Intangible Assets (Tables)
9 Months Ended
Sep. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Summary of Intangible Assets

Intangible assets as of September 30, 2016 and December 31, 2015 are comprised of the following (in thousands):

 

     September 30, 2016  
     Gross
amount
     Accumulated
amortization
     Net
amount
 

Technology

   $ 19,735       $ (19,735    $ —    

Customer relationships

     28,343         (28,343      —    

Intellectual property assets

     9,586         (6,357      3,229   
  

 

 

    

 

 

    

 

 

 

Intangible assets, net

   $ 57,664       $ (54,435    $ 3,229   
  

 

 

    

 

 

    

 

 

 
     December 31, 2015  
     Gross
amount
     Accumulated
amortization
     Net
amount
 

Technology

   $ 18,460       $ (18,460    $ —    

Customer relationships

     26,513         (26,513      —    

Intellectual property assets

     8,357         (5,728      2,629   
  

 

 

    

 

 

    

 

 

 

Intangible assets, net

   $ 53,330       $ (50,701    $ 2,629