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Note 9 - Segment Information - Sales by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2022	Jul. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Net sales	$ 23,842	$ 15,257	$ 62,265	$ 36,316
UNITED STATES
Net sales	19,925	14,624	56,292	34,341
CANADA
Net sales	2,218	499	3,179	1,591
MEXICO
Net sales	29	51	106	77
All Other Foreign Countries [Member]
Net sales	1,670	83	2,688	307
Non-US [Member]
Net sales	$ 3,917	$ 633	$ 5,973	$ 1,975

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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