Note 7 - Income Tax Provision (Benefit) - Schedule of Unrecognized Tax Benefits (Details) - USD ($)	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023
Balance, at beginning of year	$ 178,000	$ 121,000
Increase for tax positions related to the current year	47,000	78,000
Increase for tax positions related to prior years	(10,000)	2,000
Statute of limitations expirations	(29,000)	(23,000)
Balance, at end of year	$ 186,000	$ 178,000