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Note 4 - Net Income (Loss) Per Share of Common Stock (Tables)
 3 Months Ended
Feb. 28, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
For the three months ended
 
 
 
February 28, 2017
 
 
February 29, 2016
 
Numerator for basic and diluted (loss) earnings per common share:
                
                 
Net (loss) income from continuing operations
   $
(253,642
 )   $
133,549
 
Net (loss) income from discontinued operations
    
3,613
     
(52,587
 )
Net (loss) income
  $
(250,029
 )   $
80,962
 
                 
Denominator:
                
For basic (loss) earnings per share - weighted average common shares outstanding
    
4,126,012
      
4,074,338
  
Effect of dilutive stock options
    
-
     
-
 
For diluted (loss) earnings per share - weighted average common shares outstanding
    
4,126,012
      
4,074,338
  
                 
Earnings (Loss) per share - Basic:
                
Continuing Operations
   $
(0.06
 )   $
0.03
 
Discontinued Operations
   $
0.00
    $
(0.01
 )
Net Income (Loss) per share
   $
(0.06
 )   $
0.02
 
                 
Earnings (Loss) per share - Diluted:
                
Continuing Operations
   $
(0.06
 )   $
0.03
 
Discontinued Operations
   $
0.00
    $
(0.01
 )
Net Income (Loss) per share
   $
(0.06
 )   $
0.02