Intangible Assets and Goodwill (Tables)

9 Months Ended

Sep. 30, 2016

Goodwill and Intangible Assets Disclosure [Abstract]

Schedule of Intangible Assets and Goodwill

The following table summarizes the carrying amount of our intangible assets and goodwill, net of accumulated amortization:

		September 30, 2016							December 31, 2015
	Estimated Life (years)	Cost		Accumulated Amortization			Net		Cost		Accumulated Amortization			Net
Licenses	6-8	$	28,507	$	(28,507	)	$	—	$	28,507	$	(28,504	)	$	3
Patents	7	10,517		(10,517		)	—		10,517		(10,517		)	—
Purchased technology	6-16	4,710,495		(358,769		)	4,351,726		4,708,495		(116,584		)	4,591,911
Acquired IPR&D	Indefinite	116,000		—			116,000		116,000		—			116,000
Total		$	4,865,519	$	(397,793	)	$	4,467,726	$	4,863,519	$	(155,605	)	$	4,707,914
Goodwill	Indefinite	$	5,040,345	$	(2,901	)	$	5,037,444	$	5,050,786	$	(2,901	)	$	5,047,885

Schedule of Goodwill [Table Text Block]

The following table summarizes the changes in the carrying amount of goodwill:

Balance at December 31, 2015	$	5,047,885
Change in goodwill associated with prior acquisition	(10,441		)
Balance at September 30, 2016	$	5,037,444