Annual report pursuant to Section 13 and 15(d)

Note 9 - Stock-based Compensation - Stock Option Compensation (Details)

v3.24.1.1.u2
Note 9 - Stock-based Compensation - Stock Option Compensation (Details) - USD ($)
 12 Months Ended
Mar. 31, 2024
Apr. 02, 2023
Allocated Share Based Compensation Expense $ 763,000 $ 1,100,000
Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 105,000 212,000
Fiscal Year 2022 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 31,000 126,000
Fiscal Year 2021 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense   45,000
Fiscal Year 2023 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 54,000 41,000
Fiscal Year 2024 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 20,000  
Cost of Sales [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 41,000 61,000
Cost of Sales [Member] | Fiscal Year 2022 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 10,000 40,000
Cost of Sales [Member] | Fiscal Year 2021 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense   4,000
Cost of Sales [Member] | Fiscal Year 2023 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 22,000 17,000
Cost of Sales [Member] | Fiscal Year 2024 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 9,000  
Marketing and Administrative Expenses [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 64,000 151,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2022 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 21,000 86,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2021 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense   41,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2023 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 32,000 24,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2024 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 11,000  
Selling, General and Administrative Expenses [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense 658,000 893,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2022 [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense 185,000 576,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2021 [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense 0 48,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2023 [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense 195,000 269,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2024 [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense $ 278,000 $ 0