Note N - Share-based Compensation - Compensation Cost Charged to Expense Under All Stock-based Incentive Awards (Details) - USD ($) $ in Thousands |
3 Months Ended | 9 Months Ended | ||
|---|---|---|---|---|
Dec. 25, 2022 |
Dec. 26, 2021 |
Dec. 25, 2022 |
Dec. 26, 2021 |
|
| Share-based compensation expense | $ 65 | $ 8 | $ 81 | $ 66 |
| Share-Based Payment Arrangement, Option [Member] | ||||
| Share-based compensation expense | 8 | 8 | 24 | 52 |
| Restricted Stock [Member] | ||||
| Share-based compensation expense | $ 57 | $ 0 | $ 57 | $ 14 |