Quarterly report pursuant to Section 13 or 15(d)

Activity Related to Notes (Detail)

v2.4.0.8
Activity Related to Notes (Detail) (USD $)
12 Months Ended
May 31, 2014
Aug. 31, 2014
Debt Instrument [Line Items]    
Face amount of notes $ 7,221,250 $ 4,271,250
Unamortized discount (1,932,566) (1,576,691)
Repayments (500,000)  
Conversions (2,450,000)  
Total carrying value of Notes, long-term $ 2,338,684 $ 2,694,559