Quarterly report pursuant to Section 13 or 15(d)

Derivative Liability - Additional Information (Detail)

v3.3.1.900
Derivative Liability - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Nov. 30, 2014
Nov. 30, 2015
Nov. 30, 2014
Derivative [Line Items]      
Change in fair value of derivative liability $ (805,575) $ 646,505 $ (805,575)
AVCP Convertible Notes      
Derivative [Line Items]      
Change in fair value of derivative liability   $ 646,000