v3.26.1
Stock-Based Compensation - Narrative (Detail) - USD ($)
10 Months Ended 12 Months Ended
Sep. 25, 2025
Sep. 26, 2024
[2]
Sep. 28, 2023
[2]
Sep. 27, 2023
Apr. 28, 2024
May 03, 2026
Apr. 27, 2025
Apr. 28, 2024
Sep. 16, 2015
Time Based Restricted Stock Units [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Remaining unrecognized compensation cost           $ 291,000      
Weighted average period over which unrecognized compensation cost is expected to be recognized           1 year      
Fair value of units expected to vest           $ 720,000      
Common Stock Awarded           96,235 91,629 174,754  
Performance Based Restricted Stock Units [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Remaining unrecognized compensation cost           $ 191,000      
Weighted average period over which unrecognized compensation cost is expected to be recognized           2 years 2 months 12 days      
Fair value of units expected to vest           $ 218,000      
Selling, General and Administrative Expenses [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation expense               $ 84,000  
Selling, General and Administrative Expenses [Member] | Time Based Restricted Stock Units [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation expense           550,000 $ 644,000 823,000  
Selling, General and Administrative Expenses [Member] | Performance Based Restricted Stock Units [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Share-based compensation expense           $ 75,000 $ 6,000 $ 8,000  
Board of Directors [Member] | Immediate Vesting [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common Stock Awarded           0 0    
Outside Directors [Member] | Time Based Restricted Stock Units [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common Stock Awarded 80,335 [1] 46,823 59,929            
Price Per Share [1] $ 4.17 $ 5.98 $ 5.59            
Outside Directors [Member] | Immediate Vesting [Member]                  
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                  
Common Stock Awarded         16,616        
Price Per Share         $ 5.04        
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           387,293      
[1] Price per share represents the closing price of our common stock on the date the respective award was granted.
[2] Time-based restricted stock units award to outside directors.