Annual report pursuant to Section 13 and 15(d)

Note 17 - Employee Benefits Plan (Details Textual)

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Note 17 - Employee Benefits Plan (Details Textual) - USD ($)
$ in Millions
1 Months Ended 11 Months Ended 12 Months Ended
Dec. 05, 2018
Oct. 31, 2019
Oct. 31, 2020
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 0.1 $ 0.8 $ 1.0
Camfaud [Member] | Small Self-Administered Scheme [Member]      
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 0.1 $ 0.2 $ 0.3