Property and Equipment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017
Property, Plant and Equipment [Abstract]
Gross carrying amount	$ 18,591,087		$ 18,563,071
Accumulated depreciation	(18,033,288)		(17,926,959)
Property and Equipment, net	557,799		$ 636,112
Depreciation expense	$ 86,869	$ 186,085