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Goodwill and Intangible Assets (Details Narrative) - USD ($)
3 Months Ended 12 Months Ended
Oct. 31, 2019
Oct. 31, 2018
Jul. 31, 2019
Jul. 31, 2018
Goodwill and Intangible Assets Disclosure [Abstract]        
Amortization expense $ 154,426 $ 646 $ 255,835 $ 2,571