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Note 8 - Segment Information - Sales by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2024	Jan. 31, 2023
Net sales	$ 13,458	$ 18,343
UNITED STATES
Net sales	12,060	16,104
CANADA
Net sales	882	584
ITALY
Net sales	31	1,098
MEXICO
Net sales	3	1
All Other Foreign Countries [Member]
Net sales	482	556
Non-US [Member]
Net sales	$ 1,398	$ 2,239

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Reference 3: http://www.xbrl.org/2003/role/disclosureRef
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