Quarterly report pursuant to Section 13 or 15(d)

Cash and Cash Equivalents and Liquidity (Details Narrative)

v3.8.0.1
Cash and Cash Equivalents and Liquidity (Details Narrative) - USD ($)
3 Months Ended
Oct. 31, 2017
Nov. 30, 2017
Jul. 31, 2017
Oct. 31, 2016
Jul. 31, 2016
Proceeds from exercise of warrants $ 9,100,000        
Cash and cash equivalents 14,661,418 $ 21,400,000 $ 11,444,676 $ 24,350,898 $ 28,746,224
Losses in all previous reporting periods from inception to date 100,800,000        
July 31, 2018 [Member]          
Operating expenses and working capital requirements $ 21,000,000