Segment Information (Details) (USD $)	3 Months Ended
	Mar. 31, 2013	Mar. 31, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenue	$ 5,624,191	$ 3,981,644
United States [Member]
Segment Reporting Information [Line Items]
Revenue	4,153,172	3,095,909
Long-lived assets	1,547,022		1,598,607
Europe [Member]
Segment Reporting Information [Line Items]
Revenue	1,361,249	641,610
Japan [Member]
Segment Reporting Information [Line Items]
Revenue	$ 109,770	$ 244,125