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

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

v3.21.2
Stockholders' Equity (Details) - Schedule of Stockholders' Equity Note, Warrants or Rights - $ / shares
9 Months Ended 12 Months Ended
May 31, 2019
Nov. 30, 2018
Nov. 14, 2018
Sep. 06, 2018
Aug. 14, 2018
May 31, 2018
Feb. 28, 2021
May 31, 2020
May 31, 2019
Schedule of Stockholders' Equity Note, Warrants or Rights [Abstract]                  
Warrants outstanding, Number of Shares 54,818,985         4,495,750 54,835,145 54,818,985  
Warrants outstanding, Weighted Average Exercise Price $ 0.53         $ 0.61 $ 0.53 $ 0.53 $ 0.53
Granted, Number of Shares             0 16,160 50,738,235
Granted, Weighted Average Exercise Price   $ 33,463,838         $ 0 $ 1.10 $ 0.653
Exercised, Number of Shares     25,000 40,000 350,000   0 0 (415,000)
Exercised, Weighted Average Exercise Price             $ 0 $ 0 $ 0.75
Cancelled / Expired, Number of Shares             (425,000) 0 0
Cancelled / Expired, Weighted Average Exercise Price             $ 0.75 $ 0 $ 0
Warrants outstanding, Number of Shares 54,818,985           54,410,145 54,835,145 54,818,985