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Subsequent Event (Details) (October 1, 2012 - October 15, 2012 [Member], USD $) In Millions, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
October 1, 2012 - October 15, 2012 [Member]
Subsequent Events (Textual) [Abstract]
Shares of common stock sold under Sales Agreement	2,308,400
Net proceeds from the transaction	$ 1.5

X

- Definition

Common stock sold under sales agreement.

+ References

No definition available.

+ Details

Name:	ino_CommonStockSoldUnderSalesAgreement
Namespace Prefix:	ino_
Data Type:	xbrli:sharesItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Proceeds from issuance of common stock and warrants.

+ References

No definition available.

+ Details

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

X

- Details

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