Note 11 - Revenue Recognition - Schedule of Revenue from External Customers by Geographical Areas (Details) - USD ($)	3 Months Ended	6 Months Ended
Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023
Net sales	$ 16,112,098	$ 19,619,536	$ 30,966,863	$ 37,903,211
UNITED STATES
Net sales	13,024,311	15,829,216	24,993,866	30,407,301
Non-US [Member]
Net sales	$ 3,087,787	$ 3,790,320	$ 5,972,997	$ 7,495,910

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