Note 9 - Segment Information - Net Sales, Income Before Provision for Income Taxes and Other Related Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Jul. 31, 2023	Jul. 31, 2022	Jul. 31, 2023	Jul. 31, 2022	Oct. 31, 2022
Net sales	$ 15,652	$ 23,842	$ 56,294	$ 62,265
Income (loss) before benefit for income taxes	(2,127)	911	(3,032)	1,193
Depreciation and amortization	631	537	1,795	1,155
Total assets	78,056	87,195	78,056	87,195	$ 89,566
Operating Segments [Member] | RF Connector and Cable Assembly [Member]
Net sales	7,799	10,495	25,507	21,928
Income (loss) before benefit for income taxes	(1,103)	988	(1,162)	1,621
Depreciation and amortization	488	390	1,359	720
Total assets	49,175	48,351	49,175	48,351
Operating Segments [Member] | Custom Cabling Manufacturing and Assembly [Member]
Net sales	7,853	13,347	30,787	40,337
Income (loss) before benefit for income taxes	(713)	600	(823)	1,721
Depreciation and amortization	143	147	436	435
Total assets	20,528	26,553	20,528	26,553
Corporate, Non-Segment [Member]
Net sales	0	0	0	0
Income (loss) before benefit for income taxes	(311)	(677)	(1,047)	(2,149)
Depreciation and amortization	0	0	0	0
Total assets	$ 8,353	$ 12,291	$ 8,353	$ 12,291