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Intangible Assets
3 Months Ended
Mar. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible Assets

5. Intangible Assets

Intangible assets as of March 31, 2015 and December 31, 2014 are as follows:

 

     March 31,
2015
     December 31,
2014
 

Technology

   $ 19,580       $ 19,683   

Customer relationships

     28,120         28,269   

Intellectual property assets

     8,350         8,359   

Less: accumulated amortization

     (53,628      (53,860
  

 

 

    

 

 

 

Intangible assets, net

$ 2,422    $ 2,451   
  

 

 

    

 

 

 

Aggregate amortization expenses for intangible assets totaled $81 thousand and $418 thousand for the three months ended March 31, 2015 and 2014, respectively.