Other Comprehensive Income (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012
Foreign Currency Items, Beginning balance	$ (2,172,000)
Foreign Currency Items, Current period change, net of tax	(30,400)	158,176
Foreign Currency Items, Ending Balance	(2,202,000)
Accumulated Other Comprehensive (Loss), Beginning balance	(2,171,582)
Accumulated Other Comprehensive (Loss), Current period change, net of tax	(30,000)
Accumulated Other Comprehensive (Loss), Ending Balance	$ (2,201,982)