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Organization of Business and Going Concern (Details Narrative) - USD ($)
Jan. 07, 2019
Apr. 30, 2020
Jul. 31, 2019
Jan. 18, 2017
Accumulated deficit   $ (440,389,785) $ (418,727,875)  
Working capital deficiency   $ 37,600,000    
Secured promissory note Description On January 7, 2019, the Company closed two separate Acquisition Agreements pursuant to which the Company acquired a 51% interest in both Regentys Corporation (“Regentys”) and Olaregen Therapeutix Inc. (“Olaregen”). Regentys is a regenerative medicine company focused on developing novel treatments for patients with gastrointestinal (GI) disorders. Olaregen is a New York based regenerative medicine company that is preparing to launch its proprietary, patented, wound conforming gel matrix, Excellagen, an FDA 510K cleared wound healing product. In the first quarter of 2020 the Company acquired increased its ownership of Olaregen to 77%.      
Hema Diagnostic Systems, LLC        
Majority interest       51.00%