Note K - Segment Information - Operating Segment Information (Details) - USD ($)	3 Months Ended								12 Months Ended
	Mar. 25, 2018	Dec. 24, 2017	Sep. 24, 2017	Jun. 25, 2017	Mar. 26, 2017	Dec. 25, 2016	Sep. 25, 2016	Jun. 26, 2016	Mar. 25, 2018	Mar. 26, 2017	Mar. 27, 2016
Sales	$ 19,906,000	$ 22,021,000	$ 31,471,000	$ 30,803,000	$ 19,232,000	$ 19,873,000	$ 27,871,000	$ 29,280,000	$ 104,201,000	$ 96,256,000	$ 100,449,000
Income from operations	4,546,000	$ 5,370,000	$ 8,734,000	$ 8,450,000	4,671,000	$ 4,754,000	$ 8,031,000	$ 8,824,000	27,100,000	26,280,000	24,963,000
Interest expense									(13,591,000)	(14,665,000)	(14,630,000)
Loss on debt extinguishment (Note L)									(8,872,000)
Impairment charge – long-lived assets (Note B)	(790,000)								(790,000)	0	0
Impairment charge – long-term investment											(100,000)
Interest income									166,000	104,000	52,000
Other income, net									99,000	85,000	99,000
Income before provision for income taxes									4,112,000	11,804,000	10,384,000
Assets	80,091,000				78,125,000				80,091,000	78,125,000	71,549,000
Depreciation and amortization									1,352,000	1,297,000	1,255,000
Corporate, Non-Segment [Member]
Sales
Income from operations									(7,937,000)	(8,264,000)	(8,496,000)
Assets	62,111,000				60,269,000				62,111,000	60,269,000	53,836,000
Depreciation and amortization									268,000	219,000	175,000
Branded Product Program [Member] | Operating Segments [Member]
Sales									62,623,000	56,174,000	59,367,000
Income from operations									9,469,000	10,257,000	8,394,000
Assets	8,174,000				7,113,000				8,174,000	7,113,000	6,827,000
Depreciation and amortization									298,000	316,000	370,000
Product Licensing [Member] | Operating Segments [Member]
Sales									23,020,000	20,368,000	19,815,000
Income from operations									22,838,000	20,186,000	19,812,000
Assets	2,269,000				2,003,000				2,269,000	2,003,000	1,832,000
Depreciation and amortization
Restaurant Operations [Member] | Operating Segments [Member]
Sales									18,558,000	19,714,000	21,267,000
Income from operations									2,730,000	4,101,000	5,253,000
Assets	$ 7,537,000				$ 8,740,000				7,537,000	8,740,000	9,054,000
Depreciation and amortization									$ 786,000	$ 762,000	$ 710,000