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Warrant Liabilities (Details Textual) (Warrant [Member], USD $)
9 Months Ended 12 Months Ended
Sep. 30, 2014
Dec. 31, 2013
Aug. 19, 2014
Jan. 22, 2014
Jun. 25, 2013
Warrant [Member]
         
Warrant Liabilities (Textual)          
Amount Of Initial Warrant Liability         $ 4,827,788sngx_AmountOfInitialWarrantLiability
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Warrants Exercised 586,081sngx_WarrantsExercised
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  336,081sngx_WarrantsExercised
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250,000sngx_WarrantsExercised
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Warrant Liability to Additional Paid in Capital 1,055,490sngx_WarrantLiabilityToAdditionalPaidInCapital
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Non-cash charge or the change in the fair value $ 203,703us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease
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$ 3,654,770us-gaap_FairValueMeasurementWithUnobservableInputsReconciliationRecurringBasisLiabilityPeriodIncreaseDecrease
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Share Price $ 2.00us-gaap_SharePrice
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$ 1.80us-gaap_SharePrice
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$ 2.05us-gaap_SharePrice
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$ 2.29us-gaap_SharePrice
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$ 0.96us-gaap_SharePrice
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Commo stock, shares, issued 143,004us-gaap_StockIssuedDuringPeriodSharesNewIssues
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