Quarterly report pursuant to sections 13 or 15(d)

Activity Related to Notes (Detail)

v2.4.0.8
Activity Related to Notes (Detail) (USD $)
6 Months Ended 12 Months Ended
Nov. 30, 2013
May 31, 2013
Debt Instrument [Line Items]    
Face amount of notes $ 7,221,250 $ 6,588,250
Unamortized discount (2,692,486) (4,539,886)
Exercise of right of repayment (250,000)  
Conversions (2,350,000) (567,000)
Total carry value of Notes 1,928,764 1,481,364
Short-term portion of Notes (294,094) (328,347)
Long-term portion of Notes $ 1,634,670 $ 1,153,017