Note 11 - Income Taxes (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | |||
|---|---|---|---|---|---|
Apr. 30, 2021 |
Apr. 30, 2020 |
Apr. 30, 2021 |
Apr. 30, 2020 |
Oct. 31, 2020 |
|
| Income Tax Expense (Benefit), Total | $ 170 | $ (2,221) | $ (2,478) | $ (3,368) | |
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total | (10,683) | $ (57,935) | (25,621) | $ (62,218) | |
| Deferred Tax Assets, Net, Total | 65,600 | 65,600 | $ 68,000 | ||
| Unrecognized Tax Benefits, Ending Balance | 1,500 | 1,500 | 1,600 | ||
| Foreign Tax Authority [Member] | |||||
| Tax Credit Carryforward, Valuation Allowance | $ 100 | $ 100 | $ 100 | ||
| X | ||||||||||
- Definition Amount, after allocation of valuation allowances and deferred tax liability, of deferred tax asset attributable to deductible differences and carryforwards, without jurisdictional netting. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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| X | ||||||||||
- Definition Amount of income (loss) from continuing operations, including income (loss) from equity method investments, before deduction of income tax expense (benefit), and income (loss) attributable to noncontrolling interest. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Definition Amount of valuation allowance pertaining to the deferred tax asset representing potential future taxable deductions from tax credit carryforwards for which it is more likely than not that a tax benefit will not be realized. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of unrecognized tax benefits. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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| X | ||||||||||
- Details
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