Condensed Consolidated Statements of Cash Flows (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Operating activities:
Net income	$ 194,801	$ 532,384
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	217,555	240,454
Stock-based compensation	11,661	53,277
Deferred income taxes	(43,000)	(36,000)
Foreign currency transaction (gain)/loss	20,262	(23,052)
(Increase) decrease in accounts receivable	83,621	19,509
(Increase) decrease in inventories	(138,307)	(143,739)
(Increase) decrease in refundable income taxes	10,632	96,387
(Increase) decrease in prepaid expenses and other current assets	(739,779)	(499,481)
(Increase) decrease in other assets	(17,684)	(25,886)
Increase (decrease) in income taxes payable	155,809	287,467
Increase (decrease) in accounts payable & accrued expenses and other noncurrent liabilities	853,337	1,267,820
Net cash provided by operating activities	608,908	1,769,140
Investing activities:
Purchase of property, plant and equipment	(61,457)	(61,457)
Purchase of note and mortgage secured by underlying property	0	(2,000,000)
Payments received on distributor note receivable	14,035	0
Payment of life insurance premiums	(259,726)	(259,121)
Net cash used in investing activities	(307,148)	(2,320,578)
Financing activities:
Principal payments on long-term borrowings	(212,457)	(144,118)
Purchase of stock for treasury	0	(9,985)
Net cash used in financing activities	(212,457)	(154,103)
Effect of exchange rate changes on cash and cash equivalents	(25,060)	121,763
Increase (decrease) in cash and cash equivalents	64,243	(583,778)
Cash and cash equivalents at beginning of period	5,801,042	7,174,213
Cash and cash equivalents at end of period	$ 5,865,285	$ 6,590,435