The net cash inflow from the additional capital contribution to the entity.

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Amount by which current fair value of underlying stock exceeds exercise price of unvested options outstanding.

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The maximum amount of proceeds can be raised from the stock offering.

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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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Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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Amount by which the current fair value of the underlying stock exceeds the exercise price of options outstanding.

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Amount by which current fair value of underlying stock exceeds exercise price of fully vested and expected to vest options outstanding. Includes, but is not limited to, unvested options for which requisite service period has not been rendered but that are expected to vest based on achievement of performance condition, if forfeitures are recognized when they occur.

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Number of new stock issued during the period.

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Note 13 - Capital Stock (Details Textual) - USD ($)		3 Months Ended		9 Months Ended
Note 13 - Capital Stock (Details Textual) - USD ($)	Jun. 13, 2022	Apr. 30, 2022	Apr. 30, 2021	Apr. 30, 2022	Apr. 30, 2021	Nov. 26, 2021	Jul. 31, 2021	May 14, 2021
Proceeds from Warrant Exercises		$ 645,696		$ 2,697,927
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Outstanding, Intrinsic Value		23,997,678		23,997,678
Share-Based Compensation Arrangement by Share-Based Payment Award, Options, Vested and Expected to Vest, Outstanding, Aggregate Intrinsic Value		16,570,688		16,570,688
Share-based Compensation Arrangement by Share-based Payment Award, Options, Unvested in Period, Intrinsic Value		7,426,990		7,426,990
Share-Based Payment Arrangement, Option [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		540,730		$ 540,730
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				9 months 29 days
Restricted Stock Units (RSUs) [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		572,065		$ 572,065
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 5 months 4 days
Share-Based Payment Arrangement, Expense		$ 182,664	$ 262,970	$ 560,306	$ 806,638
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number, Ending Balance (in shares)		997,612		997,612			997,612
Performance-based Restriced Stock Units [Member]
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Amount, Total		$ 475,190		$ 475,190
Share-Based Payment Arrangement, Nonvested Award, Cost Not yet Recognized, Period for Recognition (Year)				1 year 5 months 8 days
Share-Based Payment Arrangement, Expense		$ 73,269	$ 37,544	$ 219,958	$ 112,632
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			1,250,451
May 2021 At-the-market Offering [Member]
Stock Offering, Maximum Amount								$ 100,000,000
November 2021 At-the-market Offering [Member]
Stock Offering, Maximum Amount						$ 100,000,000
The 2021 At-the-market Offerings [Member]
Stock Issued During Period, Shares, New Issues (in shares)		4,800,000		43,295,536
Proceeds from Issuance of Common Stock, Net		$ 18,557,112		$ 149,200,901
The 2021 At-the-market Offerings [Member] \| Subsequent Event [Member]
Stock Issued During Period, Shares, New Issues (in shares)	2,102,000
Proceeds from Issuance of Common Stock, Net	$ 7,309,084