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Note 11 - Revenue Recognition - Schedule of Revenue from External Customers by Geographical Areas (Details) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2025	Apr. 30, 2024	Apr. 30, 2025	Apr. 30, 2024
Net sales	$ 17,549,748	$ 16,112,098	$ 33,292,365	$ 30,966,863
UNITED STATES
Net sales	13,625,767	13,024,311	25,870,014	24,993,866
Non-US [Member]
Net sales	$ 3,923,981	$ 3,087,787	$ 7,422,351	$ 5,972,997

X

- Definition

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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