Quarterly report pursuant to Section 13 or 15(d)

Note 8 - Goodwill and Intangible Assets (Details Textual)

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Note 8 - Goodwill and Intangible Assets (Details Textual) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 8 Months Ended 9 Months Ended
Dec. 05, 2018
Jul. 31, 2019
Jul. 31, 2018
Jul. 31, 2019
Jul. 31, 2018
Amortization of Intangible Assets, Total $ 653 $ 10,400 $ 1,900 $ 22,235 $ 5,720
Goodwill, Out of Period Adjustment   (3,400)      
CPH Acquisition [Member]          
Goodwill, Out of Period Adjustment   (3,400)      
Business Combination, Provisional Information, Initial Accounting Incomplete, Adjustment, Financial Liabilities   $ (3,400)