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5. Property and Equipment (Tables)
9 Months Ended
Feb. 28, 2019
Property, Plant and Equipment [Abstract]  
Schedule of property and equipment
   February 28,   May 31, 
   2019   2018 
Equipment  $22,731   $16,695 
Less accumulated depreciation   2,865    – 
Equipment, net  $19,866   $16,695