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Subsequent Events (Details) (Subsequent Event [Member], USD $) In Thousands, except Share data, unless otherwise specified	1 Months Ended
	May 09, 2014
Subsequent Event [Member]
Subsequent Event [Line Items]
Number of common stock from warrants and stock options exercised	479,062
Proceeds from warrants and stock options exercised	$ 383

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- Definition

Stock Issued During Period, Shares, Warrants and Stock Options Exercised

+ References

No definition available.

+ Details

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

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- Definition

Stock Issued During Period, Value, Warrants and Stock Options Exercised

+ References

No definition available.

+ Details

Name:	ino_StockIssuedDuringPeriodValueWarrantsandStockOptionsExercised
Namespace Prefix:	ino_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

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- Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration