Note D - Accounts and Other Receivables, Net - Summary of Accounts and Other Receivables (Details) - USD ($) $ in Thousands	Mar. 31, 2019	Mar. 25, 2018	Mar. 26, 2017	Mar. 27, 2016
Accounts receivable, gross, current	$ 10,758	$ 10,970
Less: allowance for doubtful accounts	585	468	$ 457	$ 471
Accounts and other receivables, net	10,173	10,502
Branded Product Sales [Member]
Accounts receivable, gross, current	7,432	7,604
Franchise and License Royalties [Member]
Accounts receivable, gross, current	2,661	2,767
Other Receivables [Member]
Accounts receivable, gross, current	$ 665	$ 599