Property and Equipment (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014	Dec. 31, 2014
Property, Plant and Equipment [Abstract]
Gross carrying amount	$ 19,489,978		$ 19,489,978		$ 19,015,099
Accumulated depreciation	(17,668,588)		(17,668,588)		(16,867,911)
Property and Equipment, net	1,821,390		1,821,390		$ 2,147,188
Depreciation expense	280,663	$ 378,010	1,003,224	$ 1,318,737
Property, Plant and Equipment, Disposals	53,511	318,757	191,936	559,674
Accumulated depreciation, disposals	$ 19,374	$ 203,351	$ 144,614	$ 346,259