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Note 5 - Acquisition-Related Items
12 Months Ended
Dec. 31, 2011
Business Combination Disclosure Acquisition Related Items [Text Block]
5.
Acquisition-related items

Acquisition-related expense (income) is comprised of the following:

 
 
2011
   
2010
   
2009
 
 
 
 
   
 
   
 
 
Settlement of acquisition-related liability
  $ -     $ (4,496 )   $ -  
Contingent consideration compensation expense
    2,819       1,532       -  
Contingent consideration fair value adjustments
    969       935       -  
Transaction costs
    861       1,158       -  
 
  $ 4,649     $ (871 )   $ -  

The settlement of the acquisition-related liability was related to a potential sales tax liability of an acquired entity over which the statute of limitations lapsed during the year ended December 31, 2010.