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8. Website development (Tables)
9 Months Ended
Feb. 28, 2019
Goodwill and Intangible Assets Disclosure [Abstract]  
Website development
   February 28,
2019
  


May 31,

2018

 
Website development  $290,823   $220,598 
Less: Accumulated Amortization   (124,668)   (116,320)
   $166,155   $104,278