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Patents and Licensed Technologies, net (Details) (USD $)
In Thousands, unless otherwise specified
6 Months Ended 12 Months Ended
Jun. 30, 2013
Jun. 30, 2012
Dec. 31, 2012
Patents and Licensed Technologies [Abstract]      
Patents and licensed technologies, net $ 11,536   $ 12,673 [1]
Estimated amortization expense for amortizable patents and licensed technologies assets [Abstract]      
Patents and licensed technologies, net 11,536   12,673 [1]
Patents and Licensed Technologies [Member]
     
Patents and Licensed Technologies [Abstract]      
Gross Amount beginning of period 15,411 15,124 15,124
Additions 38   181
Translation differences (188)   106
Gross Amount end of period 15,261   15,411
Accumulated amortization (3,725)   (2,738)
Patents and licensed technologies, net 11,536   12,673
Amortization expense 1,020 1,015  
Estimated amortization expense for amortizable patents and licensed technologies assets [Abstract]      
Last six months of 2013 1,022    
2014 2,043    
2015 2,036    
2016 1,965    
2017 896    
Thereafter 3,574    
Patents and licensed technologies, net $ 11,536   $ 12,673
[1] Restated