Property and Equipment (Details) - USD ($)	Dec. 31, 2015	Dec. 31, 2014
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 2,090,950	$ 2,514,475
Less accumulated depreciation	(1,857,256)	(2,188,703)
Property and equipment, net	233,694	325,772
Leasehold Improvements [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	593,739	758,126
Furniture and office equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	234,018	234,018
Computer and other equipment [Member]
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment	$ 1,263,193	$ 1,522,331