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Note 5 - Net Income (Loss) Per Share of Common Stock
6 Months Ended
May 31, 2021
Notes to Financial Statements  
Earnings Per Share [Text Block]
 
5
)
Net Income (Loss) Per Share of Common Stock
 
Basic net income (loss) per share of common stock 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 net income (loss) per share.
 
Basic and diluted net income (loss) per share have been computed based on the following as of
May 31, 2021,
and
May 31, 2020:
 
   
For the Three Months Ended
 
   
May 31, 2021
   
May 31, 2020
 
Numerator for basic and diluted net income (loss) per share:
               
                 
Net income (loss)
  $
64,090
    $
(801,720
)
                 
Denominator:
               
For basic net income (loss) per share - weighted average common shares outstanding
   
4,522,514
     
4,401,754
 
Effect of dilutive stock options
   
-
     
-
 
For diluted net income (loss) per share - weighted average common shares outstanding
   
4,522,514
     
4,401,754
 
                 
                 
Net Income (Loss) per share - Basic:
               
Net Income (Loss) per share
  $
0.01
    $
(0.18
)
                 
Net Income (Loss) per share - Diluted:
               
Net Income (Loss) per share
  $
0.01
    $
(0.18
)
 
   
For the Six Months Ended
 
   
May 31, 2021
   
May 31, 2020
 
Numerator for basic and diluted net income (loss) per share:
               
                 
Net income (loss)
  $
(251,148
)   $
(1,238,913
)
                 
Denominator:
               
For basic net income (loss) per share - weighted average common shares outstanding
   
4,498,687
     
4,358,982
 
Effect of dilutive stock options
   
-
     
-
 
For diluted net income (loss) per share - weighted average common shares outstanding
   
4,498,687
     
4,358,982
 
                 
                 
Net Income (Loss) per share - Basic:
               
Net Income (Loss) per share
  $
(0.06
)   $
(0.28
)
                 
Net Income (Loss) per share - Diluted:
               
Net Income (Loss) per share
  $
(0.06
)   $
(0.28
)