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Goodwill and Purchased Intangibles Assets
3 Months Ended
Jun. 30, 2016
Goodwill and Intangible Assets Disclosure [Abstract]  
Goodwill and Purchased Intangibles Assets
5. Goodwill and Purchased Intangibles Assets

There were no changes to the carrying amount of goodwill for the three months ended June 30, 2016.

Purchased intangible assets subject to amortization as of June 30, 2016 consist of the following (in thousands):

 

     Gross Carrying      Accumulated
Amortization
     Net Carrying
Amount
 

Developed technology

   $ 4,900       $ (1,539    $ 3,361   

Customer relationships

     100         (86    $ 14   

Other intangible assets

     300         (259    $ 41   
  

 

 

    

 

 

    

 

 

 
   $ 5,300       $ (1,884    $ 3,416   
  

 

 

    

 

 

    

 

 

 

 

Purchased intangible assets subject to amortization as of March 31, 2016 consist of the following (in thousands):

 

     Gross Carrying      Accumulated
Amortization
     Net Carrying
Amount
 

Developed technology

   $ 4,900       $ (1,339    $ 3,561   

Customer relationships

     100         (75      25   

Other intangible assets

     300         (225      75   
  

 

 

    

 

 

    

 

 

 
   $ 5,300       $ (1,639    $ 3,661   
  

 

 

    

 

 

    

 

 

 

Amortization expense of purchased intangible assets was $0.2 million and $0.3 million for the three months ended June 30, 2016 and 2015, respectively.

Estimated future amortization expense as of June 30, 2016 is as follows (in thousands):

 

2017 (remaining 9 months)

   $ 1,147   

2018

     1,580   

2019

     689   
  

 

 

 
   $ 3,416