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Derivative Liability (Details) - USD ($)
6 Months Ended
Aug. 01, 2015
Jan. 31, 2015
Dec. 07, 2011
Derivative [Line Items]      
Derivative liability $ 3,650,000 $ 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    
Debt Instrument, Face Amount $ 60,000,000