Note M - Segment Information - Operating Segment Information (Details) - USD ($) $ in Thousands		3 Months Ended
		Jun. 28, 2026	Jun. 29, 2025
Revenues		$ 54,062	$ 46,998
Cost of sales		35,205	28,423
Segment gross profit		18,857	18,575
Restaurant operating expenses	[1],[2]	1,216	1,179
Department expenses	[3]	623	523
Other general and administration expenses	[4]	2,013	1,841
Payroll expense		1,687	1,586
Depreciation and amortization		239	228
Advertising fund expense		411	427
Income from operations		12,668	12,791
Interest expense		(638)	(758)
Interest and dividend income		133	203
Other income, net		0	21
Income before provision for income taxes		12,163	12,257
Operating Segments [Member] | Branded Product Program [Member]
Revenues		35,039	29,075
Cost of sales		33,087	26,233
Segment gross profit		1,952	2,842
Restaurant operating expenses	[1],[2]	0	0
Department expenses	[3]	275	228
Other general and administration expenses	[4]	0	0
Payroll expense		317	304
Depreciation and amortization		30	34
Advertising fund expense		0	0
Income from operations		1,330	2,276
Interest expense		0	0
Interest and dividend income		0	0
Other income, net		0	0
Income before provision for income taxes		1,330	2,276
Operating Segments [Member] | Product Licensing [Member]
Revenues		13,587	12,381
Cost of sales		0	0
Segment gross profit		13,587	12,381
Restaurant operating expenses	[1],[2]	0	0
Department expenses	[3]	46	46
Other general and administration expenses	[4]	0	0
Payroll expense		0	0
Depreciation and amortization		0	0
Advertising fund expense		0	0
Income from operations		13,541	12,335
Interest expense		0	0
Interest and dividend income		0	0
Other income, net		0	0
Income before provision for income taxes		13,541	12,335
Operating Segments [Member] | Restaurant Operations [Member]
Revenues		5,025	5,115
Cost of sales		2,118	2,190
Segment gross profit		2,907	2,925
Restaurant operating expenses	[1],[2]	1,216	1,179
Department expenses	[3]	184	154
Other general and administration expenses	[4]	0	0
Payroll expense		418	367
Depreciation and amortization		169	157
Advertising fund expense		0	0
Income from operations		920	1,068
Interest expense		0	0
Interest and dividend income		0	0
Other income, net		0	21
Income before provision for income taxes		920	1,089
Segment Reporting, Reconciling Item, Corporate Nonsegment [Member]
Revenues		411	427
Cost of sales		0	0
Segment gross profit		411	427
Restaurant operating expenses	[1],[2]	0	0
Department expenses	[3]	118	95
Other general and administration expenses	[4]	2,013	1,841
Payroll expense		952	915
Depreciation and amortization		40	37
Advertising fund expense		411	427
Income from operations		(3,123)	(2,888)
Interest expense		(638)	(758)
Interest and dividend income		133	203
Other income, net		0	0
Income before provision for income taxes		$ (3,628)	$ (3,443)

[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.