Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($)	9 Months Ended
	Sep. 30, 2016	Sep. 30, 2015
Cash flows from operating activities:
Net Income	$ 1,644,183	$ 393,323
Adjustments to reconcile net income to net cash used in operating activities:
Depreciation and amortization	735,478	679,463
Deferred income taxes	(20,151)	(23,082)
Loss on sale of property, plant and equipment		12,522
Stock based compensation	292,880	162,225
Other operating non-cash items	149,094	94,799
Changes in assets and liabilities:
Trade accounts receivable	(4,386,416)	(2,800,873)
Inventories	(1,109,493)	(1,301,659)
Prepaid expenses and other current assets	(72,965)	(157,156)
Receivables due from affiliated companies	228,497	246,697
Accounts payable and other accrued expenses	2,275,080	1,709,060
Net cash used in operating activities	(263,813)	(984,681)
Cash flows from investing activities:
Purchases of property, plant and equipment	(258,096)	(845,567)
Cash paid for patent and trademark registration		(11,902)
Sale of property, plant, and equipment		55,000
Net cash used in investing activities	(258,096)	(802,469)
Cash flows from financing activities:
Payments on long-term debt	(338,445)	(326,772)
Dividends paid to common shareholders	(540,531)
Proceeds from exercise of stock options	21,600
Net cash used in financing activities	(857,376)	(326,772)
Effect of exchange rates on cash	(3,363)	(15,943)
Net decrease in cash	(1,382,648)	(2,129,865)
Cash at beginning of period	2,468,415	3,062,729
Cash at end of period	1,085,767	932,864
Supplemental disclosure of cash flow information:
Cash paid for interest during period	15,683	27,703
Cash paid for income taxes during period	$ 744,000	$ 118,000