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Note 7 - Segment Information - Net Sales, Income Before Provision for Income Taxes and Other Related Segment Information (Details) - USD ($)
$ in Thousands
 12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Net sales $ 57,424 $ 43,044
Income (loss) before benefit for income taxes 7,217 (448)
Depreciation and amortization 770 1,014
Total assets 49,648 40,822
Corporate, Non-Segment [Member]    
Net sales 0 0
Income (loss) before benefit for income taxes 2,802 [1] (44)
Depreciation and amortization 0 0
Total assets 16,406 17,514
RF Connector and Cable Assembly [Member] | Operating Segments [Member]    
Net sales 15,622 14,554
Income (loss) before benefit for income taxes 2,494 2,019
Depreciation and amortization 141 159
Total assets 7,367 7,822
Custom Cabling Manufacturing and Assembly [Member] | Operating Segments [Member]    
Net sales 41,802 28,490
Income (loss) before benefit for income taxes 1,921 (2,423)
Depreciation and amortization 629 855
Total assets $ 25,875 $ 15,486
[1] For the 12 months ended October 31, 2021, other income consists of the $2.8M PPP loans that were forgiven.