Property and Equipment (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018	Dec. 31, 2018
Property, Plant and Equipment [Abstract]
Gross carrying amount	$ 18,598,093		$ 18,628,762
Accumulated depreciation	(18,191,988)		(18,194,827)
Property and Equipment, net	406,105		$ 433,935
Depreciation expense	$ 72,214	$ 86,869