Property and Equipment (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Property, Plant and Equipment [Abstract]
Gross carrying amount	$ 19,583,696		$ 19,339,574
Accumulated depreciation	(16,489,956)		(16,022,230)
Property and Equipment, net	3,093,740		3,317,344
Depreciation expense	$ 493,317	$ 586,980