Note 5 - Product Warranties (Tables)

3 Months Ended

Jan. 31, 2024

Notes Tables

Schedule of Product Warranty Liability [Table Text Block]

	Three Months Ended
	January 31,
	2024			2023
Balance at beginning of period	$	80,000		$	75,000
Liabilities accrued for warranties issued during the period		42,272			55,430
Warranty claims and costs paid during the period		(10,188	)		(26,574	)
Changes in liability for pre-existing warranties during the period		(37,084	)		(38,856	)
Balance at end of period	$	75,000		$	65,000