Description of Business - Additional Information (Detail) (USD $)	1 Months Ended	3 Months Ended			1 Months Ended	3 Months Ended
	Apr. 30, 2013	Apr. 30, 2013	Apr. 30, 2012	Mar. 31, 2013 Private Placement	Mar. 31, 2013 Private Placement 9% Senior Subordinated Callable Convertible Promissory Notes	Apr. 30, 2013 Private Placement 9% Senior Subordinated Callable Convertible Promissory Notes
Description Of Business [Line Items]
Debt, face amount						$ 880,000
Debt, maturity date						Feb. 15, 2016
Debt, interest rate						9.00%
Restricted shares granted to agent				7,500,000	7,500,000
Share based compensation, per share					$ 0.40
Proceeds from note payable	980,000	0	270,000
Proceeds from subscribed common stock		$ (300,000)	$ 0		$ 300,000