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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 9 Months Ended 12 Months Ended
Oct. 28, 2017
Oct. 29, 2016
Oct. 28, 2017
Oct. 29, 2016
Jan. 28, 2017
Jan. 30, 2016
Jan. 31, 2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Stock-based compensation     $ 1,437 $ 2,463      
Nonvested Restricted Stock Awards              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Issuance of nonvested stock units 0 0 0 162      
Nonvested stock issued, weighted average grant date fair value per share       $ 11.25      
Vesting period       3 years      
Vesting percentage       0.33%      
Nonvested stock units outstanding, weighted average grant date fair value per share $ 11.25 $ 11.25 $ 11.25 $ 11.25 $ 11.25    
Nonvested Performance-Based Stock Awards              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Issuance of nonvested stock units 0 0 0 159      
Nonvested stock issued, weighted average grant date fair value per share       $ 11.25      
Nonvested stock units outstanding, weighted average grant date fair value per share $ 11.25   $ 11.25   $ 11.25    
Target number of shares subject to award         73    
Restricted Stock Units (RSUs)              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Issuance of nonvested stock units     456 29      
Nonvested stock issued, weighted average grant date fair value per share     $ 5.09 $ 9.81      
Nonvested stock units outstanding, weighted average grant date fair value per share $ 5.13 $ 7.23 $ 5.13 $ 7.23 $ 7.17 $ 7.15  
Employees | Restricted Stock Units (RSUs)              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Issuance of nonvested stock units     456        
Nonvested stock issued, weighted average grant date fair value per share     $ 5.09        
Employees And Board Of Directors | Restricted Stock Units (RSUs)              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Issuance of nonvested stock units   29   29      
Nonvested stock issued, weighted average grant date fair value per share   $ 9.81   $ 9.81      
Employee Stock Plans | 2013 Plan              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Number of shares available for awards 1,392   1,392        
Number of awards outstanding 594   594        
Employee Stock Purchase Plan              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Number of shares available for awards 690   690        
Maximum number of shares subject to award             800
Shares issued under ESPP     51        
Selling, General and Administrative Expenses              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Stock-based compensation $ 386 $ 905 $ 1,437 $ 2,463