CONSOLIDATED STATEMENTS OF OPERATIONS - USD ($)	12 Months Ended
	Dec. 26, 2015	Dec. 27, 2014	Dec. 28, 2013
REVENUE:
Royalties	$ 41,908,000	$ 38,972,400	$ 36,344,100
Leasing income	21,565,700	16,247,300	14,524,100
Merchandise sales	2,816,900	2,728,600	2,327,100
Franchise fees	1,788,100	1,989,700	1,459,300
Other	1,369,100	1,240,700	1,076,600
Total revenue	69,447,800	61,178,700	55,731,200
COST OF MERCHANDISE SOLD	2,653,100	2,619,900	2,205,700
LEASING EXPENSE	5,759,300	1,630,600	1,592,000
PROVISION FOR CREDIT LOSSES	(149,700)	62,900	(44,700)
SELLING, GENERAL AND ADMINISTRATIVE EXPENSES	24,094,400	23,806,000	22,198,200
Income from operations	37,090,700	33,059,300	29,780,000
INTEREST EXPENSE	(1,802,200)	(484,500)	(213,500)
INTEREST AND OTHER INCOME (EXPENSE)	(63,700)	14,000	23,400
Income before income taxes	35,224,800	32,588,800	29,589,900
PROVISION FOR INCOME TAXES	(13,425,100)	(12,522,300)	(11,358,300)
NET INCOME	$ 21,799,700	$ 20,066,500	$ 18,231,600
EARNINGS PER SHARE - BASIC (in dollars per share)	$ 4.89	$ 3.96	$ 3.60
EARNINGS PER SHARE - DILUTED (in dollars per share)	$ 4.69	$ 3.85	$ 3.48
WEIGHTED AVERAGE SHARES OUTSTANDING - BASIC (in shares)	4,458,927	5,069,391	5,068,975
WEIGHTED AVERAGE SHARES OUTSTANDING - DILUTED (in shares)	4,651,527	5,216,914	5,241,121