Schedule of Stockholders' Equity Note, Warrants or Rights, Activity (Details) (USD $)	6 Months Ended
	Jul. 31, 2014
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 1	$ 58,441,729
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 2	0.026
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 3	6,924,979
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 4	0.017
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 5	0
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 6	0
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 7	0
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 8	0
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 9	65,366,708
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 10	0.025
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 11	$ 65,366,708
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 12	0.025