Intangible Assets (Schedule of Intangible Assets) (Detail) (USD $)	Jun. 30, 2014	Dec. 31, 2013
Schedule of Intangible Assets Disclosure [Line Items]
Patent costs	$ 1,154,523	$ 1,154,523
Less - Accumulated amortization	(911,708)	(864,658)
Total	$ 242,815	$ 289,865