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Goodwill and Intangible Assets (Tables)

6 Months Ended

Jun. 30, 2019

Goodwill and Intangible Assets Disclosure [Abstract]

Summary of intangible assets by major asset class

The following sets forth the goodwill and intangible assets by major asset class:



			June 30, 2019												December 31, 2018
	Useful Life (Yrs)		Gross				Accumulated Amortization				Net Book Value				Gross				Accumulated Amortization				Net Book Value
Indefinite lived:
Goodwill(a)			$	10,513,371			$	—			$	10,513,371			$	10,513,371			$	—			$	10,513,371
Definite lived:
Patents	8 – 17		5,802,528				(5,772,282		)		30,246				5,802,528				(5,742,079		)		60,449
Licenses	8 – 17		1,323,761				(1,233,731		)		90,030				1,323,761				(1,219,357		)		104,404
CELLECTRA^®(b)	5 – 11		8,106,270				(7,892,730		)		213,540				8,106,270				(7,679,190		)		427,080
GHRH(b)	11		335,314				(319,472		)		15,842				335,314				(303,630		)		31,684
Bioject(c)	2 – 15		5,100,000				(2,028,889		)		3,071,111				5,100,000				(1,882,222		)		3,217,778
Other(d)	18		4,050,000				(3,243,750		)		806,250				4,050,000				(3,131,250		)		918,750
Total intangible assets			24,717,873				(20,490,854		)		4,227,019				24,717,873				(19,957,728		)		4,760,145
Total goodwill and intangible assets			$	35,231,244			$	(20,490,854	)		$	14,740,390			$	35,231,244			$	(19,957,728	)		$	15,273,516


(a)	Goodwill was recorded from the Inovio AS acquisition in January 2005, the acquisition of VGX in June 2009 and the acquisition of Bioject in April 2016 for $3.9 million, $6.2 million and $400,000, respectively.


(b)	CELLECTRA^® and GHRH are developed technologies which were recorded from the acquisition of VGX.


(c)	Bioject intangible assets represent the estimated fair value of developed technology and intellectual property which were recorded from the Bioject asset acquisition.


(d)	Other intangible assets represent the estimated fair value of acquired intellectual property from the Inovio AS acquisition.