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Note 8 - Segment Information - Sales by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2026	Jan. 31, 2025
Net sales	$ 18,969	$ 19,200
UNITED STATES
Net sales	17,520	18,058
CANADA
Net sales	772	636
GERMANY
Net sales	164	60
NETHERLANDS
Net sales	155	32
UNITED KINGDOM
Net sales	116	36
All Other Foreign Countries [Member]
Net sales	242	378
Non-US [Member]
Net sales	$ 1,449	$ 1,142

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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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