Annual report pursuant to Section 13 and 15(d)

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

v3.21.1
Note 9 - Stock-based Compensation - Stock Option Compensation (Details) - USD ($)
12 Months Ended
Mar. 28, 2021
Mar. 29, 2020
Allocated Share Based Compensation Expense $ 394,000 $ 297,000
Share-based Payment Arrangement, Option [Member]    
Allocated Share Based Compensation Expense 63,000 42,000
Share-based Payment Arrangement, Option [Member] | Cost of Sales [Member]    
Allocated Share Based Compensation Expense 22,000 22,000
Share-based Payment Arrangement, Option [Member] | Marketing and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense 41,000 20,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2019 [Member]    
Allocated Share Based Compensation Expense 5,000 18,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2019 [Member] | Cost of Sales [Member]    
Allocated Share Based Compensation Expense 2,000 10,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2019 [Member] | Marketing and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense 3,000 8,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2018 [Member]    
Allocated Share Based Compensation Expense   6,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2018 [Member] | Cost of Sales [Member]    
Allocated Share Based Compensation Expense   5,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2018 [Member] | Marketing and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense   1,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2020 [Member]    
Allocated Share Based Compensation Expense 25,000 18,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2020 [Member] | Cost of Sales [Member]    
Allocated Share Based Compensation Expense 10,000 7,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2020 [Member] | Marketing and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense 15,000 11,000
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2021 [Member]    
Allocated Share Based Compensation Expense 33,000  
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2021 [Member] | Cost of Sales [Member]    
Allocated Share Based Compensation Expense 10,000  
Share-based Payment Arrangement, Option [Member] | Fiscal Year 2021 [Member] | Marketing and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense 23,000  
Non-vested Stock Grants [Member] | Selling, General and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense 331,000 255,000
Non-vested Stock Grants [Member] | Selling, General and Administrative Expenses [Member] | Employee [Member]    
Allocated Share Based Compensation Expense 105,000 73,000
Non-vested Stock Grants [Member] | Selling, General and Administrative Expenses [Member] | Non Employee Directors [Member]    
Allocated Share Based Compensation Expense 226,000 182,000
Non-vested Stock Grants [Member] | Fiscal Year 2019 [Member] | Selling, General and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense 87,000 149,000
Non-vested Stock Grants [Member] | Fiscal Year 2019 [Member] | Selling, General and Administrative Expenses [Member] | Employee [Member]    
Allocated Share Based Compensation Expense 61,000 73,000
Non-vested Stock Grants [Member] | Fiscal Year 2019 [Member] | Selling, General and Administrative Expenses [Member] | Non Employee Directors [Member]    
Allocated Share Based Compensation Expense 26,000 76,000
Non-vested Stock Grants [Member] | Fiscal Year 2018 [Member] | Selling, General and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense   26,000
Non-vested Stock Grants [Member] | Fiscal Year 2018 [Member] | Selling, General and Administrative Expenses [Member] | Employee [Member]    
Allocated Share Based Compensation Expense  
Non-vested Stock Grants [Member] | Fiscal Year 2018 [Member] | Selling, General and Administrative Expenses [Member] | Non Employee Directors [Member]    
Allocated Share Based Compensation Expense   26,000
Non-vested Stock Grants [Member] | Fiscal Year 2020 [Member] | Selling, General and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense 120,000 80,000
Non-vested Stock Grants [Member] | Fiscal Year 2020 [Member] | Selling, General and Administrative Expenses [Member] | Employee [Member]    
Allocated Share Based Compensation Expense
Non-vested Stock Grants [Member] | Fiscal Year 2020 [Member] | Selling, General and Administrative Expenses [Member] | Non Employee Directors [Member]    
Allocated Share Based Compensation Expense 120,000 $ 80,000
Non-vested Stock Grants [Member] | Fiscal Year 2021 [Member] | Selling, General and Administrative Expenses [Member]    
Allocated Share Based Compensation Expense 124,000  
Non-vested Stock Grants [Member] | Fiscal Year 2021 [Member] | Selling, General and Administrative Expenses [Member] | Employee [Member]    
Allocated Share Based Compensation Expense 44,000  
Non-vested Stock Grants [Member] | Fiscal Year 2021 [Member] | Selling, General and Administrative Expenses [Member] | Non Employee Directors [Member]    
Allocated Share Based Compensation Expense $ 80,000