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Note 16 - Income Taxes (Details Textual) $ in Thousands | 3 Months Ended | 12 Months Ended | 36 Months Ended
--- | --- | --- | ---
Jan. 31, 2021 USD ($) | Oct. 31, 2020 | Jul. 31, 2020 | Jan. 31, 2020 USD ($) | Jan. 31, 2021 USD ($) | Oct. 31, 2020 USD ($) | Oct. 31, 2019 USD ($) | Oct. 31, 2018 USD ($) | Oct. 31, 2020 USD ($)
Income Tax Expense (Benefit), Total | $ 626 |  |  | $ 1,712 |  |  |  |  |
Deferred Tax Assets, Valuation Allowance, Total | 571,500 |  |  |  | $ 571,500 |  |  |  |
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total | $ 19,585 |  |  | (7,436) |  | $ 55,400 | $ (39,700) | $ 8,100 | $ 23,800
Contract Pace Per Average Active Selling Community | 16.0 | 16.4 | 17.8 |  |  |  |  |  |
Increase (Decrease) in Dollar Value of Backlog, Percentage |  |  |  |  | 85.20% |  |  |  |
State and Local Jurisdiction [Member] |  |  |  |  |  |  |  |  |
Income Tax Expense (Benefit), Total | $ 626 |  |  | 1,712 |  |  |  |  |
Operating Loss Carryforwards, Total | 2,400,000 |  |  |  | $ 2,400,000 |  |  |  |
State and Local Jurisdiction [Member] | Indefinite Tax Period [Member] |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total | 48,800 |  |  |  | 48,800 |  |  |  |
State and Local Jurisdiction [Member] | Between 2021 and 2025 [Member] |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total | 232,600 |  |  |  | 232,600 |  |  |  |
State and Local Jurisdiction [Member] | Between 2026 and 2030 [Member] |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total | 1,300,000 |  |  |  | 1,300,000 |  |  |  |
State and Local Jurisdiction [Member] | Between 2031 and 2035 [Member] |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total | 587,900 |  |  |  | 587,900 |  |  |  |
State and Local Jurisdiction [Member] | Between 2036 and 2040 [Member] |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total | 239,200 |  |  |  | 239,200 |  |  |  |
Domestic Tax Authority [Member] |  |  |  |  |  |  |  |  |
Income Tax Expense (Benefit), Total | 0 |  |  | $ 0 |  |  |  |  |
Domestic Tax Authority [Member] | Between 2028 and 2038 [Member] |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total | 1,400,000 |  |  |  | 1,400,000 |  |  |  |
Domestic Tax Authority [Member] | Indefinite Tax Period [Member] |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total | $ 22,800 |  |  |  | $ 22,800 |  |  |  |

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