Goodwill and Other Intangible Assets (Details) - USD ($)	3 Months Ended		6 Months Ended
	Jun. 30, 2016	Jun. 30, 2015	Jun. 30, 2016	Jun. 30, 2015	Dec. 31, 2015
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 4,150,339		$ 4,150,339		$ 4,150,339
Other intangible assets:
Gross carrying amount	3,671,030		3,671,030		3,609,524
Accumulated amortization	(3,435,622)		(3,435,622)		(3,353,387)
Net carrying amount	235,408		235,408		$ 256,137
Amortization of intangible assets	$ 40,758	$ 38,374	$ 82,235	$ 73,692