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Intangibles (Tables)
3 Months Ended
Mar. 31, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Amortization of Intangible Assets Acquired

Amortization of intangible assets acquired is calculated using the straight-line method over the estimated useful lives of the assets.

 

     March 31,
2016
     December 31,
2015
 

Capitalized patent costs

   $ 6,894       $ 6,779   

Intangible assets acquired:

     

Purchased patents and intellectual property

     250         250   

Existing technology

     1,560         1,560   

Customer relationships

     290         290   

Backlog

     760         760   

Tradenames

     290         290   

Non-solicitation agreements

     120         120   
  

 

 

    

 

 

 

Gross intangible assets

     10,164         10,049   

Accumulated amortization

     (3,601      (3,436
  

 

 

    

 

 

 

Intangibles, net

   $ 6,563       $ 6,613