General form of registration statement for all companies including face-amount certificate companies

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
May 31, 2019
Feb. 28, 2022
May 31, 2021
May 31, 2020
Schedule of Stockholders' Equity Note, Warrants or Rights [Abstract]          
Warrants outstanding, Number of Shares 54,835,145 54,818,985 53,997,645 54,835,145  
Warrants outstanding, Weighted Average Exercise Price $ 0.53 $ 0.53 $ 0.5 $ 0.53 $ 0.53
Granted, Number of Shares     3,498,637 0 16,160
Granted, Weighted Average Exercise Price     $ 0.41 $ 0 $ 1.1
Exercised, Number of Shares     0 0 0
Exercised, Weighted Average Exercise Price     $ 0 $ 0 $ 0
Cancelled / Expired, Number of Shares     (50,149,985) (837,500) 0
Cancelled / Expired, Weighted Average Exercise Price     $ 0.53 $ 0.75 $ 0
Warrants outstanding, Number of Shares 54,835,145   7,346,297 53,997,645 54,835,145