Goodwill and Intangible Assets (Details Narrative) - USD ($)	3 Months Ended
Oct. 31, 2020	Oct. 31, 2019	Jul. 31, 2020
Amortization expense	$ 231,342	$ 154,426
Intangible assets gross	10,153,701		$ 10,153,701
Goodwill	34,489,342		34,489,342
In Process Research and Development [Member]
Intangible assets gross	6,302,427		$ 6,302,427
In Process Research and Development [Member] \| HDS [Member]
Intangible assets gross	2,911,377
In Process Research and Development [Member] \| Regentys
Intangible assets gross	3,391,050
In Process Research and Development [Member] \| Olaregen
Intangible assets gross	$ 2,459,000

The aggregate expense charged against earnings to allocate the cost of intangible assets (nonphysical assets not used in production) in a systematic and rational manner to the periods expected to benefit from such assets. As a noncash expense, this element is added back to net income when calculating cash provided by or used in operations using the indirect method.

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Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

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Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

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