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Stock Based Compensation (Details)
$ / shares in Units, $ in Thousands
9 Months Ended
Oct. 28, 2017
USD ($)
$ / shares
shares
Stock Based Compensation (Details) [Line Items]  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $ $ 900
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 2 years 255 days
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Authorized | shares 5,000,000
Share Based Compensation Arrangement By Share Based Payment Award Options And Other Than Options Outstanding Number | shares 2,600,000
Share Based Compensation Arrangement By Share Based Payment Award Options And Other Than Options Vested And Expected To Vest Exercisable Number | shares 1,500,000
Share-based Compensation Arrangement by Share-based Payment Award, Number of Shares Available for Grant | shares 5,000,000
Intrinsic Value of Stock Awards Outstanding | $ $ 1
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares $ 1.85
Restricted Stock [Member]  
Stock Based Compensation (Details) [Line Items]  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized | $ $ 3,000
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 15 months
Share-based Compensation Arrangement by Share-based Payment Award, Non-Option Equity Instruments, Granted | shares 1,572,552
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Weighted Average Grant Date Fair Value | $ / shares $ 3.56
Share-based Compensation Arrangement by Share-based Payment Award, Compensation Cost | $ $ 2,600
Share-based Compensation | $ $ 1,900