v3.26.1
Stock-Based Compensation - Narrative (Detail) - USD ($)
3 Months Ended
Sep. 27, 2023
Aug. 02, 2026
Aug. 03, 2025
Sep. 16, 2015
Performance Based Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation award, vested   3,475 0  
Fair value   $ 13,000    
Weighted average price per share   $ 3.7    
Remaining unrecognized compensation expense   $ 167,000    
Fair value of units expected to vest   208,000    
Performance Based Restricted Stock Units [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense   $ 19,000 $ 3,000  
Time-Based Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation award, vested   96,909    
Fair value   $ 359,000    
Weighted average price per share   $ 3.7    
Remaining unrecognized compensation expense   $ 160,000    
Weighted average period over which unrecognized compensation expense is expected to be recognized   1 year 1 month 6 days    
Fair value of units expected to vest   $ 400,000    
Time-Based Restricted Stock Units [Member] | Location, Statement of Income, Balance [Axis]: us-gaap:SellingGeneralAndAdministrativeExpense        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense   $ 131,000 $ 153,000  
2015 Equity Incentive Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of common stock authorized for issuance       1,200,000
Amended and Restated Plan [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Number of common stock authorized for issuance additional 960,000      
Number of shares available for future equity based grants   392,017