Annual report pursuant to Section 13 and 15(d)

Derivative Liability - Additional Information (Detail)

v3.5.0.2
Derivative Liability - Additional Information (Detail) - USD ($)
12 Months Ended
May 31, 2016
May 31, 2015
Derivative [Line Items]    
Change in fair value of derivative liability $ 646,505 $ (838,643)
AVCP Convertible Notes    
Derivative [Line Items]    
Change in fair value of derivative liability $ 647,000 $ 839,000