Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Other Intangible Assets

Intangible assets are comprised of the following:

		June 30, 2016						December 31, 2015
	Useful Life	Gross Carrying Amount		Accumulated Amortizaton		Net Carrying Amount		Gross Carrying Amount		Accumulated Amortizaton		Net Carrying Amount
Acquired intangibles- customer lists and non-compete agreements	5 -10 years		1,997,300		1,678,307		318,993		1,997,300		1,635,257		362,043
Acquired intangibles-patents and patent rights	Varied (1)		3,155,000		1,837,180		1,317,820		3,650,000		1,562,526		2,087,474
Patent application costs	Varied (2)		1,130,750		537,223		593,527		1,062,958		494,931		568,027
		$	6,283,050	$	4,052,710	$	2,230,340	$	6,710,258	$	3,692,714	$	3,017,544

(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 June 30, 2016, the weighted average remaining useful life of these assets in service was approximately 2.7 years.
(2)	Patent application costs are amortized over their expected useful life which is generally the remaining legal life of the patent. As of June 30, 2016, the weighted average remaining useful life of these assets in service was approximately 9.0 years.