Segment Information (Details) (USD $)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Segment Reporting Information [Line Items]
Revenue	$ 5,313,914	$ 3,835,006	$ 10,938,105	$ 7,816,651
United States [Member]
Segment Reporting Information [Line Items]
Revenue	3,804,268	3,323,484	7,957,441	6,419,393
Long-lived assets	1,753,856		1,753,856		1,598,607
Europe [Member]
Segment Reporting Information [Line Items]
Revenue	1,184,976	137,717	2,546,224	779,328
Japan [Member]
Segment Reporting Information [Line Items]
Revenue	$ 324,670	$ 373,805	$ 434,440	$ 617,930