Note 9 - Segment Information - Net Sales, Income Before Provision for Income Taxes and Other Related Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2023	Jan. 31, 2022	Oct. 31, 2022
Net sales	$ 18,343	$ 16,918
Income (loss) before benefit for income taxes	(1,322)	(357)
Depreciation and amortization	541	180
Total assets	85,140	49,736	$ 89,566
Operating Segments [Member] | RF Connector and Cable Assembly [Member]
Net sales	9,057	3,923
Income (loss) before benefit for income taxes	246	56
Depreciation and amortization	394	37
Total assets	50,973	7,572
Operating Segments [Member] | Custom Cabling Manufacturing and Assembly [Member]
Net sales	9,286	12,995
Income (loss) before benefit for income taxes	(921)	314
Depreciation and amortization	147	143
Total assets	24,966	24,635
Corporate, Non-Segment [Member]
Net sales	0	0
Income (loss) before benefit for income taxes	(647)	(727)
Depreciation and amortization	0	0
Total assets	$ 9,201	$ 17,529