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Note 14 - Change In Accounting Estimate (Tables)
6 Months Ended
Jun. 30, 2012
Schedule of Change in Accounting Estimate [Table Text Block]
   
(in thousands, except per share data)
 
   
Pre-tax Basis
   
Net of Tax
   
Per Share Effect
 
Three Months Ended
                 
June 30, 2012
  $ 568     $ 350     $ 0.03  
June 30, 2011
    402       248       0.02  
Six Months Ended
                       
June 30, 2012
  $ 1,141     $ 704     $ 0.07  
June 30, 2011
    402       248       0.02