CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	12 Months Ended
	Dec. 31, 2022	Dec. 25, 2021	Dec. 26, 2020
OPERATING ACTIVITIES:
Net Income	$ 39,424,900	$ 39,919,900	$ 29,823,300
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	603,100	430,600	484,700
Provisions for credit losses	(57,900)	(206,600)	(79,300)
Compensation expense related to stock options	1,652,400	1,435,500	1,315,200
Deferred income taxes	(287,700)	(1,362,000)	(1,223,700)
Loss from disposal of property and equipment	(9,400)		200
Deferred initial direct costs		(2,100)	(18,300)
Amortization of deferred initial direct costs		18,900	105,900
Operating lease right of use asset amortization	266,000	244,300	368,900
Tax benefits on exercised stock options	858,300	2,479,600	872,900
Change in operating assets and liabilities:
Receivables	(335,200)	478,500	87,600
Principal collections on lease receivables	3,646,700	9,915,400	14,829,200
Income tax receivable/payable	(749,500)	(2,925,900)	(596,200)
Inventories	(445,400)	(218,600)	(20,600)
Prepaid expenses	(301,800)	(13,400)	(27,100)
Other assets	(11,400)	17,600	56,600
Accounts payable	23,000	329,400	754,600
Accrued and other liabilities	222,800	(948,500)	(691,400)
Rents received in advance and security deposits	(819,200)	(1,046,600)	(1,954,000)
Deferred revenue	109,600	(199,800)	(867,200)
Net cash provided by operating activities	43,789,300	48,346,200	43,221,300
INVESTING ACTIVITIES:
Proceeds from sales of property and equipment	9,400
Purchase of property and equipment	(139,100)	(74,700)	(45,100)
Reacquired franchise rights	(3,540,000)
Purchase of equipment for lease contracts		(208,400)	(4,114,000)
Net cash used for investing activities	(3,669,700)	(283,100)	(4,159,100)
FINANCING ACTIVITIES:
Proceeds from borrowings on line of credit	33,700,000		46,600,000
Payments on line of credit	(3,700,000)		(46,600,000)
Proceeds from borrowings on notes payable		30,000,000
Payments on notes payable	(4,250,000)	(4,250,000)	(3,750,000)
Repurchases of common stock	(49,119,800)	(44,217,500)	(48,987,500)
Proceeds from exercises of stock options	4,751,700	8,320,000	8,252,800
Dividends paid	(19,257,900)	(33,162,600)	(14,230,800)
Proceeds from discounted lease rentals			1,157,000
Net cash used for financing activities	(37,876,000)	(43,310,100)	(57,558,500)
NET INCREASE (DECREASE) IN CASH, CASH EQUIVALENTS AND RESTRICTED CASH	2,243,600	4,753,000	(18,496,300)
Cash, cash equivalents and restricted cash, beginning of period	11,437,000	6,684,000	25,180,300
Cash, cash equivalents and restricted cash, end of period	$ 13,680,600	$ 11,437,000	$ 6,684,000