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Goodwill and Intangible Assets: Intangible assets (Details) - USD ($)
12 Months Ended
Jul. 31, 2020
Jul. 31, 2019
Intangible assets gross $ 10,153,701 $ 10,153,701
Less accumulated amortization (788,175) (319,432)
Intangible assets net 9,365,526 9,834,269
In Process Research and Development [Member]    
Intangible assets gross 6,302,427 8,761,427
Noncompete Agreements [Member]    
Intangible assets gross $ 1,210,000 1,210,000
Estmated useful lives 3 years  
Developed Software/Technology [Member]    
Intangible assets gross $ 131,000 131,000
Estmated useful lives 5 years  
Intellectual Property [Member]    
Intangible assets gross $ 2,459,000 0
Estmated useful lives 5 years  
Patents [Member]    
Intangible assets gross $ 51,274 $ 51,274
Estmated useful lives 20 years