Summary of Significant Accounting Policies (Details) - USD ($)	Jul. 31, 2019	Jul. 31, 2018
Call option	$ 0	$ 2,168,211
Warrants to be issued	0	24,962,507
Derivative liability
Derivative liability	7,820,282
Total	7,820,282
Warrants
Warrants to be issued		24,962,507
Total		24,962,507
Fair Value, Inputs, Level 1 [Member] | Derivative liability
Derivative liability	0
Total	0
Fair Value, Inputs, Level 1 [Member] | Warrants
Warrants to be issued		0
Total		0
Fair Value, Inputs, Level 2 [Member] | Derivative liability
Derivative liability	0
Total	0
Fair Value, Inputs, Level 2 [Member] | Warrants
Warrants to be issued		24,962,507
Total		24,962,507
Fair Value, Inputs, Level 3 [Member] | Derivative liability
Derivative liability	7,820,282
Total	$ 7,820,282
Fair Value, Inputs, Level 3 [Member] | Warrants
Warrants to be issued		0
Total		0
Call Option
Call option		2,168,211
Total		2,168,211
Call Option | Fair Value, Inputs, Level 1 [Member]
Call option		0
Total		0
Call Option | Fair Value, Inputs, Level 2 [Member]
Call option		2,168,211
Total		2,168,211
Call Option | Fair Value, Inputs, Level 3 [Member]
Call option		0
Total		$ 0