Note B - Summary of Significant Accounting Policies - Disaggregation of Revenue (Details) - USD ($) $ in Thousands		12 Months Ended
		Mar. 31, 2019	Mar. 25, 2018	Mar. 26, 2017
Revenues		$ 101,849	$ 104,201	$ 96,256
Branded Products [Member]
Revenues		57,960	62,623	55,960
Company-operated Restaurants [Member]
Revenues		13,601	14,085	14,646
Other Products [Member]
Revenues				214
Product [Member]
Revenues		71,561	76,708	70,820
License [Member]
Revenues		23,615	23,020	20,368
Royalty [Member]
Revenues		3,666	4,138	4,290
Franchise [Member]
Revenues		505	335	778
Franchise Fees and Royalties [Member]
Revenues		4,171	4,473	5,068
Advertising Fund Revenue [Member]
Revenues	[1]	$ 2,502

[1] Prior to adoption of Topic 606, inflows into the National Advertising Fund were not considered revenue.