Quarterly report pursuant to sections 13 or 15(d)

Rescission Liabilities - Additional Information (Detail)

v2.4.0.8
Rescission Liabilities - Additional Information (Detail) (USD $)
Nov. 30, 2013
May 31, 2013
Deferred Compensation Arrangement with Individual, Excluding Share-based Payments and Postretirement Benefits [Line Items]    
Rescission liability $ 536,500 $ 536,500