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Subsequent Events (Details) (Subsequent Event [Member], USD $) In Thousands, except Share data, unless otherwise specified | 1 Months Ended
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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

X
- Definition Stock Issued During Period, Shares, Warrants and Stock Options Exercised + References No definition available. + Details
Name: | ino_StockIssuedDuringPeriodSharesWarrantsandStockOptionsExercised
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
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration