XML 32 R24.htm IDEA: XBRL DOCUMENT v3.19.3.a.u2
Going Concern (Details) - USD ($)
6 Months Ended
Jan. 31, 2020
Jul. 31, 2019
Going Concern (Textual)    
Accumulated deficit $ (87,285,000) $ (85,320,000)
Working capital deficit $ 6,125