Note 6 - Segment Information - Sales by Geographic Area (Details) - USD ($) $ in Thousands	12 Months Ended
Oct. 31, 2024	Oct. 31, 2023	Oct. 31, 2022
Net sales	$ 64,857	$ 72,168	$ 72,168
UNITED STATES
Net sales	58,843	65,781
CANADA
Net sales	3,825	2,183
ITALY
Net sales	248	1,802
CHINA
Net sales	531	310
UNITED KINGDOM
Net sales	523	393
All Other Foreign Countries [Member]
Net sales	887	1,699
Non-US [Member]
Net sales	$ 6,014	$ 6,387

Amount, including tax collected from customer, of revenue from satisfaction of performance obligation by transferring promised good or service to customer. Tax collected from customer is tax assessed by governmental authority that is both imposed on and concurrent with specific revenue-producing transaction, including, but not limited to, sales, use, value-added and excise.

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+ Details