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Note 14 - Change In Accounting Estimate (Tables)
9 Months Ended
Sep. 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
                 
September 30, 2012
  $ 561     $ 346     $ 0.03  
September 30, 2011
    606       374       0.04  
Nine Months Ended
                       
September 30, 2012
  $ 1,703     $ 1,050     $ 0.10  
September 30, 2011
    1,011       623       0.06