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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 cash inflow associated with the amount received from holders exercising their stock warrants.

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The number of non-vested equity-based payment instruments, excluding stock (or unit) options, that validly exist and are outstanding as of the balance sheet date.

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Number of new stock issued during the period.

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Note 12 - Capital Stock (Details Textual) - USD ($)		3 Months Ended
Note 12 - Capital Stock (Details Textual) - USD ($)	Dec. 14, 2021	Oct. 31, 2021	Oct. 31, 2020	Nov. 26, 2021	Jul. 31, 2021	May 14, 2021
Proceeds from Warrant Exercises		$ 910,328
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Intrinsic Value		23,495,073
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value		14,549,700
Share-based Compensation Arrangement by Share-based Payment Award, Options, Unvested in Period, Intrinsic Value		8,945,373
Share-based Payment Arrangement, Option [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 1,187,991
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)		1 year 25 days
Restricted Stock Units (RSUs) [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 943,551
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)		1 year 7 months 28 days
Share-based Payment Arrangement, Expense		$ 188,821	$ 271,834
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares)		997,612			997,612
Performance-based Restriced Stock Units [Member]
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 621,729
Share-based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)		1 year 7 months 17 days
Share-based Payment Arrangement, Expense		$ 73,420	$ 37,544
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares)		1,250,451			1,250,451
May 2021 At-the-market Offering [Member]
Stock Offering, Maximum Amount						$ 100,000,000
Stock Issued During Period, Shares, New Issues (in shares)		20,743,878
Proceeds from Issuance of Common Stock, Net		$ 62,671,123
May 2021 At-the-market Offering [Member] \| Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues (in shares)	6,655,295
Proceeds from Issuance of Common Stock, Net	$ 28,919,064
The 2021 At-the-market Offerings [Member] \| Subsequent Event [Member]
Stock Offering, Maximum Amount				$ 100,000,000
Proceeds from Issuance of Common Stock, Net	$ 31,500,000
November 2021 At-the-market Offering [Member] \| Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues (in shares)	747,841
Proceeds from Issuance of Common Stock, Net	$ 2,558,808