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Note 4. GOODWILL AND INTANGIBLE ASSETS
12 Months Ended
Dec. 31, 2011
Goodwill and Intangible Assets Disclosure [Text Block]
Note 4.    GOODWILL AND INTANGIBLE ASSETS

Goodwill and other intangible assets are reviewed for impairment at least annually and if a triggering event were to occur in an interim period.  The Company performed its annual goodwill impairment test at the end of the fourth quarters of fiscal 2011 and 2010 which resulted in no indication of impairment.  Following is detailed information regarding the Company's intangible assets (amounts in thousands):

   
December 31,
   
December 31,
 
   
2011
   
2010
 
   
Gross
   
Accumulated
   
Net Carrying
   
Gross
   
Accumulated
   
Net Carrying
 
   
Amount
   
Amortization
   
Amount
   
Amount
   
Amortization
   
Amount
 
Patents
  $ 1,327     $ (1,131 )   $ 196     $ 1,245     $ (1,041 )   $ 204  
Customer lists
    9,391       (8,404 )     987       9,391       (8,258 )     1,133  
Tradenames
    4,099       (2,804 )     1,295       4,099       (2,604 )     1,495  
Total
  $ 14,817     $ (12,339 )   $ 2,478     $ 14,735     $ (11,903 )   $ 2,832  

The Company recorded amortization expense on intangible assets from continuing operations of $0.4 million for both years ended December 31, 2011 and 2010.  Estimated aggregate future amortization expense related to intangible assets is as follows (amounts in thousands):

2012
  $ 420  
2013
    399  
2014
    382  
2015
    368  
2016
    354  
Thereafter
    555  
    $ 2,478