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Note 6 - (Loss) Earnings per Share
 9 Months Ended
Sep. 30, 2019
Notes to Financial Statements  
Earnings Per Share [Text Block]
6
.
(
Loss
) Income
Per Share
 
Basic (loss) income 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 (loss) income 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 and
511,118
shares from stock options were excluded from diluted shares for the
nine
months ended
September 30, 2019
and
2018,
respectively.
 
The following is a reconciliation of the amounts used in calculating basic and diluted net (loss) income per common share:
 
                   
Per share
  
   
Net (loss) income
    
Shares
    
amount
  
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 three months ended September 30, 2018:
                        
Income available to common shareholders
   $
27,964
      
11,201,760
     $
-
  
Effect of dilutive stock options
    
-
      
391,423
      
-
  
Diluted net income per common share for the three months ended September 30, 2018
   $
27,964
      
11,593,183
     $
-
  
                         
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
 )
                         
Basic net loss per common share for the nine months ended Septembere 30, 2018:
                        
Loss available to common shareholders
   $
(11,194
 )    
11,201,760
     $
-
  
Effect of dilutive stock options
    
-
      
-
      
-
  
Diluted net loss per common share for the nine months ended September 30, 2018
   $
(11,194
 )    
11,201,760
     $
-