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Note 9 - Income Per Common Share
6 Months Ended
Jun. 30, 2018
Notes to Financial Statements  
Earnings Per Share [Text Block]
Note
9:
Income Per Common Share
 
   
For three months ended June 30, 2018
   
For six months ended June 30, 2018
 
   
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
  $
(342,984
)    
4,404,029
    $
(0.08
)   $
1,012,761
     
4,397,907
    $
0.23
 
Effect of Dilutive Securities
   
 
     
N/A
     
 
     
 
     
71,513
     
 
 
Diluted Income Per Common Share
  $
(342,984
)    
4,404,029
    $
(0.08
)   $
1,012,761
     
4,469,420
    $
0.23
 
 
   
For three months ended June 30, 2017
   
For six months ended June 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
  $
1,592,573
     
4,374,725
    $
0.36
    $
3,021,814
     
4,368,921
    $
0.69
 
Effect of Dilutive Securities
   
 
     
51,686
     
 
     
 
     
54,439
     
 
 
Diluted Income Per Common Share
  $
1,592,573
     
4,426,411
    $
0.36
    $
3,021,814
     
4,423,360
    $
0.68
 
 
Stock options to purchase
58,500
shares of common stock were outstanding during the
three
and
six
months ended
June 30, 2017
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.