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Note 4 - Net Income (Loss) Per Share of Common Stock (Tables)
 6 Months Ended
May 31, 2017
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
 
 
For the three months ended
 
 
 
May 31, 2017
 
 
May 31, 2016
 
Numerator for basic and diluted (loss) earnings
per common share:
                
                 
Net (loss) income from continuing operations
   $
(508,907
 )   $
16,925
 
Net (loss) income from discontinued operations
    
(18,653
 )    
(73,496
 )
Net (loss) income
  $
(527,560
 )   $
(56,571
 )
                 
Denominator:
                
For basic (loss) earnings per share - weighted average common shares outstanding
    
4,158,969
      
4,101,810
  
Effect of dilutive stock options
    
-
     
-
 
For diluted (loss) earnings per share - weighted average common shares outstanding
    
4,158,969
      
4,101,810
  
                 
                 
Earnings (Loss) per share - Basic:
                
Continuing Operations
   $
(0.12
 )   $
0.00
 
Discontinued Operations
   $
(0.00
 )   $
(0.02
 )
Net Income (Loss) per share
   $
(0.12
 )   $
(0.02
 )
                 
Earnings (Loss) per share - Diluted:
                
Continuing Operations
   $
(0.12
 )   $
0.00
 
Discontinued Operations
   $
(0.00
 )   $
(0.02
 )
Net Income (Loss) per share
   $
(0.12
 )   $
(0.02
 )
 
 
For the six months ended
 
 
 
May 31, 2017
 
 
May 31, 2016
 
Numerator for basic and diluted (loss) earnings
per common share:
                
                 
Net (loss) income from continuing operations
   $
(762,547
 )   $
150,485
 
Net (loss) income from discontinued operations
    
(15,041
 )    
(126,084
 )
Net (loss) income
  $
(777,588
 )   $
24,401
 
                 
Denominator:
                
For basic (loss) earnings per share - weighted average common shares outstanding
    
4,142,672
      
4,088,073
  
Effect of dilutive stock options
    
-
     
-
 
For diluted (loss) earnings per share - weighted average common shares outstanding
    
4,142,672
      
4,088,073
  
                 
                 
Earnings (Loss) per share - Basic:
                
Continuing Operations
   $
(0.18
 )   $
0.04
 
Discontinued Operations
   $
(0.00
 )   $
(0.03
 )
Net Income (Loss) per share
   $
(0.18
 )   $
0.01
 
                 
Earnings (Loss) per share - Diluted:
                
Continuing Operations
   $
(0.18
 )   $
0.04
 
Discontinued Operations
   $
(0.00
 )   $
(0.03
 )
Net Income (Loss) per share
   $
(0.18
 )   $
0.01