Quarterly report pursuant to Section 13 or 15(d)

Accounts Receivable

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Accounts Receivable
6 Months Ended
Nov. 30, 2019
Receivables [Abstract]  
Loans, Notes, Trade and Other Receivables Disclosure [Text Block]

Note 5 – Accounts Receivable


Accounts receivable was $273,788 and $163,571 at November 30, 2019 and May 31, 2019, respectively. No allowance for doubtful accounts was necessary during the three and six months ended November 30, 2019 and 2018.