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Note A - Description and Organization of Business (Details Textual)
Mar. 29, 2020
Mar. 31, 2019
Mar. 25, 2018
Number of States in which Entity Operates 21    
Number of Countries in which Entity Operates 9    
Entity Operated Units [Member]      
Number of Restaurants 4    
Franchised Units [Member]      
Number of Restaurants 216 255 276