Stock-Based Compensation (Details 1) - Employee Stock Option [Member]	9 Months Ended
	Apr. 30, 2020 $ / shares shares
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Options, Outstanding Beginning Balance | shares	4,940,000
Options, Granted | shares	60,000
Options, Exercised | shares
Options, Forfeited and cancelled | shares
Options, Outstanding Ending Balance | shares	5,000,000
Options, Exercisable | shares	4,681,507
Options, Weighted-average exercise price, Outstanding Beginning Balance | $ / shares	$ 0.27
Options, Weighted-average exercise price, Granted | $ / shares	0.12
Options, Weighted-average exercise price, Exercised | $ / shares
Options, Weighted-average exercise price, Forfeited and cancelled | $ / shares
Options, Weighted-average exercise price, Outstanding Ending Balance | $ / shares	0.27
Options, Weighted-average exercise price, Exercisable | $ / shares	$ 0.26
Weighted-average remaining contractual term (years), Outstanding	3 years 7 months 24 days
Weighted-average remaining contractual term (years), Granted	4 years 6 months 25 days
Weighted-average remaining contractual term (years), Outstanding	2 years 11 months 1 day
Weighted-average remaining contractual term (years), Exercisable	2 years 10 months 10 days