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Note 5 - Net Income (Loss) Per Share of Common Stock (Tables)
6 Months Ended
May 31, 2022
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

For the Three Months Ended

 
   

May 31, 2022

   

May 31, 2021

 

Numerator for basic and diluted net income (loss) per share:

               
                 

Net income (loss)

  $ 175,353     $ 64,090  
                 

Denominator:

               

For basic net income (loss) per share - weighted average common shares outstanding

    4,629,331       4,522,514  

Effect of dilutive stock options

    -       -  

For diluted net income (loss) per share - weighted average common shares outstanding

    4,629,331       4,522,514  
                 
                 

Net Income (Loss) per share - Basic:

               

Net Income (Loss) per share

  $ 0.04     $ 0.01  
                 

Net Income (Loss) per share - Diluted:

               

Net Income (Loss) per share

  $ 0.04     $ 0.01  
   

For the Six Months Ended

 
   

May 31, 2022

   

May 31, 2021

 

Numerator for basic and diluted net income (loss) per share:

               
                 

Net income (loss)

  $ (231,136 )   $ (251,148 )
                 

Denominator:

               

For basic net income (loss) per share - weighted average common shares outstanding

    4,599,743       4,498,687  

Effect of dilutive stock options

    -       -  

For diluted net income (loss) per share - weighted average common shares outstanding

    4,599,743       4,498,687  
                 
                 

Net Income (Loss) per share - Basic:

               

Net Income (Loss) per share

  $ (0.05 )   $ (0.06 )
                 

Net Income (Loss) per share - Diluted:

               

Net Income (Loss) per share

  $ (0.05 )   $ (0.06 )