Quarterly report pursuant to Section 13 or 15(d)

Note 13 - Stock-based Compensation - Stock Option Compensation (Details)

v3.21.2
Note 13 - Stock-based Compensation - Stock Option Compensation (Details) - USD ($)
 3 Months Ended 6 Months Ended
Sep. 26, 2021
Sep. 27, 2020
Sep. 26, 2021
Sep. 27, 2020
Allocated Share Based Compensation Expense $ 208,000 $ 100,000 $ 340,000 $ 186,000
Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 47,000 13,000 80,000 28,000
Fiscal Year 2020 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 0 5,000 7,000 13,000
Fiscal Year 2019 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense     0 6,000
Fiscal Year 2021 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 10,000 8,000 30,000 9,000
Fiscal Year 2022 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 37,000 0 43,000 0
Cost of Sales [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 12,000 6,000 21,000 12,000
Cost of Sales [Member] | Fiscal Year 2020 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 0 2,000 3,000 5,000
Cost of Sales [Member] | Fiscal Year 2019 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense     0 3,000
Cost of Sales [Member] | Fiscal Year 2021 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 3,000 4,000 7,000 4,000
Cost of Sales [Member] | Fiscal Year 2022 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 9,000 0 11,000 0
Marketing and Administrative Expenses [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 35,000 7,000 59,000 16,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2020 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 0 3,000 4,000 8,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2019 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense     0 3,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2021 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 7,000 4,000 23,000 5,000
Marketing and Administrative Expenses [Member] | Fiscal Year 2022 [Member] | Share-based Payment Arrangement, Option [Member]        
Allocated Share Based Compensation Expense 28,000 0 32,000 0
Selling, General and Administrative Expenses [Member] | Non-vested Stock Grants [Member]        
Allocated Share Based Compensation Expense 161,000 87,000 260,000 158,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2020 [Member] | Non-vested Stock Grants [Member]        
Allocated Share Based Compensation Expense 10,000 30,000 40,000 60,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2019 [Member] | Non-vested Stock Grants [Member]        
Allocated Share Based Compensation Expense 0 25,000 0 62,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2021 [Member] | Non-vested Stock Grants [Member]        
Allocated Share Based Compensation Expense 52,000 32,000 104,000 36,000
Selling, General and Administrative Expenses [Member] | Fiscal Year 2022 [Member] | Non-vested Stock Grants [Member]        
Allocated Share Based Compensation Expense $ 99,000 $ 0 $ 116,000 $ 0