Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 4,342,262	$ 4,063,647
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,273,078	1,163,116
(Gain) loss on disposal or abandonment of assets	(6,306)	25,782
Non-cash stock-based compensation	156,586	106,569
Deferred income taxes	18,211	(67,646)
Foreign currency translation	236,139	(882,354)
Net changes in assets and liabilities:
Accounts receivable-trade, net	39,615	40,042
Inventory	(3,537,758)	(2,182,520)
Prepaid expenses	(492,234)	(310,400)
Other current assets	53,936	(91,331)
Accounts payable-trade	(1,497)	1,242,840
Accrued expenses and other liabilities	482,975	1,002,238
Income taxes payable	(688,029)	(531,754)
Total adjustments	(2,465,284)	(485,418)
Net cash provided by operating activities	1,876,978	3,578,229
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(1,385,431)	(1,339,098)
Proceeds from sale of assets	26,703	11,372
Purchase of intangible assets		(10,000)
(Increase) in other assets	(10,368)	(2,902)
Net cash used in investing activities	(1,369,096)	(1,340,628)
CASH FLOWS FROM FINANCING ACTIVITIES:
Net (decrease) in revolving credit loans		(3,500,000)
Proceeds from notes payable and long-term debt	3,660,505	3,711,224
Payments on notes payable and long-term debt		(2,143,125)
Payments on capital lease obligations	(6,710)
Repurchase of common stock (treasury stock)	(3,675,654)	(3,708,862)
Proceeds from issuance of common stock		9,920
Net cash used in financing activities	(21,859)	(5,630,843)
NET CHANGE IN CASH	486,023	(3,393,242)
CASH, beginning of period	10,962,615	10,636,530
CASH, end of period	11,448,638	7,243,288
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest paid during the period	108,949	307,160
Income tax paid during the period	$ 3,005,523	$ 2,883,552