Note M - Segment Information - Operating Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended				6 Months Ended
		Sep. 28, 2025		Sep. 29, 2024		Sep. 28, 2025		Sep. 29, 2024
Revenues		$ 45,687		$ 41,109		$ 92,685		$ 85,876
Cost of sales		32,378		26,029		60,801		51,270
Segment gross profit		13,309		15,080		31,884		34,606
Restaurant operating expenses	[1],[2]	1,432		1,389		2,611		2,518
Department expenses	[3]	494	[1]	496	[2]	1,017	[2]	1,242	[2]
Other general and administration expenses	[2],[4]	1,478		1,311		3,319		2,928
Payroll expense	[2]	1,480		1,445		3,066		3,057
Depreciation and amortization	[2]	236		247		464		496
Advertising fund expense	[2]	687		560		1,114		988
Income from operations		7,502		9,632		20,293		23,377
Interest expense		(739)		(1,441)		(1,497)		(2,501)
Interest and dividend income		236		219		439		297
Loss on debt extinguishment (Note P)		0		(334)		0		(334)
Other income, net		22		23		43		44
Income before provision for income taxes		7,021		8,099		19,278		20,883
Operating Segments [Member] | Branded Product Program [Member]
Revenues		29,047		24,536		58,122		50,682
Cost of sales		29,590		23,318		55,823		46,290
Segment gross profit		(543)		1,218		2,299		4,392
Restaurant operating expenses	[1],[2]	0		0		0		0
Department expenses	[3]	236	[1]	216	[2]	464	[2]	548	[2]
Other general and administration expenses	[2],[4]	0		0		0		0
Payroll expense	[2]	270		267		574		571
Depreciation and amortization	[2]	33		38		67		76
Advertising fund expense	[2]	0		0		0		0
Income from operations		(1,082)		697		1,194		3,197
Interest expense		0		0		0		0
Interest and dividend income		0		0		0		0
Loss on debt extinguishment (Note P)				0				0
Other income, net		0		0		0		0
Income before provision for income taxes		(1,082)		697		1,194		3,197
Operating Segments [Member] | Product Licensing [Member]
Revenues		9,227		9,491		21,608		22,412
Cost of sales		0		0		0		0
Segment gross profit		9,227		9,491		21,608		22,412
Restaurant operating expenses	[1],[2]	0		0		0		0
Department expenses	[3]	46	[1]	45	[2]	92	[2]	91	[2]
Other general and administration expenses	[2],[4]	0		0		0		0
Payroll expense	[2]	0		0		0		0
Depreciation and amortization	[2]	0		0		0		0
Advertising fund expense	[2]	0		0		0		0
Income from operations		9,181		9,446		21,516		22,321
Interest expense		0		0		0		0
Interest and dividend income		0		0		0		0
Loss on debt extinguishment (Note P)				0				0
Other income, net		0		0		0		0
Income before provision for income taxes		9,181		9,446		21,516		22,321
Operating Segments [Member] | Restaurant Operations [Member]
Revenues		6,847		6,522		11,962		11,794
Cost of sales		2,788		2,711		4,978		4,980
Segment gross profit		4,059		3,811		6,984		6,814
Restaurant operating expenses	[1],[2]	1,432		1,389		2,611		2,518
Department expenses	[3]	109	[1]	133	[2]	263	[2]	401	[2]
Other general and administration expenses	[2],[4]	0		0		0		0
Payroll expense	[2]	360		345		727		739
Depreciation and amortization	[2]	165		163		322		329
Advertising fund expense	[2]	0		0		0		0
Income from operations		1,993		1,781		3,061		2,827
Interest expense		0		0		0		0
Interest and dividend income		0		0		0		0
Loss on debt extinguishment (Note P)				0				0
Other income, net		22		23		43		44
Income before provision for income taxes		2,015		1,804		3,104		2,871
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Revenues		566		560		993		988
Cost of sales		0		0		0		0
Segment gross profit		566		560		993		988
Restaurant operating expenses	[1],[2]	0		0		0		0
Department expenses	[3]	103	[1]	102	[2]	198	[2]	202	[2]
Other general and administration expenses	[2],[4]	1,478		1,311		3,319		2,928
Payroll expense	[2]	850		833		1,765		1,747
Depreciation and amortization	[2]	38		46		75		91
Advertising fund expense	[2]	687		560		1,114		988
Income from operations		(2,590)		(2,292)		(5,478)		(4,968)
Interest expense		(739)		(1,441)		(1,497)		(2,501)
Interest and dividend income		236		219		439		297
Loss on debt extinguishment (Note P)				(334)				(334)
Other income, net		0		0		0		0
Income before provision for income taxes		$ (3,093)		$ (3,848)		$ (6,536)		$ (7,506)

[1] Includes occupancy expenses, insurance expenses, utility costs, repair and maintenance expense and other Company-owned restaurant expenses.

[2] The significant expense categories and amounts align with segment-level information that is regularly provided to the CODM.

[3] Includes travel expense, marketing and trade show expense and certain other overhead expenses.

[4] Includes incentive compensation expense, share-based compensation expense, professional fees, occupancy expenses, provision for credit losses and certain other overhead expenses.