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Note 12 - Income Taxes (Details) (USD $) | 3 Months Ended | 12 Months Ended
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Oct. 31, 2014 | Jul. 31, 2014 | Apr. 30, 2014 | Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2014 | Oct. 31, 2013 | Oct. 31, 2012
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Income Tax Expense (Benefit) | $ (286,468,000)us-gaap_IncomeTaxExpenseBenefit | $ (1,733,000)us-gaap_IncomeTaxExpenseBenefit | $ 604,000 us-gaap_IncomeTaxExpenseBenefit | $ 633,000 us-gaap_IncomeTaxExpenseBenefit | $ 795,000 us-gaap_IncomeTaxExpenseBenefit | $ 1,922,000 us-gaap_IncomeTaxExpenseBenefit | $ (2,583,000)us-gaap_IncomeTaxExpenseBenefit | $ (9,494,000)us-gaap_IncomeTaxExpenseBenefit | $ (286,964,000)us-gaap_IncomeTaxExpenseBenefit | $ (9,360,000)us-gaap_IncomeTaxExpenseBenefit | $ (35,051,000)us-gaap_IncomeTaxExpenseBenefit
Valuation Allowance, Deferred Tax Asset, Increase (Decrease), Amount |  |  |  |  |  |  |  |  | (285,100,000)us-gaap_ValuationAllowanceDeferredTaxAssetChangeInAmount |  |
Deferred Tax Assets, Valuation Allowance | 642,003,000 us-gaap_DeferredTaxAssetsValuationAllowance |  |  |  | 927,134,000 us-gaap_DeferredTaxAssetsValuationAllowance |  |  |  | 642,003,000 us-gaap_DeferredTaxAssetsValuationAllowance | 927,134,000 us-gaap_DeferredTaxAssetsValuationAllowance |
Operating Loss Carryforwards |  |  |  |  | 1,500,000,000 us-gaap_OperatingLossCarryforwards |  |  |  |  | 1,500,000,000 us-gaap_OperatingLossCarryforwards |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 400,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  |  |  | 500,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |  |  |  | 400,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued | 500,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestAccrued |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense |  |  |  |  |  |  |  |  | (30,000,000)us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | 100,000 us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense | (18,300,000)us-gaap_UnrecognizedTaxBenefitsIncomeTaxPenaltiesAndInterestExpense
Unrecognized Tax Benefits, Period Increase (Decrease) |  |  |  |  |  |  |  |  | (200,000)us-gaap_UnrecognizedTaxBenefitsPeriodIncreaseDecrease |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 1,100,000 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |  |  |  | 1,200,000 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |  |  |  | 1,100,000 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate | 1,200,000 us-gaap_UnrecognizedTaxBenefitsThatWouldImpactEffectiveTaxRate |
Earliest Tax Year [Member] |  |  |  |  |  |  |  |  |  |  |
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Open Tax Year |  |  |  |  |  |  |  |  | 2010 |  |
Latest Tax Year [Member] |  |  |  |  |  |  |  |  |  |  |
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Open Tax Year |  |  |  |  |  |  |  |  | 2013 |  |
State and Local Jurisdiction [Member] |  |  |  |  |  |  |  |  |  |  |
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Income (Loss) |  |  |  |  |  |  |  |  | 24,500,000 us-gaap_OperatingIncomeLoss / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember | 23,100,000 us-gaap_OperatingIncomeLoss / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember | 3,400,000 us-gaap_OperatingIncomeLoss / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | (12,452,000)us-gaap_IncomeTaxExpenseBenefit / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember | 518,000 us-gaap_IncomeTaxExpenseBenefit / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember | (35,328,000)us-gaap_IncomeTaxExpenseBenefit / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember
Operating Loss Carryforwards | 2,200,000,000 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |  |  |  |  |  |  |  | 2,200,000,000 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_StateAndLocalJurisdictionMember |  |
Domestic Tax Authority [Member] |  |  |  |  |  |  |  |  |  |  |
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards | $ 1,500,000,000 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |  |  |  |  |  |  |  | $ 1,500,000,000 us-gaap_OperatingLossCarryforwards / us-gaap_IncomeTaxAuthorityAxis = us-gaap_DomesticCountryMember |  |

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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=6907707&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 235 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.4-08.(h)) -URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 08 -Paragraph h -Article 4 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Income Tax Expense (or Benefit) -URI http://asc.fasb.org/extlink&oid=6515339 Reference 4: 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=6907707&loc=d3e32639-109319 + Details
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