Common Stock Options and Warrants (Detail) - Warrant Activity (USD $)	6 Months Ended
	Jul. 31, 2012
Warrants at 1/31/12	3,766,666
Warrants at 1/31/12 (in Dollars per share)	$ 0.12
Warrants at 1/31/12	62 days
Warrants at 1/31/12 (in Dollars)	$ 0.00
Issued	1,000,000
Issued (in Dollars per share)	$ 0.05
Issued	2 years 335 days
Issued (in Dollars)	0.00
Expired	(3,766,666)
Expired (in Dollars per share)	$ 0.12
Expired (in Dollars)	0.00
Balance at 7/31/12	1,000,000
Balance at 7/31/12 (in Dollars per share)	$ 0.05
Balance at 7/31/12	2 years 335 days
Balance at 7/31/12 (in Dollars)	$ 0.00