Quarterly report pursuant to Section 13 or 15(d)

Note 5 - Accounts Receivable (Details)

v3.19.3
Note 5 - Accounts Receivable (Details) - USD ($)
Aug. 31, 2019
May 31, 2019
Aug. 31, 2018
Receivables [Abstract]      
Accounts Receivable, after Allowance for Credit Loss, Current $ 229,932 $ 163,571  
Accounts Receivable, Allowance for Credit Loss, Current $ 0   $ 0