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Stock-Based Compensation - Additional Information (Details) - USD ($)
3 Months Ended
Aug. 04, 2016
May 05, 2018
Apr. 29, 2017
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Stock options granted   138,888 0
Stock compensation expense   $ 407,000 $ 288,000
Non Employee Directors      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Number of shares of common stock issued   11,140  
Fair value of common stock issued   $ 25,401  
Restricted Stock      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares granted   56,080 484,558
RSUs      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares granted   305,161 734,268
Deferred stock      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Shares granted   21,494 19,143
Time Vested Stock Options Restricted Stock and RSU Awards      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Unrecognized stock compensation cost   $ 1,800,000  
Unrecognized stock compensation cost weighted average recognition period   25 months  
2016 Plan      
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]      
Incentive plan expiration date   Jul. 31, 2016  
Common stock reserve, shares 5,725,538    
Reduction in outstanding reserve for share granted 1.00%    
Reduction in outstanding reserve for share granted, full-value award 1.90%    
Share-based compensation arrangement by share-based payment award, description   In accordance with the terms of the 2016 Plan, any shares outstanding under the 2006 Plan at August 4, 2016 that subsequently terminate, expire or are canceled for any reason without having been exercised or paid are added back and become available for issuance under the 2016 Plan, with options and stock appreciation rights being added back on a one-for-one basis and full-value awards being added back on a 1 to 1.9 basis. At May 5, 2018, the Company had 5,763,710 shares available under the 2016 Plan.  
Shares available for grant   5,763,710  
Performance based compensation description   Plan are added back and become available for issuance under the 2016 Plan, with options and stock appreciation rights being added back on a one-for-one basis and full-value awards being added back on a 1 to1.9 basis.  
Number of additional shares authorized 525,538    
Percent of shares available for awards 5.00%    
Share-based compensation description   Except with respect to 5% of the shares available for awards under the 2016 Plan, no award will become exercisable unless such award has been outstanding for a minimum period of one year from its date of grant.