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Note H - Earnings Per Share (Tables)
3 Months Ended
Mar. 31, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
 
   
March 31,
 
   
2017
   
2016
 
   
(in thousands, except per share data)
 
                 
Net income
  $
2,283
    $
2,935
 
                 
Basic weighted average common shares outstanding
   
6,399
     
7,121
 
Dilutive effect of common stock equivalents
   
26
     
24
 
Diluted weighted average common shares outstanding
   
6,425
     
7,145
 
                 
Basic earnings per share
  $
0.36
    $
0.41
 
Diluted earnings per share
  $
0.36
    $
0.41