Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014
Cash flows from operating activities:
Net (loss) income	$ (15,926)	$ 217,167
Adjustments to reconcile net income to net cash used in operating activities
Depreciation and amortization	221,559	201,005
Deferred income taxes	(9,012)	(2,131)
Loss on sale of property, plant and equipment	12,522
Other operating non-cash items	23,874	(36,886)
Changes in assets and liabilities:
Trade accounts receivable	1,374,194	1,493,516
Inventories	(2,001,274)	(1,395,797)
Other assets	1,375	1,241
Prepaid expenses and other current assets	(220,538)	(152,556)
Receivables due from affiliated companies	(332,708)	(492,619)
Accounts payable and other accrued expenses	340,462	164,541
Net cash used in operating activities	(605,472)	(2,519)
Cash flows from investing activities:
Purchases of property, plant and equipment	(370,795)	(183,490)
Proceeds from sale of property, plant, and equipment	55,000
Net cash used in investing activities	(315,795)	(183,490)
Cash flows from financing activities:
Payments on long-term debt	(105,343)	(103,627)
Proceeds from exercise of stock options		63,250
Net cash used in financing activities	(105,343)	(40,377)
Effect of exchange rates on cash	(24,560)	(15,271)
Net decrease in cash	(1,051,170)	(241,657)
Cash at beginning of period	3,062,729	3,071,887
Cash at end of period	2,011,559	2,830,230
Supplemental disclosure of cash flow information:
Cash paid for interest during period	10,379	13,974
Cash paid for income taxes during period	$ 87,000	$ 130,000