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 9 Months Ended
Jul. 31, 2021
Jul. 31, 2020
Jul. 31, 2021
Jul. 31, 2020
Oct. 31, 2020
Income Tax Expense (Benefit), Total $ 1,652 $ (462) $ (826) $ (3,829)  
Income (Loss) from Continuing Operations before Income Taxes, Noncontrolling Interest, Total 6,290 (215) (19,331) (62,432)  
Effective Income Tax Rate Reconciliation, Fair Value Adjustment of Warrants     11,200    
Effective Income Tax Rate Reconciliation, Contingent Liability, Amount   2,000   2,000  
Deferred Tax Assets, Net, Total 67,200   67,200   $ 68,000
Deferred Tax Assets, Operating Loss Carryforwards, Total 13,300   13,300   10,300
Domestic Tax Authority [Member]          
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount   1,400   1,400  
Foreign Tax Authority [Member]          
Effective Income Tax Rate Reconciliation, Change in Enacted Tax Rate, Amount   $ 900   $ 900  
Tax Credit Carryforward, Valuation Allowance $ 100   $ 100   $ 100