XML 40 R29.htm IDEA: XBRL DOCUMENT v3.25.0.1
Note 5 - Product Warranties (Details Textual) - USD ($)
3 Months Ended
Jan. 31, 2025
Jan. 31, 2024
Oct. 31, 2024
Oct. 31, 2023
Standard and Extended Product Warranty Accrual $ 65,000 $ 75,000 $ 65,000 $ 80,000
Product Warranty Expense 9,627 $ 12,764    
Accounts Payable and Accrued Liabilities [Member]        
Standard and Extended Product Warranty Accrual $ 65,000   $ 65,000