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Intellectual Property (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2013
Dec. 31, 2012
Intellectual Property [Line Items]    
Intellectual property, net $ 2,741 $ 3,241
Patents [Member]
   
Intellectual Property [Line Items]    
Patents 5,000 5,000
Accumulated amortization (2,259) (1,759)
Intellectual property, net $ 2,741 $ 3,241