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Note 5 - Goodwill and Intangible Assets
6 Months Ended
Jul. 01, 2012
Goodwill and Intangible Assets Disclosure [Text Block]
5.  
GOODWILL AND INTANGIBLE ASSETS

a. Goodwill

The following table summarizes the goodwill activity by segment for the six-month periods ended July 1, 2012 and July 3, 2011:

   
Battery &
   
Communications
   
Discontinued
       
   
Energy Products
   
Systems
   
Operations
   
Total
 
                         
Balance at December 31, 2010
  $ 4,758     $ 11,493     $ 2,025     $ 18,276  
                                 
Effect of foreign currency translations
    42       -       -       42  
                                 
Balance at July 3, 2011
    4,800       11,493       2,025       18,318  
                                 
Effect of foreign currency translations
    38       -       -       38  
                                 
Balance at December 31, 2011
    4,838       11,493       2,025       18,356  
                                 
Effect of foreign currency translations
    23       -       -       23  
                                 
Balance at July 1, 2012
  $ 4,861     $ 11,493     $ 2,025     $ 18,379  

b. Intangible Assets

The composition of intangible assets was:

   
July 1, 2012
 
         
Accumulated
       
   
Gross Assets
   
Amortization
   
Net
 
                   
Trademarks
  $ 3,564     $ -     $ 3,564  
Patents and technology
    4,497       3,574       923  
Customer relationships
    4,003       3,260       743  
Distributor relationships
    382       322       60  
Non-compete agreements
    397       397       -  
                         
Total intangible assets
  $ 12,843     $ 7,553     $ 5,290  

   
December 31, 2011
 
         
Accumulated
       
   
Gross Assets
   
Amortization
   
Net
 
                   
Trademarks
  $ 3,563     $ -     $ 3,563  
Patents and technology
    4,492       3,440       1,052  
Customer relationships
    3,993       3,143       850  
Distributor relationships
    378       310       68  
Non-compete agreements
    396       396       -  
                         
Total intangible assets
  $ 12,822     $ 7,289     $ 5,533  

Amortization expense for intangible assets was $125 and $250 for the three- and six-month periods ended July 1, 2012, respectively, and $157 and $314 for the three- and six-month periods ended July 3, 2011, respectively.

The change in the cost value of total intangible assets from December 31, 2011 to July 1, 2012 is a result of the effect of foreign currency translations.