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
12 Months Ended
Oct. 31, 2021
Oct. 31, 2020
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 0.9 $ 1.0
Camfaud [Member] | Small Self-Administered Scheme [Member]    
Defined Benefit Plan, Plan Assets, Contributions by Employer $ 0.3 $ 0.3