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Stock-Based Compensation - Additional Information (Details) - USD ($)
3 Months Ended
Aug. 05, 2021
Aug. 12, 2020
Aug. 08, 2019
Aug. 04, 2016
Apr. 29, 2023
Apr. 30, 2022
Jan. 28, 2023
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Stock compensation expense         $ 404,000 $ 366,000  
Non Employee Directors              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Number of shares of common stock issued         12,376    
Fair value of common stock issued         $ 88,117    
RSUs              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Fully-vested shares         250,547,000    
Time Vested Stock Options and RSU Awards              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Unrecognized stock compensation cost         $ 1,700,000    
Unrecognized stock compensation cost weighted average recognition period         27 months    
2016 Plan              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
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%      
Shares available for grant         3,916,695    
Number of additional shares authorized to increase share reserve 4,855,000 1,740,000 2,800,000        
Share-based compensation arrangement by share-based payment award, description         In accordance with the terms of the 2016 Plan, any shares outstanding under the previous 2006 Incentive Compensation Plan (the “2006 Plan”) at August 4, 2016 that subsequently terminate, expire or are cancelled for any reason without having been exercised or paid are added back and become available for issuance under the 2016 Plan, with stock options being added back on a one-for-one basis and full-value awards being added back on a 1 to 1.9 basis. At April 29, 2023, 108,602 stock options remained outstanding under the 2006 Plan.    
Stock option outstanding         3,463,898   3,556,434
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.    
Options granted         1,316 2,040  
Shares granted         273,711    
Fully-vested shares         253,391    
2016 Plan | RSUs              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Shares granted         270,867 494,444  
Fully-vested shares         250,547    
2016 Plan | Fully-vested shares              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Shares granted         2,844    
Fully-vested shares         2,844 9,352  
2006 Plan              
Share Based Compensation Arrangement By Share Based Payment Award [Line Items]              
Stock option outstanding         108,602