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Intangible Assets from Acquisitions
3 Months Ended
Mar. 31, 2014
Intangible Assets from Acquisitions

(11) Intangible Assets from Acquisitions

Intangible assets from acquisitions consisted of the following (in thousands):

 

     As of December 31, 2013  
     Gross
Carrying Amount
     Accumulated
Amortization(1)
    Net  

Distribution partner relationship

   $ 4,830       $ (4,396   $ 434   
  

 

 

    

 

 

   

 

 

 

 

     As of March 31, 2014  
     Gross
Carrying Amount
     Accumulated
Amortization(1)
    Net  

Distribution partner relationship

   $ 4,830       $ (4,799   $ 31   
  

 

 

    

 

 

   

 

 

 

 

(1) Excludes the original cost and accumulated amortization of fully-amortized intangible assets which were $87.7 million and $87.6 million at December 31, 2013 and March 31, 2014, respectively.

Amortizable intangible assets are amortized on a straight-line basis over their useful lives. Amortization expense incurred by the Company was approximately $1.1 million and $403,000 for the three months ended March 31, 2013 and 2014, respectively. Based upon the current amount of intangible assets subject to amortization, the estimated amortization expense for the next five years is as follows: $31,000 for the remainder of 2014, and $0 thereafter.