Annual report pursuant to Section 13 and 15(d)

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

v3.22.1
Note 9 - Stock-based Compensation - Stock Option Compensation (Details) - USD ($)
 12 Months Ended
Apr. 03, 2022
Mar. 28, 2021
Allocated Share Based Compensation Expense $ 834,000 $ 394,000
Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 181,000 63,000
Fiscal Year 2020 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 7,000 25,000
Fiscal Year 2019 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense   5,000
Fiscal Year 2021 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 78,000 33,000
Fiscal Year 2022 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 96,000  
Cost of Sales [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 47,000 22,000
Cost of Sales [Member] | Fiscal Year 2020 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 3,000 10,000
Cost of Sales [Member] | Fiscal Year 2019 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense   2,000
Cost of Sales [Member] | Fiscal Year 2021 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 14,000 10,000
Cost of Sales [Member] | Fiscal Year 2022 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 30,000  
Marketing and Administrative Expenses [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 134,000 41,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2020 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 4,000 15,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2019 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense   3,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2021 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 64,000 23,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2022 [Member] | Share-Based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 66,000  
Selling, General and Administrative Expenses [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense 653,000 331,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2020 [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense 40,000 120,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2019 [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense 0 87,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2021 [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense 207,000 124,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2022 [Member] | Non-vested Stock Grants [Member]    
Allocated Share Based Compensation Expense $ 406,000 $ 0