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Note 8 - 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, 2025
Apr. 30, 2024
Apr. 30, 2025
Apr. 30, 2024
Oct. 31, 2024
Net sales $ 18,910 $ 16,110 $ 38,110 $ 29,568  
(Loss) income before benefit for income taxes (110) (645) (319) (2,838)  
Depreciation and amortization 615 633 1,231 1,266  
Total assets 72,679 72,823 72,679 72,823 $ 71,046
Expenditures for Segment Assets 34 169 61 312  
(Loss) income before provision for income taxes (110) (645) (319) (2,838)  
Operating Segments [Member] | RF Connector and Cable Assembly [Member]          
Net sales 9,357 9,902 18,081 18,709  
(Loss) income before benefit for income taxes (1,282) (660) (2,786) (2,388)  
Depreciation and amortization 518 572 1,036 1,085  
Total assets 45,668 51,007 45,668 51,007  
Expenditures for Segment Assets 14 167 23 295  
(Loss) income before provision for income taxes (1,282) (660) (2,786) (2,388)  
Operating Segments [Member] | Custom Cabling Manufacturing and Assembly [Member]          
Net sales 9,553 6,208 20,029 10,859  
(Loss) income before benefit for income taxes 1,562 350 3,121 89  
Depreciation and amortization 97 61 195 181  
Total assets 21,262 17,746 21,262 17,746  
Expenditures for Segment Assets 20 2 38 17  
(Loss) income before provision for income taxes 1,562 350 3,121 89  
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]          
Net sales 0 0 0 0  
(Loss) income before benefit for income taxes (390) (335) (654) (539)  
Depreciation and amortization 0 0 0 0  
Total assets 5,749 4,070 5,749 4,070  
Expenditures for Segment Assets 0 0 0 0  
(Loss) income before provision for income taxes $ (390) $ (335) $ (654) $ (539)