Note 11 - Revenue Recognition - Revenue Attributed to United States and All Other Countries (Details) - USD ($)	3 Months Ended	12 Months Ended
Jan. 31, 2023	Jan. 31, 2022	Oct. 31, 2022
Net sales	$ 18,283,675	$ 14,440,295	$ 14,440,295
UNITED STATES
Net sales	14,578,085		12,144,379
Non-US [Member]
Net sales	$ 3,705,590		$ 2,295,916

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