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Stock-Based Compensation - Restricted Stock Awards Market Based Restricted Stock (Details) - USD ($)
3 Months Ended
Nov. 18, 2014
Apr. 30, 2016
May. 02, 2015
Jan. 30, 2016
Mar. 20, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   3 years      
Granted, weighted average grant date fair value   $ 0.85 $ 4.35    
Expected Term   6 years 6 years    
Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period 3 years        
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   368,000      
Share Based Compensation Arrangement by Share Based Payment Award Equity Intstrument Other than Options Aggregate Value   $ 187,101     $ 417,593
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number   934,000   861,000  
Fiscal 2016 - Restricted Stock - Total Shareholder Return [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   179,156      
Share Based Compensation Arrangement by Share Based Payment Award Equity Intstrument Other than Options Aggregate Value   $ 223,571      
Fiscal 2016 - Restricted Stock - Time Based [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period   188,991      
Fiscal 2015 - Restricted Stock - Total Shareholder Return [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Risk Free Interest Rate     0.90%    
Granted, weighted average grant date fair value     $ 7.26    
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Grants in Period     106,963    
Share Based Compensation Arrangement by Share Based Payment Award Equity Intstrument Other than Options Aggregate Value     $ 776,865    
Less than 33% [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted Stock, Vesting Criteria, Total Shareholder Return   0.00% 0.00%    
Greater than 33% [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted Stock, Vesting Criteria, Total Shareholder Return   50.00% 50.00%    
Greater than 50% [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted Stock, Vesting Criteria, Total Shareholder Return   100.00% 100.00%    
Greater than 100% [Member] | Restricted Stock [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Restricted Stock, Vesting Criteria, Total Shareholder Return   150.00% 150.00%    
Minimum [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period   3 years      
Minimum [Member] | Fiscal 2016 - Restricted Stock - Total Shareholder Return [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Risk Free Interest Rate   0.90%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate   71.00%      
Granted, weighted average grant date fair value   $ 0.98      
Minimum [Member] | Fiscal 2015 - Restricted Stock - Total Shareholder Return [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate     54.00%    
Maximum [Member] | Fiscal 2016 - Restricted Stock - Total Shareholder Return [Domain]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Risk Free Interest Rate   1.00%      
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate   73.00%      
Granted, weighted average grant date fair value   $ 1.72      
Maximum [Member] | Fiscal 2015 - Restricted Stock - Total Shareholder Return [Member]          
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]          
Share-based Compensation Arrangement by Share-based Payment Award, Fair Value Assumptions, Expected Volatility Rate     55.00%