Intangible Assets and Goodwill (Tables)

3 Months Ended

Mar. 31, 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:

		March 31, 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	4,708,495		(196,678		)	4,511,817		4,708,495		(116,584		)	4,591,911
Acquired IPR&D	Indefinite	116,000		—			116,000		116,000		—			116,000
Total		$	4,863,519	$	(235,702	)	$	4,627,817	$	4,863,519	$	(155,605	)	$	4,707,914
Goodwill	Indefinite	$	5,052,222	$	(2,901	)	$	5,049,321	$	5,050,786	$	(2,901	)	$	5,047,885

Schedule of Goodwill

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	1,436
Balance at March 31, 2016	$	5,049,321