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Note 11 - Income Taxes (Details Textual) $ in Thousands | 3 Months Ended | 12 Months Ended | 36 Months Ended |
--- | --- | --- | --- | ---
Oct. 31, 2020 USD ($) | Jul. 31, 2020 USD ($) | Apr. 30, 2020 USD ($) | Jan. 31, 2020 USD ($) | Oct. 31, 2019 USD ($) | Jul. 31, 2019 USD ($) | Apr. 30, 2019 USD ($) | Jan. 31, 2019 USD ($) | Oct. 31, 2020 USD ($) | Oct. 31, 2019 USD ($) | Oct. 31, 2018 USD ($) | Oct. 31, 2020 USD ($) | Oct. 31, 2010 USD ($)
Income Tax Expense (Benefit), Total | $ 1,810 | $ 853 | $ 100 | $ 1,712 | $ 1,221 | $ 537 | $ 345 | $ 346 | $ 4,475 | $ 2,449 | $ 3,626 |  |
Deferred Tax Assets, Valuation Allowance, Total | 577,534 |  |  |  | 623,220 |  |  |  | 577,534 | 623,220 |  | $ 577,534 | $ 577,500
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total | $ 42,444 | $ 16,216 | $ 4,179 | $ (7,436) | (586) | $ (7,064) | $ (14,912) | $ (17,106) | $ 55,403 | (39,668) | 8,146 | 23,800 |
Contract Pace Per Average Active Selling Community | 16.4 | 17.8 |  |  |  |  |  |  |  |  |  |  |
Increase (Decrease) in Dollar Value of Backlog, Percentage |  |  |  |  |  |  |  |  | 61.30% |  |  |  |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued, Total | $ 300 |  |  |  | 400 |  |  |  | $ 300 | 400 |  | 300 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense, Total |  |  |  |  |  |  |  |  | 60 | 32 | 41 |  |
Unrecognized Tax Benefits, Period Increase (Decrease), Total |  |  |  |  |  |  |  |  | (200) |  |  |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | $ 700 |  |  |  | $ 900 |  |  |  | 700 | 900 |  | $ 700 |
Domestic Tax Authority [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Income (Loss), Total |  |  |  |  |  |  |  |  | (183,000) | (4,000) |  |  |
Operating Income (Loss), Tax Effect |  |  |  |  |  |  |  |  | 38,400 | 800 |  |  |
Income Tax Expense (Benefit), Total |  |  |  |  |  |  |  |  | $ 0 | 0 | 0 |  |
Open Tax Year |  |  |  |  |  |  |  |  | 2016 2017 2018 2019 |  |  |  |
Domestic Tax Authority [Member] | Between 2028 and 2038 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total |  |  |  |  |  |  |  |  |  |  |  |  | 1,400
Domestic Tax Authority [Member] | Indefinite Tax Period [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total |  |  |  |  |  |  |  |  |  |  |  |  | 15,700
State and Local Jurisdiction [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Income (Loss), Total |  |  |  |  |  |  |  |  | $ (72,500) | (1,300) | (4,400) |  |
Income Tax Expense (Benefit), Total |  |  |  |  |  |  |  |  | $ 4,475 | $ 2,449 | $ 3,626 |  |
Operating Loss Carryforwards, Total |  |  |  |  |  |  |  |  |  |  |  |  | 2,400,000
State and Local Jurisdiction [Member] | Indefinite Tax Period [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total |  |  |  |  |  |  |  |  |  |  |  |  | 48,800
State and Local Jurisdiction [Member] | Between 2021 and 2025 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total |  |  |  |  |  |  |  |  |  |  |  |  | 232,600
State and Local Jurisdiction [Member] | Between 2026 and 2030 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total |  |  |  |  |  |  |  |  |  |  |  |  | 1,300,000
State and Local Jurisdiction [Member] | Between 2031 and 2035 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total |  |  |  |  |  |  |  |  |  |  |  |  | 587,900
State and Local Jurisdiction [Member] | Between 2036 and 2040 [Member] |  |  |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards, Total |  |  |  |  |  |  |  |  |  |  |  |  | $ 239,200

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