Note 9 - 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, 2023	Apr. 30, 2022	Apr. 30, 2023	Apr. 30, 2022	Oct. 31, 2022
Net sales	$ 22,298	$ 21,505	$ 40,642	$ 38,423
Income (loss) before benefit for income taxes	417	639	(905)	282
Depreciation and amortization	623	438	1,165	618
Total assets	84,119	69,647	84,119	69,647	$ 89,566
Operating Segments [Member] | RF Connector and Cable Assembly [Member]
Net sales	8,650	7,510	17,708	11,433
Income (loss) before benefit for income taxes	(306)	577	(60)	633
Depreciation and amortization	477	293	872	330
Total assets	50,314	34,398	50,314	34,398
Operating Segments [Member] | Custom Cabling Manufacturing and Assembly [Member]
Net sales	13,648	13,995	22,934	26,990
Income (loss) before benefit for income taxes	812	807	(109)	1,121
Depreciation and amortization	146	145	293	288
Total assets	24,837	26,812	24,837	26,812
Corporate, Non-Segment [Member]
Net sales	0	0	0	0
Income (loss) before benefit for income taxes	(89)	(745)	(736)	(1,472)
Depreciation and amortization	0	0	0	0
Total assets	$ 8,968	$ 8,437	$ 8,968	$ 8,437