Note 1 - Business Activities and Summary of Significant Accounting Policies - Basic and Diluted Earnings Per Share (Details) - USD ($)	12 Months Ended
	Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Consolidated net loss	$ (6,599,000)	$ (3,078,000)	$ (3,078,000)
Basic (in shares)	10,481,835	10,283,449	10,283,449
Add effects of potentially dilutive securities - assumed exercise of stock options (in shares)	0	0
Weighted average shares outstanding for diluted earnings per share (C) (in shares)	10,481,835	10,283,449	10,283,449
Basic (in dollars per share)	$ (0.63)	$ (0.3)	$ (0.3)
Diluted (in dollars per share)	$ (0.63)	$ (0.3)	$ (0.3)