CONSOLIDATED CONDENSED STATEMENTS OF CASH FLOWS - USD ($)	9 Months Ended
	Sep. 24, 2016	Sep. 26, 2015
OPERATING ACTIVITIES:
Net Income	$ 16,051,400	$ 16,145,300
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation	320,600	322,800
Provision for credit losses	(52,000)	(123,400)
Compensation expense related to stock options	1,324,400	1,255,100
Deferred income taxes	62,100	(3,329,900)
Loss on sale of marketable securities	12,600	22,800
Deferred initial direct costs	(421,300)	(332,900)
Amortization of deferred initial direct costs	356,200	491,700
Tax benefits on exercised stock options	(69,700)	(16,600)
Change in operating assets and liabilities:
Receivables	(138,400)	14,000
Restricted cash	(15,000)
Income tax receivable	2,575,400	3,323,200
Inventories	(50,400)	33,900
Prepaid expenses	(243,200)	(290,100)
Other assets		70,000
Accounts payable	(524,400)	(747,100)
Accrued and other liabilities	617,600	1,133,300
Rents received in advance and security deposits	392,300	6,600
Deferred revenue	(261,900)	184,900
Net cash provided by operating activities	19,936,300	18,163,600
INVESTING ACTIVITIES:
Proceeds from sale of marketable securities	52,200	299,000
Purchase of marketable securities		(75,800)
Purchase of property and equipment	(46,800)	(121,300)
Purchase of equipment for lease contracts	(16,432,200)	(18,516,900)
Principal collections on lease receivables	17,749,900	22,047,500
Net cash provided by investing activities	1,323,100	3,632,500
FINANCING ACTIVITIES:
Proceeds from borrowings on line of credit	10,600,000	56,500,000
Payments on line of credit	(27,800,000)	(28,800,000)
Proceeds from borrowings on notes payable		25,000,000
Payments on notes payable	(1,500,000)	(500,000)
Repurchases of common stock	(1,573,900)	(74,261,500)
Proceeds from exercises of stock options	170,900	159,000
Dividends paid	(1,111,900)	(939,200)
Tax benefits on exercised stock options	69,700	16,600
Net cash used for financing activities	(21,145,200)	(22,825,100)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	114,200	(1,029,000)
Cash and cash equivalents, beginning of period	1,006,700	2,089,700
Cash and cash equivalents, end of period	1,120,900	1,060,700
SUPPLEMENTAL DISCLOSURES:
Cash paid for interest	1,778,400	830,400
Cash paid for income taxes	$ 7,316,700	$ 10,056,800