Property and Equipment (Schedule of Property and Equipment) (Details) (USD $)	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Property, Plant and Equipment [Line Items]
Property and equipment	$ 2,439,585	$ 2,389,156
Less accumulated depreciation	(2,053,517)	(1,905,180)
Property, Plant and Equipment, Net, Total	386,068	483,976
Depreciation	182,487	303,916	461,073
Leasehold improvements [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	758,126	758,126
Furniture and Office Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	234,018	234,018
Computer and Other Equipment [Member]
Property, Plant and Equipment [Line Items]
Property and equipment	$ 1,447,441	$ 1,397,012