Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity (Details) - Schedule of Stockholders' Equity Note, Warrants or Rights

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Stockholders' Equity (Details) - Schedule of Stockholders' Equity Note, Warrants or Rights - $ / shares
9 Months Ended 12 Months Ended
May 31, 2020
Feb. 28, 2022
May 31, 2021
Schedule of Stockholders' Equity Note, Warrants or Rights [Abstract]      
Warrants outstanding, Number of Shares 54,835,145 53,997,645  
Warrants outstanding, Weighted Average Exercise Price $ 0.53 $ 0.5 $ 0.5
Granted, Number of Shares   3,498,637 0
Granted, Weighted Average Exercise Price   $ 0.41 $ 0
Exercised, Number of Shares   0 0
Exercised, Weighted Average Exercise Price   $ 0 $ 0
Cancelled / Expired, Number of Shares   (50,149,985) (837,500)
Cancelled / Expired, Weighted Average Exercise Price   $ 0.53 $ 0.75
Warrants outstanding, Number of Shares   7,346,297 53,997,645