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Stock-Based Compensation - Restricted Stock Awards (Details) - USD ($)
3 Months Ended
Nov. 18, 2014
Apr. 30, 2016
May. 02, 2015
Mar. 20, 2015
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation   $ 237,000 $ 609,000  
Unrecognized compensation cost related to non-vested awards   $ 880,000    
Award Vesting Period   3 years    
Restricted Stock [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation   $ 117,000 348,000  
Unrecognized compensation cost related to non-vested awards   $ 1,157,000    
Weighted average remaining contractual term   1 year 10 months 27 days    
Restricted stock vested in period, total fair value   $ 23,000 $ 88,000  
Granted   368,000    
Award Vesting Period 3 years      
Total grant date fair value   $ 187,101   $ 417,593
Non-vested shares outstanding, end of period   934,000    
Fiscal 2015 - Restricted Stock - Time Based [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Granted     67,786