Warrants (Details)	9 Months Ended
	Apr. 30, 2020 USD ($) $ / shares shares
Warrants Abstract
Number of Warrants Outstanding at beginning	21,559,553
Number of Warrants issued	88,000
Number of Warrants Forfeited	(80,000)
Number of Warrants Expired	(21,000,000)
Number of Warrants Outstanding at end	567,553
Weighted Average Exercise Price per Share Outstanding at beginning | $ / shares	$ 1.81
Weighted Average Exercise Price per Share issued	2.50
Weighted Average Exercise Price per Share Forfeited | $ / shares	$ 2.50
Weighted Average Exercise Price per Share Expired | $ / shares	1.79
Weighted Average Exercise Price per Share Outstanding at end | $ / shares	$ 2.50
Weighted Average Remaining Life of Warrants Outstanding at beginning (Years)	4 months 24 days
Weighted Average Remaining Life of Warrants issued (Years)	2 years 3 months 15 days
Weighted Average Remaining Life of Warrants Forfeited (Years)	4 days
Weighted Average Remaining Life of Warrants Outstanding at end (Years)	2 years 5 months 12 days
Aggregate Intrinsic Value Warrants Outstanding at beginning | $	$ 4,500,000
Aggregate Intrinsic Value Warrants issued | $	0
Aggregate Intrinsic Value Warrants Forfeited | $	0
Aggregate Intrinsic Value Warrants Outstanding at end | $	$ 0