Summary of Restricted Stock Award (Detail) (USD $)	9 Months Ended	12 Months Ended
	Oct. 31, 2013	Jan. 31, 2013
Schedule Of Share Based Compensation Restricted Stock Units Award Activity [Line Items]
Shares,Balance, January 31, 2013	3,690,000
Shares,Granted	62,000
Shares,Released	0
Shares,Balance, October 31, 2013	3,752,000	3,690,000
Balance, Weighted Average Remaining Life (Years)	1 year 3 months 18 days	1 year 10 months 24 days
Balance, Weighted Average Remaining Life,Granted	1 year 8 months 12 days
Aggregate Intrinsic Value,Balance, January 31, 2013	$ 36,900
Aggregate Intrinsic Value,Granted	620
Aggregate Intrinsic Value,Balance, October 31, 2013	$ 37,520	$ 36,900
Weighted Average Fair Value,Balance, January 31, 2013	$ 0.01
Weighted Average Fair Value,Granted	$ 0.01
Weighted Average Fair Value,Balance, October 31, 2013	$ 0.01	$ 0.01