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Note 9 - 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, 2020 | Apr. 30, 2019 | Apr. 30, 2020 | Apr. 30, 2019 | Oct. 31, 2019
Net sales | $ 10,390 | $ 13,626 | $ 22,804 | $ 24,273 |
Income (loss) before provision for income taxes | (181) | 1,376 | (169) | 2,184 |
Depreciation and amortization | 253 | 141 | 508 | 278 |
Total assets | 39,412 | 34,405 | 39,412 | 34,405 | $ 37,700
Corporate, Non-Segment [Member] |  |  |  |  |
Net sales |  |  |  |  |
Income (loss) before provision for income taxes | 7 | 14 | 18 | 36 |
Depreciation and amortization |  |  |  |  |
Total assets | 15,265 | 14,660 | 15,265 | 14,660 |
RF Connector and Cable Assembly [Member] | Operating Segments [Member] |  |  |  |  |
Net sales | 3,768 | 3,341 | 6,957 | 6,599 |
Income (loss) before provision for income taxes | 697 | 257 | 979 | 537 |
Depreciation and amortization | 41 | 45 | 83 | 90 |
Total assets | 8,126 | 6,972 | 8,126 | 6,972 |
Custom Cabling Manufacturing and Assembly [Member] | Operating Segments [Member] |  |  |  |  |
Net sales | 6,622 | 10,285 | 15,847 | 17,674 |
Income (loss) before provision for income taxes | (885) | 1,105 | (1,166) | 1,611 |
Depreciation and amortization | 212 | 96 | 425 | 188 |
Total assets | $ 16,021 | $ 12,773 | $ 16,021 | $ 12,773 |

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