CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 30, 2023	Dec. 31, 2022	Dec. 25, 2021
OPERATING ACTIVITIES:
Net Income	$ 40,178,100	$ 39,424,900	$ 39,919,900
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation of property and equipment	418,700	411,400	430,600
Amortization of intangible assets	354,000	191,700
Provisions for credit losses	(5,600)	(57,900)	(206,600)
Compensation expense related to stock options	1,952,400	1,652,400	1,435,500
Deferred income taxes	(512,000)	(287,700)	(1,362,000)
Loss from disposal of property and equipment		(9,400)
Deferred initial direct costs			(2,100)
Amortization of deferred initial direct costs			18,900
Operating lease right of use asset amortization	290,100	266,000	244,300
Tax benefits on exercised stock options	1,138,500	858,300	2,479,600
Change in operating assets and liabilities:
Receivables	(36,700)	(335,200)	478,500
Principal collections on lease receivables	556,000	3,646,700	9,915,400
Income tax receivable/payable	(611,200)	(749,500)	(2,925,900)
Inventories	384,500	(445,400)	(218,600)
Prepaid expenses	(81,700)	(301,800)	(13,400)
Other assets	(41,600)	(11,400)	17,600
Accounts payable	(402,600)	23,000	329,400
Accrued and other liabilities	(16,900)	222,800	(948,500)
Rents received in advance and security deposits	(275,200)	(819,200)	(1,046,600)
Deferred revenue	705,500	109,600	(199,800)
Net cash provided by operating activities	43,994,300	43,789,300	48,346,200
INVESTING ACTIVITIES:
Proceeds from sales of property and equipment		9,400
Purchase of property and equipment	(383,900)	(139,100)	(74,700)
Reacquired franchise rights		(3,540,000)
Purchase of equipment for lease contracts			(208,400)
Net cash used for investing activities	(383,900)	(3,669,700)	(283,100)
FINANCING ACTIVITIES:
Proceeds from borrowings on line of credit/term loan		33,700,000
Payments on line of credit/term loan		(3,700,000)
Proceeds from borrowings on notes payable			30,000,000
Payments on notes payable	(4,250,000)	(4,250,000)	(4,250,000)
Repurchases of common stock		(49,119,800)	(44,217,500)
Proceeds from exercises of stock options	4,009,700	4,751,700	8,320,000
Dividends paid	(43,664,200)	(19,257,900)	(33,162,600)
Net cash used for financing activities	(43,904,500)	(37,876,000)	(43,310,100)
NET INCREASE IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	(294,100)	2,243,600	4,753,000
Cash, cash equivalents and restricted cash, beginning of period	13,680,600	11,437,000	6,684,000
Cash, cash equivalents and restricted cash, end of period	$ 13,386,500	$ 13,680,600	$ 11,437,000