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Note 5 - Product Warranties (Tables)
3 Months Ended
Apr. 30, 2024
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   

Six Months Ended

 
   

April 30, 2024

 
   

2024

   

2023

 

Balance at beginning of period

  $ 80,000     $ 75,000  

Liabilities accrued for warranties issued during the period

    65,766       59,149  

Warranty claims and costs paid during the period

    (49,266 )     (39,652 )

Changes in liability for pre-existing warranties during the period

    (21,500 )     (29,497 )

Balance at end of period

  $ 75,000     $ 65,000