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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 6 Months Ended
Aug. 04, 2018
Jul. 29, 2017
Aug. 04, 2018
Jul. 29, 2017
Feb. 03, 2018
Jan. 28, 2017
Jan. 31, 2015
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Stock-based compensation     $ 2,054 $ 1,052      
Net share settlements 0 0          
Nonvested Restricted Stock Awards              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Issuance of nonvested stock units 0 0 0 0      
Nonvested stock units outstanding, weighted average grant date fair value per share $ 11.25 $ 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   0 163 0      
Nonvested stock issued, weighted average grant date fair value per share     $ 4.91        
Vesting period     3 years        
Vesting percentage     33.33%        
Maximum number of shares subject to award 326   326        
Nonvested stock units outstanding, weighted average grant date fair value per share $ 5.15 $ 11.25 $ 5.15 $ 11.25 11.25 11.25  
Target number of shares subject to award     163        
Nonvested Stock Unit Awards              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Issuance of nonvested stock units     319 456      
Nonvested stock issued, weighted average grant date fair value per share     $ 4.87 $ 5.09      
Nonvested stock units outstanding, weighted average grant date fair value per share $ 4.89 $ 5.12 $ 4.89 $ 5.12 $ 5.15 $ 7.17  
Employees | Nonvested Stock Unit Awards              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Issuance of nonvested stock units     319 456      
Nonvested stock issued, weighted average grant date fair value per share     $ 4.87 $ 5.09      
Vesting period     3 years        
Vesting percentage     33.33%        
Board Of Directors | Nonvested Stock Unit Awards              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Vesting period     12 months        
Vesting percentage     8.33%        
Employees And Board Of Directors | Nonvested Stock Unit Awards              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Issuance of nonvested stock units 69 284          
Nonvested stock issued, weighted average grant date fair value per share $ 5.22 $ 5.38          
Employee Stock Plans | 2013 Plan              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Number of shares available for awards 304   304        
Number of awards outstanding 659   659        
Employee Stock Purchase Plan              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Number of shares available for awards 607   607        
Maximum number of shares subject to award             800
Stock Issued During Period Shares Employee Stock Purchase Plans     0        
Selling, General and Administrative Expenses              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Stock-based compensation $ 482 $ 399 $ 2,054 $ 1,052