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Note B - Summary of Significant Accounting Policies - Significant Changes in Deferred Franchise Fees (Details) - USD ($) $ in Thousands | 12 Months Ended
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Mar. 30, 2025 | Mar. 31, 2024
Franchise [Member] |  |
Deferred revenues at beginning of period | $ 1,226 | $ 1,608
New deferrals due to cash received and other | 161 | 88
Revenue recognized during the period | (381) | (470)
Deferred revenues at end of period | 1,006 | 1,226
License Royalties and Advertising Fund [Member] |  |
Deferred revenues at beginning of period | 1,375 | 1,406
New deferrals due to cash received and other | 2,577 | 2,340
Revenue recognized during the period | (2,560) | (2,371)
Deferred revenues at end of period | $ 1,392 | $ 1,375

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