Goodwill and Intangible Assets (Details Narrative) - USD ($)	9 Months Ended
Apr. 30, 2020	Apr. 30, 2019	Jul. 31, 2019
Amortization expense	$ 462,295	$ 399,541
Intangible assets gross	11,276,301		$ 10,153,701
In Process Research and Development [Member]
Intangible assets gross	8,761,427		$ 8,761,427
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.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 28
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=118932676&loc=d3e3602-108585

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(2)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=6388964&loc=d3e16225-109274

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