Note 12 - Income Taxes (Details Textual) - USD ($) $ in Thousands |
3 Months Ended | ||
|---|---|---|---|
Jan. 31, 2022 |
Jan. 31, 2021 |
Oct. 31, 2021 |
|
| Income Tax Expense (Benefit) Rounded | $ (0) | ||
| Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total | 1,161 | $ (14,938) | |
| Income Tax Expense (Benefit), Total | (22) | $ (2,648) | |
| Effective Income Tax Rate Reconciliation, Tax Expense (Benefit), Share-based Payment Arrangement, Amount | 100 | ||
| Foreign Rate Fluctuations, Value | 200 | ||
| Deferred Tax Assets, Net, Total | 70,200 | $ 70,600 | |
| Deferred Tax Assets, Operating Loss Carryforwards, Total | 17,800 | $ 17,800 | |
| Tax Credit Carryforward, Valuation Allowance | $ 100 | ||