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Fair Value Measurements (Details 1) (USD $)	12 Months Ended
	Dec. 31, 2014	Dec. 31, 2013
Assumptions used to estimate the fair values of the common stock warrants
Dividend yield	$ 0us-gaap_FairValueAssumptionsExpectedDividendPayments	$ 0us-gaap_FairValueAssumptionsExpectedDividendPayments
Minimum
Assumptions used to estimate the fair values of the common stock warrants
Risk-free interest rate	1.10%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_RangeAxis = us-gaap_MinimumMember	0.10%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_RangeAxis = us-gaap_MinimumMember
Expected volatility	81.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_RangeAxis = us-gaap_MinimumMember	90.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_RangeAxis = us-gaap_MinimumMember
Expected life in years		6 months
Maximum
Assumptions used to estimate the fair values of the common stock warrants
Risk-free interest rate		1.80%us-gaap_FairValueAssumptionsRiskFreeInterestRate / us-gaap_RangeAxis = us-gaap_MaximumMember
Expected volatility		112.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / us-gaap_RangeAxis = us-gaap_MaximumMember
Expected life in years	3 years 8 months 12 days	4 years 8 months 12 days
OncoSec common stock warrants
Assumptions used to estimate the fair values of the common stock warrants
Risk-free interest rate	0.67%us-gaap_FairValueAssumptionsRiskFreeInterestRate / ino_OncoSecCommonStockWarrantsAxis = ino_OncoSecCommonStockWarrantsMember	0.78%us-gaap_FairValueAssumptionsRiskFreeInterestRate / ino_OncoSecCommonStockWarrantsAxis = ino_OncoSecCommonStockWarrantsMember
Expected volatility	90.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / ino_OncoSecCommonStockWarrantsAxis = ino_OncoSecCommonStockWarrantsMember	85.00%us-gaap_FairValueAssumptionsExpectedVolatilityRate / ino_OncoSecCommonStockWarrantsAxis = ino_OncoSecCommonStockWarrantsMember
Dividend yield	$ 0us-gaap_FairValueAssumptionsExpectedDividendPayments / ino_OncoSecCommonStockWarrantsAxis = ino_OncoSecCommonStockWarrantsMember	$ 0us-gaap_FairValueAssumptionsExpectedDividendPayments / ino_OncoSecCommonStockWarrantsAxis = ino_OncoSecCommonStockWarrantsMember
OncoSec common stock warrants | Minimum
Assumptions used to estimate the fair values of the common stock warrants
Expected life in years	1 year 9 months	2 years 9 months
OncoSec common stock warrants | Maximum
Assumptions used to estimate the fair values of the common stock warrants
Expected life in years	2 years 9 months	3 years 3 months

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Amount of dividends expected to be paid to holders of the underlying shares or contracted instruments over the term of the instruments life.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 820

-SubTopic 10

-Section 50

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Period the instrument, asset or liability is expected to be outstanding, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Measure of dispersion, in percentage terms (for instance, the standard deviation or variance), for a given stock price.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

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Risk-free interest rate assumption used in valuing an instrument.

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