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

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Amount of cost not yet recognized for nonvested award under share-based payment arrangement.

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Weighted-average period over which cost not yet recognized is expected to be recognized for award under share-based payment arrangement, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days.

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The number of equity-based payment instruments, excluding stock (or unit) options, that were forfeited during the reporting period.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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Note 2 - Stock Incentive Plans and Other Share-based Compensation (Details Textual) - USD ($)	3 Months Ended		6 Months Ended		30 Months Ended
	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021	Apr. 30, 2020	Apr. 30, 2021
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Forfeited in Period (in shares)			971
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			1 year 9 months 18 days
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 249,000		$ 249,000		$ 249,000
Plan 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)	363,000		363,000		363,000
Plan 2017 [Member] \| Restricted Stock [Member] \| Share-based Payment Arrangement, Employee [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)					0
Plan 2017 [Member] \| Employees, Consultant and Non-employee Directors [Member]
Share-based Payment Arrangement, Expense	$ 101,762	$ 26,677	$ 142,367	$ 61,033