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Cash and Cash Equivalents
9 Months Ended
Feb. 28, 2022
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 February 28, 2022 and May 31, 2021:

 

   February 28,
2022
   May 31,
2021
 
         
Cash in banks  $5,941,186   $7,317,517 
Money market funds   545,019    53,129 
           
   $6,486,205   $7,370,646