Warrants (Details 1) - $ / shares	9 Months Ended	12 Months Ended
	Apr. 30, 2019	Jul. 31, 2018
Warrants [Abstract]
Number of warrants, outstanding	2,015,000	150,000
Number of warrants, granted	500,000	1,865,000
Number of warrants, expired	(150,000)	0
Number of warrants, exercised	0	0
Number of warrants, exercisable	2,365,000	2,015,000
Weighted average exercise price, outstanding	$ .15	$ .10
Weighted average exercise price, granted	.15	.15
Weighted average exercise price, expired	.00	.00
Weighted average exercise price, exercised	.00	.00
Weighted average exercise price, exercisable	$ .15	$ .15
Weighted average remaining contract term, outstanding		1 year 6 months
Weighted average remaining contract term, granted	1 year 3 months 11 days	1 year 5 months 19 days
Weighted average remaining contract term, exercisable	10 months 24 days	1 year 5 months 19 days