Quarterly report pursuant to Section 13 or 15(d)

Note 11 - Income Taxes (Details Textual)

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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