Note 2 - Stock Compensation (Details Textual) - USD ($) $ in Thousands	3 Months Ended
Jan. 31, 2022	Jan. 31, 2021
Share-based Payment Arrangement, Expense	$ 1,600	$ 900
Share-based Payment Arrangement, Expense, after Tax	1,100	800
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Expense	$ 45	$ 100

Amount of expense for award under share-based payment arrangement. Excludes amount capitalized.

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