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

NOTE 7—GOODWILL AND INTANGIBLE ASSETS

 

(a) Goodwill

 

The changes in the carrying amounts of goodwill by segment from December 31, 2014 to March 31, 2015 were as follows:

 

    Energy & Security Sonar Solutions segment     GridSense segment     Total  
Balance at December 31, 2014   $ 518     $ 513     $ 1,031  
Translation adjustment     (12 )     —       (12 )
Balance at March 31, 2015   $ 506     $ 513     $ 1,019  

 

(b) Intangibles

 

The changes in the carrying amounts and accumulated amortization of intangible assets from December 31, 2014 to March 31, 2015 were as follows:

  

    Cost     Accumulated amortization     Total  
Balance as of December 31, 2014   $ 2,175     $ (964 )   $ 1,211  
Amortization     —       (47 )     (47 )
Cumulative translation adjustment     (74 )     37       (37 )
Balance as of March 31, 2015   $ 2,101     $ (974 )   $ 1,127  

 

The Company’s intangibles are in its GridSense segment and include software, customer relationships and trade name. The weighted average estimated useful life of the intangibles is 11.1 years. Amortization expense for the three months ended March 31, 2014 and 2015 amounted to $70 and $47, respectively. Amortization expense with respect to intangible assets is estimated to be $185 for each of the years ending March 31, 2016 through 2020.