Warrants (Tables)

12 Months Ended

Jul. 31, 2021

Warrants [Abstract]

Schedule of warrants

				Weighted-		Weighted-average remaining
				average		contractual
	Warrants			exercise price		term (years)
Outstanding at July 31, 2019		2,700,000		$	0.32		2.19
Granted		50,000		$	0.20		2.25
Exercised		-			-		-
Forfeited and cancelled		(210,000	)	$	0.29		-
Outstanding at July 31, 2020		2,540,000		$	0.33		1.61
Granted		107,701,179		$	0.01		9.50
Exercised		(330,000	)	$	0.10		-
Expired		(405,000	)	$	0.50		-
Outstanding at July 31, 2021		109,506,179		$	0.01		9.17
Exercisable at July 31, 2021		82,280,885		$	0.01		9.15