Goodwill and Other Intangible Assets (Details) - USD ($)	3 Months Ended
	Mar. 31, 2016	Mar. 31, 2015	Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 4,150,339		$ 4,150,339
Other intangible assets:
Gross carrying amount	3,630,203		3,609,524
Accumulated amortization	(3,394,864)		(3,353,387)
Net carrying amount	235,339		$ 256,137
Amortization of intangible assets	$ 41,477	$ 35,318