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Note 8 - Segment Information - Sales by Geographic Area (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2024	Jul. 31, 2023	Jul. 31, 2024	Jul. 31, 2023
Net sales	$ 16,836	$ 15,652	$ 46,404	$ 56,294
UNITED STATES
Net sales	15,473	13,955	41,948	50,967
CANADA
Net sales	765	703	2,595	1,875
ITALY
Net sales	85	300	270	1,692
MEXICO
Net sales	0	0	3	3
All Other Foreign Countries [Member]
Net sales	513	694	1,588	1,757
Non-US [Member]
Net sales	$ 1,363	$ 1,697	$ 4,456	$ 5,327

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