XML 20 R9.htm IDEA: XBRL DOCUMENT v3.10.0.1
Cash and Cash Equivalents
6 Months Ended
Nov. 30, 2018
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, 2018 and May 31, 2018:

 

     November 30,
2018
   May 31,
2018
 
  Cash in banks  $3,941,517   $4,723,700 
  Money market funds   607,941    599,737 
             
     $4,549,458   $5,323,437