Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable (Details)

v3.20.2
Accounts Receivable (Details) - USD ($)
3 Months Ended
Aug. 31, 2020
Aug. 31, 2019
May 31, 2020
Receivables [Abstract]      
Accounts Receivable, after Allowance for Credit Loss, Current $ 462,504   $ 161,409
Accounts Receivable, Credit Loss Expense (Reversal) 5,992 $ 0  
Accounts Receivable, Allowance for Credit Loss, Writeoff 7,668    
Proceeds, Accounts Receivable, Previously Written Off, Recovery 1,746    
Accounts Receivable, Allowance for Credit Loss $ 0 $ 0