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Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2017

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets

Intangible assets are comprised of the following:

		September 30, 2017														December 31, 2016
		Useful Life			Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount				Gross Carrying Amount				Accumulated Amortization				Net Carrying Amount

Acquired intangibles - customer lists and non-compete agreements		5-10 years			1,997,300				1,785,932				211,368				1,997,300				1,721,357				275,943
Acquired intangibles - patents and patent rights		Varied (1)			3,155,000				2,476,149				678,851				3,155,000				2,092,767				1,062,233
Patent application costs		Varied (2)			1,141,368				644,548				496,820				1,136,465				578,623				557,842
				$	6,293,668			$	4,906,629			$	1,387,039			$	6,288,765			$	4,392,747			$	1,896,018

	⁽¹⁾	Acquired patents and patent rights are amortized over their expected useful life which is generally the remaining legal life of the patent. As of September 30, 2017, the weighted average remaining useful life of these assets in service was approximately 1.84 years.

	⁽²⁾	Patent application costs are amortized over their expected useful life which is generally the remaining legal life of the patent. As of September 30, 2017, the weighted average remaining useful life of these assets in service was approximately 6.3 years.