v3.25.2
Stock-Based Compensation - Narrative (Detail) - USD ($)
3 Months Ended
Sep. 27, 2023
Aug. 03, 2025
Jul. 28, 2024
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   0 0  
Remaining unrecognized compensation expense   $ 10,000    
Weighted average period over which unrecognized compensation expense is expected to be recognized   1 year    
Fair value of units expected to vest   $ 18,000    
Performance Based Restricted Stock Units [Member] | Selling, General and Administrative Expenses [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense   $ 3,000 $ 6,000  
Time-Based Restricted Stock Units [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation award, vested   60,553 30,835  
Fair value   $ 277,000 $ 157,000  
Price per share   $ 4.57 $ 5.1  
Remaining unrecognized compensation expense   $ 392,000    
Weighted average period over which unrecognized compensation expense is expected to be recognized   1 year 4 months 24 days    
Fair value of units expected to vest   $ 852,000    
Time-Based Restricted Stock Units [Member] | Selling, General and Administrative Expenses [Member]        
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]        
Share-based compensation expense   $ 153,000 $ 170,000  
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   669,853