Allocation of Cash Proceeds Derivative Liability at Its Fair Value and Warrant at Its Relative Fair Value, with Residual Allocation of Host AVCP Note Agreement (Detail) (USD $)	3 Months Ended	6 Months Ended
	Nov. 30, 2014	Nov. 30, 2014	Sep. 26, 2014
Debt Instrument [Line Items]
Amortization Debt Discount	$ 60,699	$ 60,699
Change in Fair Value	805,575	805,575
Balance	2,866,274	2,866,274	2,000,000
AVCP convertible note payable
Debt Instrument [Line Items]
Amortization Debt Discount	60,699
Balance	1,135,316	1,135,316	1,074,617
Derivative liability
Debt Instrument [Line Items]
Change in Fair Value	805,575
Balance	1,572,613	1,572,613	767,038
Warrants (equity allocation)
Debt Instrument [Line Items]
Balance	$ 158,345	$ 158,345	$ 158,345