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Note 16 - Discontinued Operations (Tables)
12 Months Ended
Dec. 31, 2012
Schedule of Disposal Groups, Including Discontinued Operations, Income Statement, Balance Sheet and Additional Disclosures [Table Text Block]
   
Year Ended December 31,
 
   
2012
   
2011
   
2010
 
                   
Net Sales
  $     $     $ 25,819  
                         
Earnings before income taxes:
                       
Results of operations from discontinued operations before income taxes
                917  
Gain on disposition
                    10,091  
Income tax (expense)
                (4,293 )
Net income from discontinued operations
  $     $     $ 6,715  
                         
Basic earnings per common share from discontinued operations, net of tax
  $     $     $ 0.18  
Diluted earnings per common share and common share equivalents from discontinued operations, net of tax
  $     $     $ 0.18