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Stock-Based Compensation (Details) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Feb. 03, 2018
Jan. 28, 2017
Jan. 30, 2016
Jun. 04, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense $ 2,134 $ 3,194 $ 3,773  
Maximum shares of common stock award (in shares)       3,500,000
Options to purchase outstanding common stock (in shares) 1,239,201 1,191,568    
Options exercise prices, Lower limit (in dollars per share) $ 1.11      
Options exercise prices, Upper limit (in dollars per share) $ 25.52      
Shares reserved for future stock-based grants (in shares) 737,000      
Restricted Stock Units        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Total stock-based compensation expense $ 900 $ 1,700 2,000  
Options exercise prices, Lower limit (in dollars per share) $ 8.98      
Options exercise prices, Upper limit (in dollars per share) $ 25.52      
Restricted stock units outstanding (in shares) 245,700 244,654    
Chief Executive Officer        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share based compensation accelerated expense     $ 600