Goodwill and intangible assets gross.

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- Definition

Goodwill and intangible assets net.

+ References

No definition available.

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- Definition

Useful life of finite-lived intangible assets, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

No definition available.

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- Definition

Accumulated amount of amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 30
-Section 50
-Paragraph 2
-Subparagraph (a)(1)
-URI http://asc.fasb.org/extlink&oid=66006027&loc=d3e16323-109275

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- Definition

Amount before amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount after amortization of assets, excluding financial assets and goodwill, lacking physical substance with a finite life.

+ References

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- Definition

Amount after accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 50
-Paragraph 1
-Subparagraph (a)
-URI http://asc.fasb.org/extlink&oid=35741047&loc=d3e13816-109267

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=6388280&loc=d3e13770-109266

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 350
-SubTopic 20
-Section 45
-Paragraph 5
-URI http://asc.fasb.org/extlink&oid=77989000&loc=SL49117168-202975

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- Definition

Amount before accumulated impairment loss of an asset representing future economic benefits arising from other assets acquired in a business combination that are not individually identified and separately recognized.

+ References

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- References

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Goodwill and Intangible Assets - Schedule Goodwill and Intangible Assets (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Dec. 31, 2017	Apr. 30, 2016	Jun. 30, 2009	Jan. 31, 2005
Indefinite lived:
Goodwill, gross	$ 10,513,371	$ 10,513,371
Goodwill, net book value	10,513,371	10,513,371
Definite lived:
Intangible assets, gross	24,717,873	24,717,873
Intangible assets, accumulated amortization	(19,112,206)	(18,708,144)
Intangible assets, net book value	5,605,667	6,009,729
Total goodwill and intangible assets, gross	35,231,244	35,231,244
Total goodwill and intangible assets, net book value	$ 16,119,038	16,523,100
Minimum
Definite lived:
Useful Life	2 years
Maximum
Definite lived:
Useful Life	18 years
Inovio AS
Indefinite lived:
Goodwill, net book value					$ 3,900,000
VGX
Indefinite lived:
Goodwill, net book value				$ 6,200,000
Bioject
Indefinite lived:
Goodwill, net book value			$ 400,000
Patents
Definite lived:
Useful Life	17 years
Intangible assets, gross	$ 5,802,528	5,802,528
Intangible assets, accumulated amortization	(5,696,775)	(5,681,673)
Intangible assets, net book value	$ 105,753	120,855
Patents \| Minimum
Definite lived:
Useful Life	8 years
Patents \| Maximum
Definite lived:
Useful Life	17 years
Licenses
Definite lived:
Intangible assets, gross	$ 1,323,761	1,323,761
Intangible assets, accumulated amortization	(1,197,796)	(1,190,609)
Intangible assets, net book value	$ 125,965	133,152
Licenses \| Minimum
Definite lived:
Useful Life	8 years
Licenses \| Maximum
Definite lived:
Useful Life	17 years
CELLECTRA
Definite lived:
Intangible assets, gross	$ 8,106,270	8,106,270
Intangible assets, accumulated amortization	(7,358,878)	(7,252,108)
Intangible assets, net book value	$ 747,392	854,162
CELLECTRA \| Minimum
Definite lived:
Useful Life	5 years
CELLECTRA \| Maximum
Definite lived:
Useful Life	11 years
GHRH
Definite lived:
Useful Life	11 years
Intangible assets, gross	$ 335,314	335,314
Intangible assets, accumulated amortization	(279,868)	(271,948)
Intangible assets, net book value	55,446	63,366
Bioject
Definite lived:
Intangible assets, gross	5,100,000	5,100,000
Intangible assets, accumulated amortization	(1,616,389)	(1,405,556)
Intangible assets, net book value	$ 3,483,611	3,694,444
Bioject \| Minimum
Definite lived:
Useful Life	2 years
Bioject \| Maximum
Definite lived:
Useful Life	15 years
Other
Definite lived:
Useful Life	18 years
Intangible assets, gross	$ 4,050,000	4,050,000
Intangible assets, accumulated amortization	(2,962,500)	(2,906,250)
Intangible assets, net book value	$ 1,087,500	$ 1,143,750