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Summary of Significant Accounting Policies - Stock Based Compensation (Details) - USD ($)
$ in Thousands
9 Months Ended
Jul. 16, 2013
Oct. 31, 2015
Nov. 01, 2014
Stock-Based Compensation      
Stock-based compensation expense recognized (in dollars)   $ 1,607 $ 780
Stock Options | Employees      
Stock-Based Compensation      
Vesting period   3 years  
Stock Options | Minimum | Employees      
Stock-Based Compensation      
Expiration period   7 years  
Stock Options | Maximum | Employees      
Stock-Based Compensation      
Expiration period   10 years  
2013 Plan      
Stock-Based Compensation      
Number of additional shares of common stock authorized to be issued 700,000    
Number of shares of common stock authorized that were previously reserved but unissued under 2006 Plan 102,483    
2006 Plan      
Stock-Based Compensation      
Number of shares available for future grants   0