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Note 2 - Earnings Per Share
9 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
Earnings Per Share [Text Block]
Note
2.
Earnings Per Share
 
There are
no
convertible securities which would affect the numerator in calculating basic and diluted earnings per share; therefore, net income as presented on the Consolidated Statement of Income is used as the numerator.
 
The following table sets forth the composition of the weighted-average common shares (denominator) used in the basic and diluted earnings per share computation.
 
    Three Months Ended
September 30,
  Nine Months Ended
September 30,
    2017   2016   2017   2016
Weighted-Average Common Shares Outstanding    
4,363,346
     
4,363,346
     
4,363,346
     
4,363,346
 
Average Treasury Stock Shares    
(275,321
)    
(282,329
)    
(275,563
)    
(282,329
)
Weighted-Average Common Shares and Common Stock Equivalents Used to Calculate Basic Earnings Per Share    
4,088,025
     
4,081,017
     
4,087,783
     
4,081,017
 
Additional Common Stock Equivalents (Stock Options and Restricted Stock) Used to Calculate Diluted Earnings Per Share    
20,698
     
6,320
     
16,374
     
3,713
 
Weighted-Average Common Shares and Common Stock Equivalents Used to Calculate Diluted Earnings Per Share    
4,108,723
     
4,087,337
     
4,104,157
     
4,084,730
 
Earnings per share:                                
Basic   $
0.50
    $
0.38
    $
1.36
    $
1.36
 
Diluted    
0.50
     
0.38
     
1.36
     
1.36