Note H - Accounts and Other Receivables, Net - Summary of Accounts and Other Receivables (Details) - USD ($) $ in Thousands	Dec. 29, 2019	Mar. 31, 2019	Mar. 25, 2018
Accounts receivable, gross, current	$ 10,934	$ 10,758
Less: allowance for doubtful accounts	498	585	$ 468
Accounts and other receivables, net	10,436	10,173
Branded Product Sales [Member]
Accounts receivable, gross, current	8,094	7,432
Franchise and License Royalties [Member]
Accounts receivable, gross, current	2,052	2,661
Other Receivables [Member]
Accounts receivable, gross, current	$ 788	$ 665