CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	6 Months Ended
	Jul. 01, 2017	Jun. 25, 2016
OPERATING ACTIVITIES:
Net Income	$ 11,189,600	$ 9,957,200
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	188,700	217,300
Provision for credit losses	(12,900)	(22,300)
Compensation expense related to stock options	966,600	882,200
Deferred income taxes	140,300
Loss on sale of marketable securities		12,600
Deferred initial direct costs	(250,000)	(326,100)
Amortization of deferred initial direct costs	238,300	234,200
Tax benefits on exercised stock options	518,000	9,700
Change in operating assets and liabilities:
Receivables	(118,000)	28,100
Restricted cash	10,000
Income tax receivable/payable	(175,700)	2,508,600
Inventories	(11,900)	(36,000)
Prepaid expenses	581,900	(112,600)
Accounts payable	(282,500)	(653,200)
Accrued and other liabilities	661,400	406,000
Rents received in advance and security deposits	6,600	202,800
Deferred revenue	(254,300)	(142,600)
Net cash provided by operating activities	13,396,100	13,165,900
INVESTING ACTIVITIES:
Proceeds from sale of marketable securities		52,200
Purchase of property and equipment	(44,200)	(31,500)
Purchase of equipment for lease contracts	(13,532,300)	(10,585,600)
Principal collections on lease receivables	13,982,500	12,474,600
Net cash provided by (used for) investing activities	406,000	1,909,700
FINANCING ACTIVITIES:
Proceeds from borrowings on line of credit	6,800,000	6,500,000
Payments on line of credit	(20,100,000)	(18,400,000)
Payments on notes payable	(1,000,000)	(1,000,000)
Repurchases of common stock		(1,573,900)
Proceeds from exercises of stock options	1,197,000	150,200
Dividends paid	(880,100)	(699,800)
Net cash used for financing activities	(13,983,100)	(15,023,500)
NET INCREASE (DECREASE) IN CASH AND CASH EQUIVALENTS	(181,000)	52,100
Cash and cash equivalents, beginning of period	1,252,900	1,006,700
Cash and cash equivalents, end of period	1,071,900	1,058,800
SUPPLEMENTAL DISCLOSURES:
Cash paid for interest	980,300	939,800
Cash paid for income taxes	$ 5,654,000	$ 3,650,700