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Goodwill and Intangible Assets (Details 1) (USD $)
In Thousands, unless otherwise specified
Sep. 30, 2013
Dec. 31, 2012
Schedule of future amortization expenses    
2013 (remaining three months) $ 386  
2014 1,357  
2015 1,241  
2016 1,208  
2017 1,157  
Thereafter 6,446  
Net Carrying Amount $ 11,795 $ 7,906