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Goodwill and Other Intangible Assets
3 Months Ended
Apr. 30, 2013
Goodwill and Other Intangible Assets [Abstract]  
Goodwill and Other Intangible Assets
5. Goodwill and Other Intangible Assets

 

                                                         
    Weighted
Average
Remaining
Life at
4/30/2013
    April 30, 2013     January 31, 2013  
    Gross
Carrying
Amount
    Accumulated
Amortization
    Net
Carrying
Amount
    Gross
Carrying
Amount
    Accumulated
Amortization
    Net
Carrying
Amount
 
          (in thousands)     (in thousands)  

Goodwill

          $ 4,320                     $ 4,320                  
           

 

 

                   

 

 

                 

Proprietary rights

    7.2     $ 3,481     $ (1,657   $ 1,824     $ 3,503     $ (1,625     1,878  

Customer relationships

    4.8       2,383       (943     1,440       2,402       (876     1,526  

Patents

    4.8       718       (284     434       724       (264     460  

Trade name

    4.8       196       (79     117       197       (72     125  
           

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

Amortizable intangible assets

          $ 6,778     $ (2,963   $ 3,815     $ 6,826     $ (2,837   $ 3,989  
           

 

 

   

 

 

   

 

 

   

 

 

   

 

 

   

 

 

 

As of April 30, 2013, the Company had goodwill of $4,320,000, all of which was allocated to the Seamap segment. No impairment was recorded against the goodwill account.

Amortizable intangible assets are amortized over their estimated useful lives of eight to 15 years using the straight-line method. Aggregate amortization expense was $165,000 and $169,000 for the three months ended April 30, 2013 and 2012, respectively. As of April 30, 2013, future estimated amortization expense related to amortizable intangible assets was estimated to be:

 

         

For fiscal years ending January 31 (in thousands):

       

2014

  $ 499  

2015

    665  

2016

    665  

2017

    665  

2018

    665  

2019 and thereafter

    656  
   

 

 

 

Total

  $ 3,815