Annual report pursuant to Section 13 and 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 12 Months Ended 105 Months Ended
Jul. 31, 2017
Apr. 30, 2017
Jan. 31, 2017
Oct. 31, 2016
Jul. 31, 2016
Apr. 30, 2016
 [1]
Jan. 31, 2016
 [1]
Oct. 31, 2015
 [1]
Jul. 31, 2017
Jul. 31, 2016
Jul. 31, 2017
Jul. 31, 2015
Cash and Cash Equivalents [Abstract]                        
Net loss $ 5,897,930 $ 4,560,972 $ 5,387,311 $ 5,603,585 $ 6,561,994 [1] $ 6,251,409 $ 7,037,720 $ 7,037,391 $ 21,449,798 $ 26,888,514    
Losses in all previous reporting periods from inception to date                     $ 94,900,000  
Cash and cash equivalents $ 11,444,676       $ 28,746,224       11,444,676 $ 28,746,224 $ 11,444,676 $ 32,035,264
Cash requirements for going concern                 $ 21,000,000      
[1] The format has been recast to conform to the accompanying consolidated statements of operations.