Stock-Based Compensation (Details 1) - Employee Stock Option [Member] - $ / shares	6 Months Ended	12 Months Ended
	Jan. 31, 2020	Jul. 31, 2019
Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items]
Options, Outstanding Beginning Balance	4,940,000
Options, Granted	60,000
Options, Exercised
Options, Forfeited and cancelled
Options, Outstanding Ending Balance	5,000,000	4,940,000
Options, Exercisable	4,548,251
Options, Weighted-average exercise price, Outstanding Beginning Balance	$ 0.27
Options, Weighted-average exercise price, Granted	0.12
Options, Weighted-average exercise price, Exercised
Options, Weighted-average exercise price, Forfeited and cancelled
Options, Weighted-average exercise price, Outstanding Ending Balance	0.27	$ 0.27
Options, Weighted-average exercise price, Exercisable	$ 0.27
Weighted-average remaining contractual term (years), Outstanding	3 years 1 month 27 days	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), Exercisable	3 years 1 month 2 days