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INTANGIBLE ASSETS (Details) (USD $)
6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Dec. 31, 2011
Finite-Lived Intangible Assets [Line Items]      
Net carrying amount $ 708,000   $ 752,000
Amortization of Intangible Assets 70,500 86,000  
Purchased technology [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross 1,441,000   1,441,000
Less: accumulated amortization (733,000)   (689,000)
Net carrying amount 708,000   752,000
Purchased technology [Member] | Minimum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Useful life (in years) 9 years    
Purchased technology [Member] | Maximum [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Useful life (in years) 17 years    
License rights [Member]
     
Finite-Lived Intangible Assets [Line Items]      
Finite-lived intangible assets, gross 316,000   316,000
Less: accumulated amortization (316,000)   (290,000)
Net carrying amount 0   26,000
Useful life (in years) 5 years    
Trade Names [Member]
     
Indefinite-lived Intangible Assets [Line Items]      
Indefinite-lived intangible assets $ 1,510,000   $ 1,510,000