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Patents and Other Intangible Assets (Details 1) - USD ($)
Jun. 30, 2015
Dec. 31, 2014
Finite-Lived Intangible Assets [Line Items]    
Finite-Lived Intangible Assets, Net $ 2,973,000 $ 2,372,000
Issued Patents [Member]    
Finite-Lived Intangible Assets [Line Items]    
2015 4,000  
2016 9,000  
2017 9,000  
2018 9,000  
2019 9,000  
Thereafter 43,000  
Finite-Lived Intangible Assets, Net $ 83,000