Intangible Assets (Tables)

9 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Components of Intangible Assets

The components of our intangible assets at September 30, 2016 are summarized below:

Intangible Asset Class	Cost		Accumulated Amortization			Net Carrying Amount		Weighted Average Amortization Period
Patents and licenses	$	160,436	$	(121,609	)	$	38,827		15 years