Annual report [Section 13 and 15(d), not S-K Item 405]

Note 10 - Stock-based Compensation - Stock Option Compensation (Details)

v3.25.2
Note 10 - Stock-based Compensation - Stock Option Compensation (Details) - USD ($)
 12 Months Ended 24 Months Ended
Mar. 30, 2025
Mar. 31, 2024
Mar. 30, 2025
Allocated Share Based Compensation Expense $ 752,000 $ 763,000  
Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 39,000 105,000  
Fiscal Year 2023 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 7,000 54,000  
Fiscal Year 2022 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense   31,000  
Fiscal Year 2024 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 24,000 20,000  
Fiscal Year 2025 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 8,000    
Cost of Sales [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 21,000 41,000  
Cost of Sales [Member] | Fiscal Year 2023 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 6,000 22,000  
Cost of Sales [Member] | Fiscal Year 2022 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense   10,000  
Cost of Sales [Member] | Fiscal Year 2024 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 9,000 9,000  
Cost of Sales [Member] | Fiscal Year 2025 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 6,000    
Marketing and Administrative Expenses [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 18,000 64,000  
Marketing and Administrative Expenses [Member] | Fiscal Year 2023 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 1,000 32,000  
Marketing and Administrative Expenses [Member] | Fiscal Year 2022 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense   21,000  
Marketing and Administrative Expenses [Member] | Fiscal Year 2024 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 15,000 $ 11,000  
Marketing and Administrative Expenses [Member] | Fiscal Year 2025 [Member] | Share-Based Payment Arrangement, Option [Member]      
Allocated Share Based Compensation Expense 2,000    
Selling, General and Administrative Expenses [Member] | Non-vested Stock Grants [Member]      
Allocated Share Based Compensation Expense 713,000   $ 658,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2023 [Member] | Non-vested Stock Grants [Member]      
Allocated Share Based Compensation Expense 117,000   195,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2022 [Member] | Non-vested Stock Grants [Member]      
Allocated Share Based Compensation Expense 64,000   185,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2024 [Member] | Non-vested Stock Grants [Member]      
Allocated Share Based Compensation Expense 262,000   278,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2025 [Member] | Non-vested Stock Grants [Member]      
Allocated Share Based Compensation Expense $ 270,000   $ 0