Segment Reporting: (Tables)

12 Months Ended

Dec. 31, 2016

Segment Reporting:

Schedule of financial information by segment and reconciliation of segment contribution to operating income

	Year ended
	December 31, 2016		December 26, 2015		December 27, 2014
Revenue:
Franchising	$	49,296,700	$	47,882,100	$	44,931,400
Leasing		17,283,600		21,565,700		16,247,300
Total revenue	$	66,580,300	$	69,447,800	$	61,178,700
Reconciliation to operating income:
Franchising segment contribution	$	28,650,400	$	26,891,000	$	23,631,800
Leasing segment contribution		9,650,600		10,199,700		9,427,500
Total operating income	$	38,301,000	$	37,090,700	$	33,059,300
Depreciation and amortization:
Franchising	$	325,200	$	341,600	$	325,100
Leasing		95,300		91,000		86,900
Total depreciation and amortization	$	420,500	$	432,600	$	412,000

	As of
	December 31, 2016		December 26, 2015
Identifiable assets:
Franchising	$	3,141,300	$	3,100,900
Leasing		42,735,600		39,687,400
Unallocated		2,704,700		4,618,000
Total	$	48,581,600	$	47,406,300