Goodwill and Other Intangible Assets (Details) (USD $)	3 Months Ended
	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Goodwill and Intangible Assets Disclosure [Abstract]
Goodwill	$ 4,150,339		$ 4,150,339
Other intangible assets:
Gross carrying amount	3,453,512		3,395,024
Accumulated amortization	(3,234,305)		(3,198,987)
Net carrying amount	219,207		196,037
Amortization of intangible assets	$ 35,318	$ 28,970