Consolidated Statements of Cash Flows (Unaudited) (USD $)	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 4,777,506	$ 3,394,514
Adjustments to reconcile net income to net cash provided by (used in) operating activities:
Depreciation and amortization	889,395	794,122
Loss on disposal or abandonment of assets	89,531	16,977
Non-cash stock-based compensation	11,686	10,000
Deferred income taxes	190,144	(180,237)
Other	(70,330)	63,559
Net changes in assets and liabilities, net of effect of business acquisitions:	(122,953)	253,702
Inventory	(3,629,704)	(9,754,553)
Income taxes	(119,811)	(1,183,816)
Prepaid expenses	(1,069,399)	1,624,011
Other current assets	(276,072)	(1,765,227)
Accounts payable-trade	686,823	929,847
Accrued expenses and other liabilities	(15,234)	1,097,165
Total adjustments	(3,435,924)	(8,094,450)
Net cash provided by (used in) operating activities	1,341,582	(4,699,936)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(2,415,484)	(1,294,050)
Proceeds from sale or maturities of certificates of deposit		423,893
Proceeds from sale of assets	515	1,150
Decrease (increase) in other assets	(420)	6,675
Net cash used in investing activities	(2,415,389)	(862,332)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from notes payable and long-term debt		1,000,000
Payments on notes payable and long-term debt	(455,625)	(151,875)
Proceeds from issuance of common stock	113,800	5,440
Payment of cash dividend		(2,536,131)
Net cash used in financing activities	(341,825)	(1,682,566)
NET CHANGE IN CASH	(1,415,632)	(7,244,834)
CASH, beginning of period	7,705,182	10,765,591
CASH, end of period	6,289,550	3,520,757
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest paid during the period	158,659	176,251
Income tax paid during the period, net of (refunds)	$ 2,507,842	$ 3,524,962