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Note 6 - Income Per Common Share
9 Months Ended
Sep. 30, 2017
Notes to Financial Statements  
Earnings Per Share [Text Block]
Note
6:
Income Per Common Share
 
   
For three months ended September 30, 2017
   
For nine months ended September 30, 2017
 
   
Income
Available to Common Shareholders
   
Average
Common
Shares
Outstanding
   
Per
Common
Share
   
Income
Available to Common Shareholders
   
Average
Common
Shares
Outstanding
   
Per
Common
Share
 
Basic Income Per Common Share
  $
1,717,383
     
4,374,725
    $
0.39
    $
4,739,197
     
4,370,877
    $
1.08
 
Effect of Dilutive Securities
   
 
     
72,841
     
 
     
 
     
64,815
     
 
 
Diluted Income Per Common Share
  $
1,717,383
     
4,447,566
    $
0.39
    $
4,739,197
     
4,435,692
    $
1.07
 
 
   
For three months ended September 30, 2016
   
For nine months ended September 30, 2016
 
   
Income
Available to Common Shareholders
   
Average
Common
Shares
Outstanding
   
Per
Common
Share
   
Income
Available to Common Shareholders
   
Average
Common
Shares
Outstanding
   
Per
Common
Share
 
Basic Income Per Common Share
  $
1,541,907
     
4,370,700
    $
0.35
    $
4,074,664
     
4,365,835
    $
0.93
 
Effect of Dilutive Securities
   
 
     
56,853
     
 
     
 
     
53,553
     
 
 
Diluted Income Per Common Share
  $
1,541,907
     
4,427,553
    $
0.35
    $
4,074,664
     
4,419,388
    $
0.92
 
 
Stock options to purchase
32,500
shares of common stock were outstanding during the
three
and
nine
months ended
September 30, 2017
and stock options to purchase
73,500
shares of common stock were outstanding during the
three
and
nine
months ended
September 30, 2016
but were
not
included in the computation of diluted income per common share because their exercise price was greater than the average market price of the common shares.