Condensed Consolidated Statements of Cash Flows (USD $)	9 Months Ended
	Sep. 30, 2012	Sep. 30, 2011
Operating activities:
Net income	$ 922,457	$ 727,799
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	724,224	847,341
Stock-based compensation	90,911	137,826
Non-cash gain on loan modification - (Note 7)	(410,320)	0
Deferred income taxes	192,315	(112,000)
Foreign currency transaction (gain)/loss	(34,805)	43,184
(Increase) decrease in accounts receivable	46,912	19,406
(Increase) decrease in inventories	(571,275)	421,432
(Increase) decrease in refundable income taxes	(154,252)	(17,316)
(Increase) decrease in prepaid expenses and other current assets	(201,100)	(217,026)
(Increase) decrease in other assets	(15,219)	43,524
Increase (decrease) in accounts payable & accrued expenses and other noncurrent liabilities	466,794	352,607
Net cash provided by operating activities	1,056,642	2,246,777
Investing activities:
Purchase of property, plant and equipment	(390,778)	(241,000)
Purchase of note and mortgage secured by underlying property	(2,000,000)	0
Payment of life insurance premiums	(259,121)	(252,250)
Net cash used in investing activities	(2,649,899)	(493,250)
Financing activities:
Principal payments on long-term borrowings	(465,634)	(422,916)
Common stock dividends paid	(250,283)	(373,572)
Purchase of stock for treasury	(69,386)	(80,539)
Net cash used in financing activities	(785,303)	(877,027)
Effect of exchange rate changes on cash and cash equivalents	105,430	(66,867)
Increase (decrease) in cash and cash equivalents	(2,273,130)	809,633
Cash and cash equivalents at beginning of period	7,174,213	6,331,038
Cash and cash equivalents at end of period	$ 4,901,083	$ 7,140,671