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Net sales, income (loss) before provision for income taxes and other related segment information (Detail) - USD ($) $ in Thousands | 12 Months Ended
--- | ---
Oct. 31, 2018 | Oct. 31, 2017
Segment Reporting Information [Line Items] |  |
Net sales | $ 50,196 | $ 22,983
Income (loss) from continuing operations before provision (benefit) for income taxes | 7,494 | 232
Depreciation and amortization | 513 | 506
Total assets | 32,502 | 25,060
RF Connector and Cable Assembly |  |
Segment Reporting Information [Line Items] |  |
Net sales | 11,846 | 11,456
Income (loss) from continuing operations before provision (benefit) for income taxes | 107 | 107
Depreciation and amortization | 172 | 177
Total assets | 6,529 | 6,297
Custom Cabling Manufacturing and Assembly |  |
Segment Reporting Information [Line Items] |  |
Net sales | 38,350 | 11,527
Income (loss) from continuing operations before provision (benefit) for income taxes | 7,340 | 96
Depreciation and amortization | 341 | 329
Total assets | 8,763 | 6,353
Corporate |  |
Segment Reporting Information [Line Items] |  |
Net sales | 0 | 0
Income (loss) from continuing operations before provision (benefit) for income taxes | 47 | 29
Depreciation and amortization | 0 | 0
Total assets | $ 17,210 | $ 12,410

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