Derivative Liability (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jan. 31, 2020	Jan. 31, 2019	Jan. 31, 2020	Jan. 31, 2019
Derivative liabilities at beginning			$ 7,820,282
Additions during the period			1,574,684
Change in fair value	$ 1,406,569	$ 0	3,559,218	$ (142,725)
Change due to conversion / exercise / redemptions			(2,703,085)
Derivative liabilities at end	10,361,668		10,361,668
Derivative Liability Convertible Notes
Derivative liabilities at beginning			4,156,196
Additions during the period			1,544,331
Change in fair value			(1,493,570)
Change due to conversion / exercise / redemptions			(2,556,082)
Derivative liabilities at end	1,650,875		1,650,875
Derivative Liability Warrants
Derivative liabilities at beginning			325,250
Additions during the period			30,353
Change in fair value			51,823
Change due to conversion / exercise / redemptions			(36,435)
Derivative liabilities at end	370,991		370,991
Derivative Liability Downside Protection
Derivative liabilities at beginning			3,338,836
Additions during the period			0
Change in fair value			5,000,966
Change due to conversion / exercise / redemptions			0
Derivative liabilities at end	$ 8,339,802		$ 8,339,802