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Stock-Based Compensation - Stock Options (Details) - USD ($)
12 Months Ended
Feb. 01, 2020
Feb. 02, 2019
Feb. 03, 2018
Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Share-based Compensation Arrangement by Share-based Payment Award, Expiration Period 10 years    
Options to purchase outstanding common stock (in shares) 381,513 896,345  
Vesting period of options issued to employees 4 years    
Weighted average grant date fair value of options granted (in dollars per share) $ 3.28 $ 6.18 $ 4.23
Share-based Compensation Arrangement by Share-based Payment Award, Options, Vested in Period, Fair Value $ 543,000 $ 834,000 $ 1,160,000
Share-based Compensation Arrangement by Share-based Payment Award, Options, Exercises in Period, Intrinsic Value 0 $ 684,000 $ 58,000
Unrecognized stock compensation expense $ 264,000    
Weighted average expected recognition period of stock compensation expense 2 years 9 months 13 days    
In-the-Money Stock Options      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Options to purchase outstanding common stock (in shares) 0