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Note L - Stockholders' Equity, Stock Plans and Other Employee Benefit Plans - Compensation Cost Charged to Expense Under All Stock-based Incentive Awards (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 30, 2025 | Mar. 31, 2024
Share-based compensation expense | $ 993 | $ 733
Share-Based Payment Arrangement, Option [Member] |  |
Share-based compensation expense | 318 | 58
Restricted Stock Units (RSUs) [Member] |  |
Share-based compensation expense | $ 675 | $ 675

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