v3.26.1
Note 5 - Product Warranties (Tables)
6 Months Ended
Apr. 30, 2026
Notes Tables  
Schedule of Product Warranty Liability [Table Text Block]
   

Six Months Ended

 
   

April 30,

 
   

2026

   

2025

 

Balance at beginning of period

  $ 100,000     $ 65,000  

Liabilities accrued for warranties issued during the period

    77,171       64,498  

Warranty claims and costs paid during the period

    (56,612 )     (31,941 )

Changes in liability for pre-existing warranties during the period

    (40,559 )     (32,557 )

Balance at end of period

  $ 80,000     $ 65,000