Quarterly report pursuant to Section 13 or 15(d)

Share Purchase Options (Details) - Schedule share purchase options outstanding and exercisable

v3.21.2
Share Purchase Options (Details) - Schedule share purchase options outstanding and exercisable - Share purchase options [Member]
12 Months Ended
May 31, 2019
$ / shares
shares
Share Purchase Options (Details) - Schedule share purchase options outstanding and exercisable [Line Items]  
Options Outstanding 9,808,333
Options Exercisable 4,858,333
Weighted average remaining contractual life, Options Outstanding 8 years 328 days
Weighted average remaining contractual life, Options Exercisable 8 years 328 days
Weighted average exercise price, Options Outstanding (in Dollars per share) | $ / shares $ 1.20
Weighted average exercise price, Options Exercisable (in Dollars per share) | $ / shares 1.41
February 1, 2026 [Member]  
Share Purchase Options (Details) - Schedule share purchase options outstanding and exercisable [Line Items]  
Exercise Price (in Dollars per share) | $ / shares $ 5.85
Options Outstanding 33,333
Options Exercisable 33,333
November 30, 2027 [Member]  
Share Purchase Options (Details) - Schedule share purchase options outstanding and exercisable [Line Items]  
Exercise Price (in Dollars per share) | $ / shares $ 2.27
Options Outstanding 1,425,000
Options Exercisable 1,425,000
June 5, 2028 [Member]  
Share Purchase Options (Details) - Schedule share purchase options outstanding and exercisable [Line Items]  
Exercise Price (in Dollars per share) | $ / shares $ 1.00
Options Outstanding 8,350,000
Options Exercisable 3,400,000