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Note 4 - Net Income (Loss) Per Share of Common Stock
 9 Months Ended
Aug. 31, 2017
Notes to Financial Statements  
Earnings Per Share [Text Block]
4
)
Net Income
(Loss)
Per Share of Common Stock
 
Basic net income
(loss) per common share has been computed on the basis of the weighted average number of common shares outstanding. Diluted net income (loss) per share has been computed on the basis of the weighted average number of common shares outstanding plus equivalent shares assuming exercise of stock options. Potential shares of common stock that have an anti-dilutive effect (i.e., those that increase income per share or decrease loss per share) are excluded from the calculation of diluted earnings (loss) per common share
.
 
Basic and diluted earnings
(loss) per common share have been computed based on the following as of
August 31, 2017
and
August 31, 2016:
 
   
For the three months ended
  
   
August 31, 2017
    
August 31, 2016
  
Numerator for basic and diluted (loss) earnings per common share:
                
                 
Net (loss) income from continuing operations
   $
41,648
     $
(149,676
 )
Net (loss) income from discontinued operations
    
(18,441
 )    
(138,603
 )
Net (loss) income
   $
23,207
     $
(288,279
 )
                 
Denominator:
                
For basic (loss) earnings per share - weighted average common shares outstanding
    
4,161,421
      
4,105,704
  
Effect of dilutive stock options
    
-
      
-
  
For diluted (loss) earnings per share - weighted average common shares outstanding
    
4,161,421
      
4,105,704
  
                 
                 
Earnings (Loss) per share - Basic:
                
Continuing Operations
   $
0.01
     $
(0.04
 )
Discontinued Operations
   $
-
     $
(0.03
 )
Net Income (Loss) per share
   $
0.01
     $
(0.07
 )
                 
Earnings (Loss) per share - Diluted:
                
Continuing Operations
   $
0.01
     $
(0.04
 )
Discontinued Operations
   $
-
     $
(0.03
 )
Net Income (Loss) per share
   $
0.01
     $
(0.07
 )
 
   
For the nine months ended
  
   
August 31, 2017
    
August 31, 2016
  
Numerator for basic and diluted (loss) earnings per common share:
                
                 
Net (loss) income from continuing operations
   $
(720,900
 )   $
807
  
Net (loss) income from discontinued operations
    
(33,482
 )    
(264,685
 )
Net (loss) income
   $
(754,382
 )   $
(263,878
 )
                 
Denominator:
                
For basic (loss) earnings per share - weighted average common shares outstanding
    
4,148,966
      
4,093,993
  
Effect of dilutive stock options
    
-
      
-
  
For diluted (loss) earnings per share - weighted average common shares outstanding
    
4,148,966
      
4,093,993
  
                 
                 
Earnings (Loss) per share - Basic:
                
Continuing Operations
   $
(0.17
 )   $
0.00
  
Discontinued Operations
   $
(0.01
 )   $
(0.06
 )
Net Income (Loss) per share
   $
(0.18
 )   $
(0.06
 )
                 
Earnings (Loss) per share - Diluted:
                
Continuing Operations
   $
(0.17
 )   $
0.00
  
Discontinued Operations
   $
(0.01
 )   $
(0.06
 )
Net Income (Loss) per share
   $
(0.18
 )   $
(0.06
 )