Note B - Summary of Significant Accounting Policies - Significant Changes in Deferred Franchise Fees (Details) - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2024		Mar. 26, 2023
Franchise [Member]
Deferred revenues at beginning of period		$ 1,608		$ 2,097
New deferrals due to cash received and other		88		167
Revenue recognized during the period		(470)		(656)
Deferred revenues at end of period		1,226		1,608
License Royalties and Advertising Fund [Member]
Deferred revenues at beginning of period		1,406	[1]	876
New deferrals due to cash received and other		2,340		1,828
Revenue recognized during the period		(2,371)		(1,298)
Deferred revenues at end of period	[1]	$ 1,375		$ 1,406

[1] Includes $875 of deferred license royalties and $500 of deferred advertising fund revenue as of March 31, 2024 and $906 of deferred license royalties and $500 of deferred advertising fund revenue as of March 26, 2023.