Note 8 - Segment Information - Net Sales, Income Before Provision for Income Taxes and Other Related Segment Information (Details) - USD ($) $ in Thousands	3 Months Ended
	Jan. 31, 2022		Jan. 31, 2021	Oct. 31, 2021
Net sales	$ 16,918		$ 10,002
Income (loss) before benefit for income taxes	(357)		(597)
Depreciation and amortization	180		237
Total assets	49,736		40,635	$ 49,648
Corporate, Non-Segment [Member]
Net sales	0		0
Income (loss) before benefit for income taxes	(727)	[1]	(8)
Depreciation and amortization	0		0
Total assets	17,529		17,766
RF Connector and Cable Assembly [Member] | Operating Segments [Member]
Net sales	3,923		3,575
Income (loss) before benefit for income taxes	56		453
Depreciation and amortization	37		35
Total assets	7,572		7,667
Custom Cabling Manufacturing and Assembly [Member] | Operating Segments [Member]
Net sales	12,995		6,427
Income (loss) before benefit for income taxes	314		(1,042)
Depreciation and amortization	143		202
Total assets	$ 24,635		$ 15,202

[1] For the 12 months ended October 31, 2021, other income consists of the $2.8M PPP loans that were forgiven.