Taxes (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
Income taxes at U.S. statutory rate			$ 55,000	$ 360,000
State income taxes, net of federal benefit			26,000	57,000
Higher/(lower) effective taxes on earnings in foreign countries			68,000	(44,000)
Foreign corporate income taxes			21,000	43,000
Other, net			10,000	8,000
Income Tax Expense (Benefit), Total	$ (53,000)	$ 87,000	$ 180,000	$ 424,000