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

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Amount of expense recognized from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments), awarded to key employees or individuals. Excludes amount related to plans that cover generally all employees (for example, but not limited to, qualified pension plans).

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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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Period over which grantee's right to exercise award under share-based payment arrangement is no longer contingent on satisfaction of service or performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents reported fact of one year, five months, and thirteen days. Includes, but is not limited to, combination of market, performance or service condition.

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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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The difference between the maximum number of shares (or other type of equity) authorized for issuance under the plan (including the effects of amendments and adjustments), and the sum of: 1) the number of shares (or other type of equity) already issued upon exercise of options or other equity-based awards under the plan; and 2) shares (or other type of equity) reserved for issuance on granting of outstanding awards, net of cancellations and forfeitures, if applicable.

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The number of shares under options that were cancelled during the reporting period as a result of occurrence of a terminating event specified in contractual agreements pertaining to the stock option plan.

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Gross number of share options (or share units) granted during the period.

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Note 2 - Stock Incentive Plans and Other Share-based Compensation (Details Textual) - USD ($)	3 Months Ended		9 Months Ended
	Jul. 31, 2020	Jul. 31, 2019	Jul. 31, 2020	Jul. 31, 2019
Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Gross (in shares)			83,880
Share-based Compensation Arrangement by Share-based Payment Award, Options, Forfeitures in Period (in shares)			5,774
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)			2 years
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total	$ 435,000		$ 435,000
Plan 2017 [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant (in shares)	362,000		362,000
Plan 2017 [Member] \| Employees, Consultant and Non-employee Directors [Member]
Share-based Payment Arrangement, Expense	$ 40,605	$ 42,549	$ 101,638	$ 941,253
Plan 2017 [Member] \| Non-employee Directors [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	58,880
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	1 year
Plan 2017 [Member] \| Consultant [Member] \| Restricted Stock [Member]
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period (in shares)	25,000
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period (Year)	5 years
The 2017 Stock Incentive Plan [Member] \| Restricted Stock [Member]
Deferred Compensation Arrangement with Individual, Allocated Share-based Compensation Expense	$ 35,917	$ 35,597	$ 95,245	$ 89,241