Property and Equipment (Details) (USD $)			12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended				12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2012 Minimum [Member]	Dec. 31, 2012 Maximum [Member]	Dec. 31, 2012 Computer equipment [Member]	Dec. 31, 2011 Computer equipment [Member]	Dec. 31, 2012 Computer equipment [Member] Minimum [Member]	Dec. 31, 2012 Computer equipment [Member] Maximum [Member]	Dec. 31, 2012 Software [Member]	Dec. 31, 2011 Software [Member]	Dec. 31, 2012 Software [Member] Minimum [Member]	Dec. 31, 2012 Software [Member] Maximum [Member]	Dec. 31, 2012 Leasehold improvements [Member]	Dec. 31, 2011 Leasehold improvements [Member]	Dec. 31, 2012 Leasehold improvements [Member] Minimum [Member]	Dec. 31, 2012 Leasehold improvements [Member] Maximum [Member]	Dec. 31, 2012 Office furniture and equipment [Member]	Dec. 31, 2011 Office furniture and equipment [Member]	Dec. 31, 2012 Office furniture and equipment [Member] Minimum [Member]	Dec. 31, 2012 Office furniture and equipment [Member] Maximum [Member]
Property and equipment
Estimated Useful Life (Years)			2 years	7 years			2 years	7 years			3 years	5 years			1 year	5 years			5 years	7 years
Property and equipment	$ 2,305,700	$ 2,253,387			$ 574,096	$ 568,899			$ 104,500	$ 104,500			$ 174,429	$ 174,429			$ 1,452,675	$ 1,405,559
Less accumulated depreciation and amortization	(2,170,488)	(2,001,539)
Property equipment Net	$ 135,212	$ 251,848