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Note 15 - Income Taxes (Details Textual) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Apr. 30, 2017 | Apr. 30, 2016 | Apr. 30, 2017 | Apr. 30, 2016
Income Tax Expense (Benefit) | $ (1,017) | $ (9,143) | $ (551) | $ (6,164)
Deferred Tax Assets, Valuation Allowance | 628,000 |  | 628,000 |
Interest Reduction, Amount Per Year |  |  | 20,000 |
Required Minimum Taxable Income | 275,000 |  | 275,000 |
State and Local Jurisdiction [Member] |  |  |  |
Income Tax Expense (Benefit) | 2,292 | $ (758) | 2,274 | $ 3,561
State and Local Jurisdiction [Member] | Between 2017 and 2036 [Member] |  |  |  |
Operating Loss Carryforwards | 2,200,000 |  | 2,200,000 |
State and Local Jurisdiction [Member] | Between 2017 and 2021 [Member] |  |  |  |
Operating Loss Carryforwards | 301,700 |  | 301,700 |
State and Local Jurisdiction [Member] | Between 2022 and 2026 [Member] |  |  |  |
Operating Loss Carryforwards | 253,900 |  | 253,900 |
State and Local Jurisdiction [Member] | Between 2027 and 2031 [Member] |  |  |  |
Operating Loss Carryforwards | 1,327,300 |  | 1,327,300 |
State and Local Jurisdiction [Member] | Between 2032 and 2036 [Member] |  |  |  |
Operating Loss Carryforwards | $ 348,000 |  | $ 348,000 |

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- Definition Amount of deferred tax assets for which it is more likely than not that a tax benefit will not be realized. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32537-109319 + Details
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- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 9 -Subparagraph (a),(b) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32639-109319 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 + Details
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- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=84230637&loc=d3e32559-109319 + Details
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