Note H - Accounts and Other Receivables, Net - Summary of Accounts and Other Receivables (Details) - USD ($) $ in Thousands	Sep. 29, 2019	Mar. 31, 2019	Mar. 25, 2018
Accounts receivable, gross, current	$ 12,778	$ 10,758
Less: allowance for doubtful accounts	608	585	$ 468
Accounts and other receivables, net	12,170	10,173
Branded Product Sales [Member]
Accounts receivable, gross, current	8,724	7,432
Franchise and License Royalties [Member]
Accounts receivable, gross, current	2,552	2,661
Other Receivables [Member]
Accounts receivable, gross, current	$ 1,502	$ 665