Consolidated Statements of Cash Flows (Unaudited) - USD ($)	6 Months Ended
	Jun. 30, 2017	Jun. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,258,997	$ 3,341,912
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	929,408	831,793
(Gain) / loss on disposal or abandonment of assets	515	(6,560)
Non-cash stock-based compensation	171,160	113,302
Deferred income taxes	(147,345)	(4,676)
Foreign currency translation	627,609	256,309
Net changes in assets and liabilities:
Accounts receivable-trade	63,667	1,382
Inventory	(4,149,949)	(2,720,056)
Prepaid expenses	130,098	(108,971)
Other current assets	(256)	(62,788)
Accounts payable-trade	(137,841)	(589,863)
Accrued expenses and other liabilities	(1,465,374)	(1,066,056)
Income taxes payable	508,900	(216,328)
Total adjustments	(3,469,408)	(3,572,512)
Net cash used in operating activities	(1,210,411)	(230,600)
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(1,004,906)	(898,007)
Proceeds from sale of assets	100	26,703
Decrease in other assets	(29,121)	352
Net cash used in investing activities	(1,033,927)	(870,952)
CASH FLOWS FROM FINANCING ACTIVITIES:
Proceeds from notes payable and long term debt		3,660,505
Payments on capital lease obligations		(6,710)
Repurchase of common stock (treasury stock)		(3,675,654)
Proceeds from exercise of stock options	223,404
Net cash provided by (used in) financing activities	223,404	(21,859)
NET DECREASE IN CASH	(2,020,934)	(1,123,411)
CASH, beginning of period	16,862,304	10,962,615
CASH, end of period	14,841,370	9,839,204
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest paid during the period	90,024	65,456
Income tax paid during the period, net of refunds	$ 554,670	$ 2,034,036