CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($)	3 Months Ended
	Apr. 01, 2017	Mar. 26, 2016
OPERATING ACTIVITIES:
Net Income	$ 5,416,400	$ 4,562,900
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	98,500	109,200
Provision for credit losses	(1,400)	(14,400)
Compensation expense related to stock options	477,000	449,800
Loss on sale of marketable securities		6,200
Deferred initial direct costs	(112,500)	(180,700)
Amortization of deferred initial direct costs	125,600	100,000
Tax benefits on exercised stock options	96,100	9,700
Change in operating assets and liabilities:
Receivables	(34,200)	71,100
Restricted cash	10,000	10,000
Income tax receivable/payable	2,987,500	4,894,700
Inventories	(18,700)	(35,100)
Prepaid expenses	241,300	(268,500)
Accounts payable	(442,200)	426,700
Accrued and other liabilities	(69,100)	338,300
Rents received in advance and security deposits	(86,900)	129,000
Deferred revenue	46,300	7,600
Net cash provided by operating activities	8,733,700	10,616,500
INVESTING ACTIVITIES:
Proceeds from sale of marketable securities		17,100
Purchase of property and equipment	(11,900)	(19,900)
Purchase of equipment for lease contracts	(7,512,900)	(4,734,500)
Principal collections on lease receivables	7,289,500	5,343,400
Net cash provided by (used for) investing activities	(235,300)	606,100
FINANCING ACTIVITIES:
Proceeds from borrowings on line of credit	1,900,000	500,000
Payments on line of credit	(9,100,000)	(9,400,000)
Payments on notes payable	(500,000)	(500,000)
Repurchases of common stock		(1,477,800)
Proceeds from exercises of stock options	88,600	150,200
Dividends paid	(416,500)	(288,700)
Net cash used for financing activities	(8,027,900)	(11,016,300)
NET INCREASE IN CASH AND CASH EQUIVALENTS	470,500	206,300
Cash and cash equivalents, beginning of period	1,252,900	1,006,700
Cash and cash equivalents, end of period	1,723,400	1,213,000
SUPPLEMENTAL DISCLOSURES:
Cash paid for interest	519,600	635,300
Cash paid (received) for income taxes, net	$ 138,107	$ (2,079,600)