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Consolidated Statements of Financial (Parenthetical) - $ / shares
Nov. 30, 2021
May 31, 2021
Statement Of Financial Position [Abstract]    
Common stock, par value $ 0.0001 $ 0.0001
Common stock, shares authorized 990,000,000 990,000,000
Common stock, shares issued 463,802,393 265,423,304
Common stock, shares outstanding 463,802,393 265,423,304