Quarterly report pursuant to Section 13 or 15(d)

Nature of Business and Significant Accounting Policies - Additional Information (Detail)

v2.4.1.9
Nature of Business and Significant Accounting Policies - Additional Information (Detail) (USD $)
Nov. 30, 2014
May 31, 2014
Nov. 30, 2013
May 31, 2013
Mar. 31, 2011
Organization And Summary Of Significant Accounting Policies [Line Items]          
Cash or cash equivalents $ 0us-gaap_CashAndCashEquivalentsAtCarryingValue $ 0us-gaap_CashAndCashEquivalentsAtCarryingValue $ 0us-gaap_CashAndCashEquivalentsAtCarryingValue $ 0us-gaap_CashAndCashEquivalentsAtCarryingValue $ 0us-gaap_CashAndCashEquivalentsAtCarryingValue