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Derivative Liabilities (Details) - USD ($)
12 Months Ended
Oct. 19, 2012
Aug. 16, 2012
Jan. 31, 2017
Jan. 31, 2016
Oct. 31, 2012
Derivative [Line Items]          
Warrants exercisable (in shares) (up to)   1,200,000      
Exercise price (in USD per share)   $ 3.99      
Net of transaction costs, allocated to the warrants   $ 1,425,000      
Fair value of warrants     $ 46,191 $ 205,113  
Valuation adjustment for warrants liability     $ 158,922 $ 1,629,267  
Annual volatility     62.60%    
Risk-free rate     0.50%    
Dividend yield     0.00%    
Expected life     1 year    
Annual volatility       60.10%  
Risk-free rate       0.60%  
Dividend yield       $ 0  
Expected life       2 years  
Estimate of Fair Value          
Derivative [Line Items]          
Fair value of warrants     $ 46,000 $ 205,000  
Common Stock Warrant          
Derivative [Line Items]          
Warrants exercisable (in shares) (up to)     1,400,000    
Exercise price (in USD per share)     $ 4.00    
Placement Agent | Common Stock Warrant          
Derivative [Line Items]          
Warrants exercisable (in shares) (up to) 200,000        
Exercise price (in USD per share) $ 4.06        
Annual volatility 75.00%        
Risk-free rate 0.90%        
Expected life 5 years        
Placement Agent | Common Stock Warrant | Estimate of Fair Value          
Derivative [Line Items]          
Fair value of warrants         $ 4,139,000