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Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2013
Goodwill And Intangible Assets Disclosure [Abstract]  
Summary of Intangible Assets

Intangible assets as of September 30, 2013 and December 31, 2012 are as follows:

 

     September 30,
2013
    December 31,
2012
 

Technology

   $ 21,955      $ 25,011   

Customer relationships

     28,889        29,010   

Intellectual property assets

     7,497        7,145   

Less: accumulated amortization

     (52,696     (49,266

Goodwill

     3,347        3,360   
  

 

 

   

 

 

 

Intangible assets, net

   $ 8,992      $ 15,260