Quarterly report pursuant to Section 13 or 15(d)

Note 12 - Income Taxes (Details Textual)

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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%