Investment in Leasing Operations: (Tables)

12 Months Ended

Dec. 31, 2016

Investment in Leasing Operations:

Schedule of investment in leasing operations

	December 31, 2016		December 26, 2015
Direct financing and sales-type leases:
Minimum lease payments receivable	$	37,839,800	$	37,181,600
Estimated residual value of equipment		4,754,200		4,511,000
Unearned lease income net of initial direct costs deferred		(5,844,500)		(4,999,700)
Security deposits		(4,424,400)		(3,640,500)
Equipment installed on leases not yet commenced		9,961,600		6,754,200
Total investment in direct financing and sales-type leases		42,286,700		39,806,600
Allowance for credit losses		(896,000)		(859,100)
Net investment in direct financing and sales-type leases		41,390,700		38,947,500
Operating leases:
Operating lease assets		800,700		1,083,300
Less accumulated depreciation and amortization		(775,900)		(1,043,300)
Net investment in operating leases		24,800		40,000
Total net investment in leasing operations	$	41,415,500	$	38,987,500

Schedule of future minimum lease payments receivable under lease contracts and the amortization of unearned lease income, net of initial direct costs deferred

Future minimum lease payments receivable under lease contracts and the amortization of unearned lease income, net of initial direct costs deferred, is as follows as of December 31, 2016:

	Direct Financing and Sales-Type Leases				Operating Leases
	Minimum Lease		Income		Minimum Lease
Fiscal Year	Payments Receivable		Amortization		Payments Receivable
2017	$	22,899,200	$	4,239,100	$	17,200
2018		11,174,700		1,418,800		—
2019		3,737,900		183,600		—
2020		8,400		1,500		—
2021		8,400		1,000		—
Thereafter		11,200		500		—
	$	37,839,800	$	5,844,500	$	17,200

Schedule of activity in the allowance for credit losses for leasing operations

	December 31, 2016		December 26, 2015		December 27, 2014
Balance at beginning of period	$	859,100	$	386,000	$	822,700
Provisions charged to expense		18,500		(149,700)		62,900
Recoveries		47,700		632,200		106,900
Deductions for amounts written-off		(29,300)		(9,400)		(606,500)
Balance at end of period	$	896,000	$	859,100	$	386,000

Schedule of investment in direct financing and sales-type leases (investment in leases) and allowance for credit losses by loss evaluation methodology

	December 31, 2016				December 26, 2015
	Investment		Allowance for		Investment		Allowance for
	In Leases		Credit Losses		In Leases		Credit Losses
Collectively evaluated for loss potential	$	42,286,700	$	896,000	$	39,806,600	$	859,100
Individually evaluated for loss potential		—		—		—		—
Total	$	42,286,700	$	896,000	$	39,806,600	$	859,100

Schedule of information regarding accruing and non-accrual leases

	December 31, 2016
	0-60 Days		61-90 Days		Over 90 Days
	Delinquent		Delinquent		Delinquent and
	and Accruing		and Accruing		Accruing		Non-Accrual		Total
Middle-Market	$	41,299,600	$	—	$	—	$	—	$	41,299,600
Small-Ticket		987,100		—		—		—		987,100
Total Investment in Leases	$	42,286,700	$	—	$	—	$	—	$	42,286,700

	December 26, 2015
	0-60 Days		61-90 Days		Over 90 Days
	Delinquent		Delinquent		Delinquent and
	and Accruing		and Accruing		Accruing		Non-Accrual		Total
Middle-Market	$	38,616,600	$	—	$	—	$	—	$	38,616,600
Small-Ticket		1,185,800		4,200		—		—		1,190,000
Total Investment in Leases	$	39,802,400	$	4,200	$	—	$	—	$	39,806,600