Quarterly report pursuant to Section 13 or 15(d)

Liquidity and Financial Condition (Details Narrative)

v3.19.2
Liquidity and Financial Condition (Details Narrative) - USD ($)
9 Months Ended
Apr. 30, 2019
Apr. 30, 2018
Jul. 31, 2018
Jul. 31, 2017
Losses in all previous reporting periods from inception to date $ 157,000,000      
Total investment securities 23,300,000      
Cash 4,200,000      
Cash equivalents 18,100,000      
Cash and cash equivalents 22,257,659 $ 10,118,965 $ 3,803,627 $ 11,444,676
Short term investment securities 998,938   $ 23,174,447  
Net cash provided by financing activities 17,194,767 38,968,307    
Proceeds from sale of common stock and warrants 23,390 $ 35,809    
Subsequent to April 30, 2019 [Member]        
Proceeds from sale of common stock and warrants 11,000,000      
May 28, 2019 [Member]        
Cash, cash equivalents and investment securities $ 31,400,000