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Note 6 - Loss Per Share (Tables)
 3 Months Ended
Jan. 31, 2024
Notes Tables  
Schedule of Earnings Per Share, Basic and Diluted [Table Text Block]
   

Three Months Ended January 31,

  
   

2024

    

2023

  
                 

Weighted average shares outstanding for basic earnings per share

     10,410,580       10,222,540  
                 

Add effects of potentially dilutive securities-assumed exercise of stock options

     -       -  
                 

Weighted average shares outstanding for diluted earnings per share

     10,410,580       10,222,540