Warrants (Details 1) - $ / shares	12 Months Ended
	Jul. 31, 2018	Jul. 31, 2017
Warrants and Rights Note Disclosure [Abstract]
Warrants, Outstanding	510,000	300,000
Warrants, Granted	2,010,000	210,000
Warrants, Exercised	(150,000)
Warrants, Forfeited and cancelled
Warrants, Outstanding	2,370,000	510,000
Warrants, Exercisable	2,370,000
Weighted-average exercise price, Outstanding	$ 0.29	$ 0.14
Weighted-average exercise price, Granted	0.26	0.50
Weighted-average exercise price, Exercised	0.10
Weighted-average exercise price, Forfeited and cancelled
Weighted-average exercise price, Outstanding	0.28	$ 0.29
Weighted-average exercise price, Exercisable	$ 0.24
Weighted-average remaining contractual term (years), Outstanding	2 years 10 months 14 days	3 years 5 months 12 days
Weighted-average remaining contractual term (years), Granted	3 years 4 months 2 days	3 years
Weighted-average remaining contractual term (years), Exercised	3 years
Weighted-average remaining contractual term (years), Outstanding	2 years 10 months 25 days
Weighted-average remaining contractual term (years), Exercisable	2 years 10 months 25 days