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Note 9 - Segment Information - Sales by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022
Net sales	$ 18,343	$ 16,918
UNITED STATES
Net sales	16,104	16,418
CANADA
Net sales	584	297
ITALY
Net sales	1,098	0
MEXICO
Net sales	1	25
All Other Foreign Countries [Member]
Net sales	556	178
Non-US [Member]
Net sales	$ 2,239	$ 500

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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