Schedule of Stockholders' Equity Note, Warrants or Rights, Activity (Details) (USD $)	3 Months Ended
	Apr. 30, 2015
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 1	$ 59,566,708
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 2	0.024
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 3	5,882,353
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 4	0.005
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 5	(6,210,311)
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 6	0.041
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	59,238,750
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 10	0.020
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 11	$ 59,238,750
Warrants Schedule Of Stockholders' Equity Note, Warrants Or Rights, Activity 12	0.020