Note 11 - Revenue Recognition - Schedule of Revenue from External Customers by Geographical Areas (Details) - USD ($)	3 Months Ended	9 Months Ended
Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Net sales	$ 16,221,671	$ 16,941,378	$ 47,188,534	$ 54,844,589
UNITED STATES
Net sales	13,077,203	14,220,273	38,071,069	44,627,575
Non-US [Member]
Net sales	$ 3,144,468	$ 2,721,105	$ 9,117,465	$ 10,217,014

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