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Cash and Cash Equivalents
6 Months Ended
Nov. 30, 2021
Cash and Cash Equivalents [Abstract]  
Cash and Cash Equivalents
3.Cash and Cash Equivalents

 

The Company considers short-term highly liquid investments with maturities of three months or less at the time of purchase to be cash equivalents. Cash and cash equivalents were comprised of the following as of November 30, 2021 and May 31, 2021:

 

   November 30,
2021
   May 31,
2021
 
Cash in banks  $6,214,123   $7,317,517 
Money market funds   53,687    53,129 
   $6,267,810   $7,370,646