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Note H - Earnings Per Share (Tables)
9 Months Ended
Sep. 30, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   
Three Months Ended
   
Nine
Months Ended
 
   
September
30,
   
September
30,
 
   
201
7
   
201
6
   
201
7
   
201
6
 
   
(in thousands, except per share data)
 
Net income
  $
3,446
    $
3,451
    $
7,338
    $
10,378
 
                                 
Basic weighted average common shares outstanding
   
6,326
     
6,439
     
6,368
     
6,703
 
Dilutive effect of common stock equivalents
   
47
     
19
     
45
     
22
 
Diluted weighted average common shares outstanding
   
6,373
     
6,458
     
6,413
     
6,725
 
                                 
Basic earnings per share
  $
0.54
    $
0.54
    $
1.15
    $
1.55
 
Diluted earnings per share
  $
0.54
    $
0.53
    $
1.14
    $
1.54