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Note 7 - Earnings (Loss) Per Share
 9 Months Ended
Sep. 30, 2020
Notes to Financial Statements  
Earnings Per Share [Text Block]
7
.
Earnings (
Loss
)
Per Share
 
Basic loss per share excludes dilution and is computed by dividing loss available to common shareholders by the weighted-average number of shares outstanding for the period. Diluted earnings (loss) per share reflects the potential dilution that could occur if securities or other contracts to issue common stock were exercised or converted into common stock, except for periods when the Company reports a net loss because the inclusion of such items would be antidilutive. The antidilutive effect of
121,422
shares from stock options were excluded from diluted shares for the
three
months ended
September 30, 2019,
and the antidilutive effect of
215,595
shares from stock options were excluded from diluted shares for the
nine
months ended
September 30, 2019.
 
The following is a reconciliation of the amounts used in calculating basic and diluted net income (loss) per common share:
 
   
Net income
            
Per share
  
   
(loss)
    
Shares
    
amount
  
Basic net income per common share for the three months ended September 30, 2020:
                        
Income available to common shareholders
   $
214,703
      
11,211,760
     $
0.02
  
Effect of dilutive stock options
    
-
      
625,667
      
-
  
Diluted net income per common share for the three months ended September 30, 2020
   $
214,703
      
11,837,427
     $
0.02
  
                         
Basic net loss per common share for the three months ended September 30, 2019:
                        
Loss available to common shareholders
   $
(179,224
 )    
11,211,760
     $
(0.02
 )
Effect of dilutive stock options
    
-
      
-
      
-
  
Diluted net loss per common share for the three months ended September 30, 2019
   $
(179,224
 )    
11,211,760
     $
(0.02
 )
                         
Basic net income per common share for the nine months ended September 30, 2020:
                        
Income available to common shareholders
   $
53,744
      
11,211,760
     $
-
  
Effect of dilutive stock options
    
-
      
598,632
      
-
  
Diluted net income per common share for the nine months ended September 30, 2020
   $
53,744
      
11,810,392
     $
-
  
                         
Basic net loss per common share for the nine months ended September 30, 2019:
                        
Loss available to common shareholders
   $
(578,679
 )    
11,207,145
     $
(0.05
 )
Effect of dilutive stock options
    
-
      
-
      
-
  
Diluted net loss per common share for the nine months ended September 30, 2019
   $
(578,679
 )    
11,207,145
     $
(0.05
 )