Note J - Revenues - Disaggregation of Revenue (Details) - USD ($)	3 Months Ended			6 Months Ended
	Sep. 23, 2018	Sep. 24, 2017	[1]	Sep. 23, 2018	[1]	Sep. 24, 2017	[1]
Revenues	$ 29,330,000	$ 31,471,000		$ 59,498,000		$ 62,274,000
Branded Products [Member]
Revenues	15,410,000	18,130,000		31,855,000		36,067,000
Company-operated Restaurants [Member]
Revenues	6,163,000	6,262,000		10,189,000		10,555,000
Product [Member]
Revenues	21,573,000	24,392,000		42,044,000		46,622,000
License [Member]
Revenues	5,746,000	5,764,000		13,844,000		13,165,000
Royalty [Member]
Revenues	1,104,000	1,218,000		2,101,000		2,330,000
Franchise [Member]
Revenues	135,000	97,000		242,000		157,000
Franchise Fees and Royalties [Member]
Revenues	1,239,000	1,315,000		2,343,000		2,487,000
Advertising Fund Revenue [Member]
Revenues	$ 772,000			$ 1,267,000

[1] As disclosed in Note B, prior period amounts have not been adjusted under the modified retrospective method of adoption of ASC 606.