Taxes (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012
Income taxes at U.S. statutory rate			$ 206,000	$ 504,000
State income taxes, net of federal benefit			60,000	81,000
Higher/(lower) effective taxes on earnings in foreign countries			77,000	(20,000)
Foreign corporate income taxes			30,000	35,000
Other, net			(40,000)	(41,000)
Income Tax Expense (Benefit), Total	$ 153,000	$ 135,000	$ 333,000	$ 559,000