Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands |
1 Months Ended | 2 Months Ended | 3 Months Ended | ||
|---|---|---|---|---|---|
Dec. 05, 2018 |
Jan. 31, 2019 |
Jan. 31, 2020 |
Jan. 31, 2019 |
Oct. 31, 2019 |
|
| Income Tax Expense (Benefit), Total | $ (4,192) | $ (2,765) | $ (1,147) | ||
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total | $ (26,767) | $ (6,395) | $ (3,893) | ||
| Effective Income Tax Rate Reconciliation, Percent, Total | 15.70% | 43.20% | 29.50% | ||
| Effective Income Tax Rate Reconciliation, Nondeductible Expense, Amount, Total | $ 1,400 | ||||
| Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Amount | $ 0 | $ 300 | $ 700 | ||
| Deferred Tax Assets, Net, Total | 68,500 | $ 69,000 | |||
| Unrecognized Tax Benefits, Ending Balance | 1,700 | 1,700 | |||
| Foreign Tax Authority [Member] | |||||
| Tax Credit Carryforward, Valuation Allowance | $ 100 | $ 100 | |||
| Her Majesty's Revenue and Customs (HMRC) [Member] | |||||
| Effective Income Tax Rate Reconciliation, Foreign Income Tax Rate Differential, Percent | 19.00% | 17.00% | |||
| 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://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Percentage of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations applicable to statutory income tax expense (benefit) outside of the country of domicile. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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://fasb.org/us-gaap/role/ref/legacyRef
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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 the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to foreign income tax expense (benefit). Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to nondeductible expenses. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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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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| X | ||||||||||
- Details
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