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Note 3 - Allowance for Credit Losses for Trade Accounts Receivable (Tables)
9 Months Ended
Jul. 31, 2024
Notes Tables  
Accounts Receivable, Allowance for Credit Loss [Table Text Block]
   

Nine Months Ended

 
   

July 31,

 
   

2024

   

2023

 

Balance at beginning of period

  $ 71,189     $ 69,643  

Bad debt expense (recovery)

    (447 )     7,767  

Balance at end of period

  $ 70,742     $ 77,410