Note 8 - Segment Information - Net Sales, Income Before Provision for Income Taxes and Other Related Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Apr. 30, 2024	Apr. 30, 2023	Apr. 30, 2024	Apr. 30, 2023	Oct. 31, 2023
Net sales	$ 16,110	$ 22,298	$ 29,568	$ 40,642
Income (loss) before benefit for income taxes	(645)	417	(2,838)	(905)
Depreciation and amortization	633	623	1,266	1,165
Total assets	72,823	84,119	72,823	84,119	$ 82,278
Operating Segments [Member] | RF Connector and Cable Assembly [Member]
Net sales	9,902	12,625	18,709	24,346
Income (loss) before benefit for income taxes	(660)	249	(2,388)	365
Depreciation and amortization	572	496	1,085	911
Total assets	51,007	54,050	51,007	54,050
Operating Segments [Member] | Custom Cabling Manufacturing and Assembly [Member]
Net sales	6,208	9,673	10,859	16,296
Income (loss) before benefit for income taxes	350	257	89	(534)
Depreciation and amortization	61	127	181	253
Total assets	17,746	21,101	17,746	21,101
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Net sales	0	0	0	0
Income (loss) before benefit for income taxes	(336)	(89)	(539)	(736)
Depreciation and amortization	0	0	0	0
Total assets	$ 4,070	$ 8,968	$ 4,070	$ 8,968