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Note 12 - Income Taxes (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2012 | Jul. 31, 2012 | Apr. 30, 2012 | Jan. 31, 2012 | Oct. 31, 2013 | Oct. 31, 2012 | Oct. 31, 2011
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards | $ 1,500,000,000 |  |  |  |  |  |  |  | $ 1,500,000,000 |  |
Income Tax Expense (Benefit) | 795,000 | 1,922,000 | (2,583,000) | (9,494,000) | 203,000 | (36,493,000) | 536,000 | 703,000 | (9,360,000) | (35,051,000) | (5,501,000)
Valuation Allowance, Deferred Tax Asset, Change in Amount |  |  |  |  |  |  |  |  | (10,800,000) |  |
Deferred Tax Assets, Valuation Allowance | 927,134,000 |  |  |  | 937,881,000 |  |  |  | 927,134,000 | 937,881,000 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Accrued | 500,000 |  |  |  | 400,000 |  |  |  | 500,000 | 400,000 |
Unrecognized Tax Benefits, Income Tax Penalties and Interest Expense |  |  |  |  |  |  |  |  | 100,000 | (18,300,000) | (2,000,000)
Unrecognized Tax Benefits, Period Increase (Decrease) |  |  |  |  |  |  |  |  | 300,000 |  |
Unrecognized Tax Benefits that Would Impact Effective Tax Rate | 1,200,000 |  |  |  | 9,900,000 |  |  |  | 1,200,000 | 9,900,000 |
Applied to Current Year Tax Expense [Member] | State and Local Jurisdiction [Member] |  |  |  |  |  |  |  |  |  |  |
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards |  |  |  |  |  |  |  |  |  |  | 500,000
Applied to Current Year Tax Expense [Member] | State and Local Jurisdiction [Member] |  |  |  |  |  |  |  |  |  |  |
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards | 23,100,000 |  |  |  | 3,400,000 |  |  |  | 23,100,000 | 3,400,000 |
State and Local Jurisdiction [Member] |  |  |  |  |  |  |  |  |  |  |
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards | 2,300,000,000 |  |  |  |  |  |  |  | 2,300,000,000 |  |
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | 518,000 | (35,328,000) | (3,924,000)
Internal Revenue Service (IRS) [Member] |  |  |  |  |  |  |  |  |  |  |
Note 12 - Income Taxes (Details) [Line Items] |  |  |  |  |  |  |  |  |  |  |
Operating Loss Carryforwards | 1,500,000,000 |  |  |  |  |  |  |  | 1,500,000,000 |  |
Income Tax Expense (Benefit) |  |  |  |  |  |  |  |  | $ (9,878,000) | $ 277,000 | $ (1,577,000)

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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=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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- 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=6907707&loc=d3e32559-109319 + Details
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- Definition Amount accrued for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition Amount of expense for interest on an underpayment of income taxes and penalties related to a tax position claimed or expected to be claimed in the tax return. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32718-109319 + Details
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- Definition The net amount of all increases and decreases in unrecognized tax benefits for the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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- Definition The total amount of unrecognized tax benefits that, if recognized, would affect the effective tax rate. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 50 -Paragraph 15A -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6907707&loc=SL6600010-109319 + Details
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- Definition The amount of the change in the period in the valuation allowance for a specified deferred tax asset. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 740 -SubTopic 10 -Section 45 -Paragraph 20 -URI http://asc.fasb.org/extlink&oid=21917399&loc=d3e32123-109318 + Details
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