Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2013
Cash flows from operating activities:
Net income	$ 621,369	$ 491,789
Adjustments to reconcile net income to net cash provided by operating activities
Depreciation and amortization	406,987	376,805
Deferred income taxes	(18,778)	18,201
Stock based compensation	356,085	315,412
Other operating non-cash items	2,031	24,211
Changes in assets and liabilities:
Trade accounts receivable	225,308	(939,741)
Inventories	(582,465)	(442,666)
Other assets	(48,370)	2,484
Prepaid expenses and other current assets	(90,857)	(46,265)
Receivables due from affiliated companies	(296,029)	131,870
Accounts payable and other accrued expenses	139,246	100,145
Net cash provided by operating activities	714,527	32,245
Cash flows from investing activities:
Purchases of property, plant and equipment	(476,468)	(327,959)
Net cash used in investing activities	(476,468)	(327,959)
Cash flows from financing activities:
Payments on long-term debt	(206,783)	(202,488)
Dividends paid to common shareholders	(440,016)
Proceeds from exercise of stock options	63,250
Net cash used in financing activities	(583,549)	(202,488)
Effect of exchange rates on cash	(12,762)	(4,670)
Net decrease in cash	(358,252)	(502,872)
Cash at beginning of period	3,071,887	1,508,385
Cash at end of period	2,713,635	1,005,513
Supplemental disclosure of cash flow information:
Cash paid for interest during period	26,703	35,451
Cash paid for income taxes during period	$ 406,000	$ 315,100