CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 26, 2020	Dec. 28, 2019	Dec. 29, 2018
Revenue:
Leasing income	$ 14,484,000	$ 16,055,800
Leasing income			$ 18,176,500
Total revenue	66,061,800	73,298,900	72,511,100
Cost of merchandise sold	2,103,900	2,469,700	2,741,100
Leasing expense	2,622,600	2,031,100	1,929,300
Provision for credit losses	(79,300)	(78,300)	38,600
Selling, general and administrative expenses	21,203,100	25,745,300	26,038,300
Income from operations	40,211,500	43,131,100	41,763,800
Interest expense	(1,737,500)	(1,731,100)	(2,447,500)
Interest and other income (expense)	43,400	67,400	(33,200)
Income before income taxes	38,517,400	41,467,400	39,283,100
Provision for income taxes	(8,694,100)	(9,318,100)	(9,157,600)
Net income	$ 29,823,300	$ 32,149,300	$ 30,125,500
Earnings per share - basic (in dollars per share)	$ 8.02	$ 8.37	$ 7.77
Earnings per share - diluted (in dollars per share)	$ 7.72	$ 7.84	$ 7.26
Weighted average shares outstanding - basic	3,719,485	3,840,638	3,874,757
Weighted average shares outstanding - diluted	3,863,264	4,100,629	4,149,779
Royalties
Revenue:
Revenue	$ 46,286,200	$ 51,421,800	$ 48,224,500
Merchandise sales
Revenue:
Revenue	2,215,400	2,618,800	2,903,100
Franchise fees
Revenue:
Revenue	1,444,500	1,540,900	1,580,300
Other
Revenue:
Revenue	$ 1,631,700	$ 1,661,600	$ 1,626,700