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Marketable Securities (Tables)
3 Months Ended
Aug. 31, 2022
Investments, Debt and Equity Securities [Abstract]  
Schedule of major categories of assets measured at fair value on a recurring basis
August 31, 2022  Level 1   Level 2   Level 3   Total 
Equity Securities  $25,536   $
        -
   $
        -
   $25,536 

 

May 31, 2022  Level 1   Level 2   Level 3   Total 
Equity Securities  $35,536   $
         -
   $
            -
   $35,536 

 

Schedule of marketable securities
August 31, 2022  Amortized
Cost
   Gross
Unrealized
Holding
Gains
   Gross
Unrealized
Holding
Losses
   Recorded
Value
 
Equity Securities  $16,866   $8,670   $
         -
   $25,536 

 

May 31, 2022  Amortized
Cost
   Gross
Unrealized
Holding
Gains
   Gross
Unrealized
Holding
Losses
   Recorded
Value
 
Equity Securities  $16,866   $18,670   $
           -
   $35,536