Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016
CASH FLOWS FROM OPERATING ACTIVITIES:
Net income	$ 2,780,411	$ 4,342,262
Adjustments to reconcile net income to net cash (used in) provided by operating activities:
Depreciation and amortization	1,466,534	1,273,078
Loss / (gain) on disposal or abandonment of assets	10,484	(6,306)
Non-cash stock-based compensation	205,380	156,586
Deferred income taxes	(214,092)	18,211
Foreign currency translation	961,860	236,139
Net changes in assets and liabilities:
Accounts receivable-trade	31,606	39,615
Inventory	(7,970,520)	(3,537,758)
Prepaid expenses	(43,507)	(492,234)
Other current assets	(212,527)	53,936
Accounts payable-trade	947,132	(1,497)
Accrued expenses and other liabilities	(1,323,785)	482,975
Income taxes payable	16,816	(688,029)
Total adjustments	(6,124,619)	(2,465,284)
Net cash (used in) provided by operating activities	(3,344,208)	1,876,978
CASH FLOWS FROM INVESTING ACTIVITIES:
Purchase of property and equipment	(1,530,547)	(1,385,431)
Proceeds from sale of assets	699	26,703
Decrease in other assets	(32,268)	(10,368)
Net cash used in investing activities	(1,562,116)	(1,369,096)
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) INCREASE IN CASH	(4,682,920)	486,023
CASH, beginning of period	16,862,304	10,962,615
CASH, end of period	12,179,384	11,448,638
SUPPLEMENTAL DISCLOSURES OF CASH FLOW INFORMATION:
Interest paid during the period	143,165	108,949
Income tax paid during the period, net of refunds	$ 1,218,410	$ 3,005,523