Derivative Liability (Details) - USD ($)	9 Months Ended
	Oct. 31, 2015	Jan. 31, 2015	Dec. 07, 2011
Derivative [Line Items]
Derivative liability	$ 932,000	$ 28,448,000
Series B Preferred Stock [Member]
Derivative [Line Items]
Preferred stock, shares issued	1,000
Fair value of Series B Preferred Stock			$ 15,000,000
Five-Year Senior Secured Term Loan [Member] | Senior Secured Term Loan [Member]
Derivative [Line Items]
Term loan maturity period	5 years
Face amount	$ 60,000,000