Warrants (Details 1) - Warrant [Member]	9 Months Ended
	Apr. 30, 2019 $ / shares shares
Class of Warrant or Right [Line Items]
Options/Warrants, Outstanding at July 31, 2018 | shares	2,370,000
Options/Warrants, Granted | shares	315,000
Options/Warrants, Exercised | shares	(75,000)
Warrants, Forfeited and cancelled | shares	(260,000)
Options/Warrants, Outstanding at April 30, 2019 | shares	2,350,000
Options/Warrants, Exercisable at April 30, 2019 | shares	2,050,000
Options/Warrants, Weighted-average exercise price, Outstanding at July 31, 2018 | $ / shares	$ 0.28
Options/Warrants, Weighted-average exercise price, Granted | $ / shares	0.15
Options/Warrants, Weighted-average exercise price, Exercised | $ / shares	0.10
Options/Warrants, Weighted-average exercise price, Forfeited and cancelled | $ / shares	0.15
Options/Warrants, Weighted-average exercise price, Outstanding at April 30, 2019 | $ / shares	0.34
Options/Warrants, Weighted-average exercise price, Exercisable at April 30, 2019 | $ / shares	$ 0.25
Options/Warrants, Weighted-average remaining contractual term (years), Outstanding	2 years 10 months 25 days
Options/Warrants, Granted, Weighted-average remaining contractual term (years)	2 years 7 months 24 days
Options/Warrants, Exercised, Weighted-average remaining contractual term (years)	2 years 1 month 24 days
Options/Warrants, Forfeited and cancelled, Weighted-average remaining contractual term (years)	3 years 9 months
Options/Warrants, Weighted-average remaining contractual term (years), Outstanding, Ending	2 years 4 months 2 days
Options/Warrants, Weighted-average remaining contractual term (years), Exercisable at April 30, 2019	2 years 2 months 16 days