Condensed Consolidated Statements of Cash Flows (Unaudited) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Cash flows from operating activities:
Net income	$ 328,369	$ 353,452
Adjustments to reconcile net income to net cash used in operating activities
Depreciation and amortization	186,497	172,088
Deferred income taxes	14,269	(2,715)
Stock based compensation	4,586	18,923
Other operating non-cash items	11,510	28,704
Changes in assets and liabilities:
Trade accounts receivable	(272,555)	(491,457)
Inventories	(843,617)	(324,556)
Other assets	1,242	4,967
Prepaid expenses and other current assets	(151,049)	(22,483)
Receivables due from affiliated companies	(62,224)	148,973
Accounts payable and other accrued expenses	31,204	(296,165)
Net cash used in operating activities	(751,768)	(410,269)
Cash flows from investing activities:
Purchases of property, plant and equipment	(119,440)	(90,242)
Net cash used in investing activities	(119,440)	(90,242)
Cash flows from financing activities:
Net borrowings under revolving line of credit		700,000
Payments on long-term debt	(100,758)	(100,163)
Net cash (used in) provided by financing activities	(100,758)	599,837
Effect of exchange rates on cash	(2,001)	224
Net (decrease) increase in cash	(973,967)	99,550
Cash at beginning of period	1,508,385	585,357
Cash at end of period	534,418	684,907
Supplemental disclosure of cash flow information:
Cash paid for interest during period	17,674	27,209
Cash paid for income taxes during period	$ 77,100	$ 386,000