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Note H - Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2016
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
 
   
March 31,
 
   
2016
   
2015
 
   
(in thousands, except per share data)
 
                 
Net income
  $ 2,935     $ 5,369  
                 
Basic weighted average common shares outstanding
    7,121       7,425  
Dilutive effect of common stock equivalents
    24       42  
Diluted weighted average common shares outstanding
    7,145       7,467  
                 
Basic earnings per share
  $ 0.41     $ 0.72  
Diluted earnings per share
  $ 0.41     $ 0.72