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Private Placement Investment - Schedule of Investment Allocation (Details) - USD ($)
12 Months Ended
Nov. 01, 2012
Aug. 16, 2012
Jan. 31, 2017
Jan. 31, 2016
Instruments:        
Annual volatility       60.10%
Risk-free rate       0.60%
Expected life       2 years
Series A Preferred Stock        
Instruments:        
Maximum conversion period 4 years      
Private Placement        
Instruments:        
Total investment, Fair Value   $ 18,463,397    
Proceeds allocation   12,000,000    
Private Placement | Common Stock Warrant        
Instruments:        
Warrants, Fair Value   2,856,000    
Proceeds allocation   $ 1,688,116    
Annual volatility   75.00%    
Risk-free rate   0.90%    
Dividend yield   0.00%    
Expected life   5 years    
Private Placement | Convertible Subordinated Notes Payable        
Instruments:        
Convertible subordinated notes payable, Fair Value   $ 5,699,577    
Proceeds allocation   3,765,738    
Private Placement | Series A Preferred Stock        
Instruments:        
Series A Preferred Stock, Fair Value   9,907,820    
Proceeds allocation   $ 6,546,146    
Conversion basis (in shares)   1    
Maximum conversion period   4 years    
Stock price at time of conversion (in USD per share)     $ 3.00  
Annual volatility   75.00%    
Risk-free rate   0.90%    
Dividend yield   0.00%    
Private Placement | Minimum | Series A Preferred Stock        
Instruments:        
Stock price at time of conversion (in USD per share)   $ 3.00    
Private Placement | Maximum | Series A Preferred Stock        
Instruments:        
Stock price at time of conversion (in USD per share)   $ 8.00