [Member]
Finite-Lived Intangible Assets [Line Items]
Balance Beginning, Cost	12,378,000
Balance Beginning, A.A.	(6,957,000)
Additions	0
Amortization	(166,000)
Balance Ending, Cost	12,378,000
Balance Ending, A.A.	(7,123,000)
Software Development [Member]
Finite-Lived Intangible Assets [Line Items]
Balance Beginning, Cost	16,455,000
Balance Beginning, A.A.	(5,494,000)
Additions	625,000
Amortization	(730,000)
Balance Ending, Cost	17,080,000
Balance Ending, A.A.	$ (6,224,000)