Note 11 - Income Taxes (Details Textual) - USD ($) |
1 Months Ended | 2 Months Ended | 3 Months Ended | 12 Months Ended | |
|---|---|---|---|---|---|
Dec. 05, 2018 |
Jan. 31, 2019 |
Jan. 31, 2018 |
Oct. 31, 2018 |
Oct. 31, 2017 |
|
| Effective Income Tax Rate Reconciliation, Percent, Total | 15.70% | 43.20% | 21.00% | 35.00% | |
| Income Tax Expense (Benefit), Continuing Operations, Adjustment of Deferred Tax (Asset) Liability | $ 13,500,000 | $ (15,096,000) | |||
| Effective Income Tax Rate Reconciliation, Repatriation of Foreign Earnings, Amount | $ 500,000 | 451,000 | |||
| Domestic Tax Authority [Member] | |||||
| Operating Loss Carryforwards, Total | 8,100,000 | $ 0 | |||
| State and Local Jurisdiction [Member] | |||||
| Operating Loss Carryforwards, Total | 5,300,000 | 6,000 | |||
| Foreign Tax Authority [Member] | |||||
| Tax Credit Carryforward, Amount | $ 80,000 | $ 80,000 | |||
| 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 Amount of income tax expense (benefit) from continuing operations attributable to an adjustment of a deferred tax liability or asset for enacted changes in tax laws or rates or a change in the tax status of the entity. 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 repatriation of foreign earnings. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Amount of operating loss carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition The amount of the tax credit carryforward, before tax effects, available to reduce future taxable income under enacted tax laws. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
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