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Investments (Details Textual) (USD $) In Millions, unless otherwise specified	3 Months Ended	6 Months Ended
	Jun. 30, 2012	Jun. 30, 2012
Investments (Textual) [Abstract]
Investment impairment charges	$ 0	$ 0

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- Definition

Investment impairment charges.

+ References

No definition available.

+ Details

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Namespace Prefix:	ino_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

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- Details

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Namespace Prefix:	ino_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration