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5. Intangible Assets (Tables)
9 Months Ended
Feb. 28, 2015
Goodwill and Intangible Assets Disclosure [Abstract]  
Intangible assets
   February 28,   May 31, 
   2015   2014 
Website development costs  $200,268   $171,918 
Less: accumulated amortization   (89,400)   (77,640)
   $110,868   $94,278