Summary of Significant Accounting Policies (Details 4) (USD $)
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Dec. 31, 2014
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Dec. 31, 2013
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Jul. 08, 2010
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Sep. 19, 2014
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Dec. 31, 2011
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Fair value, warrant liability |
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Transfers between levels within the fair value hierarchy |
$ 0trvn_FairValueMeasurementAssetLiabilitiesTransfersBetweenLevels
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$ 0trvn_FairValueMeasurementAssetLiabilitiesTransfersBetweenLevels
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Fair value of the warrants outstanding |
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350,519us-gaap_DerivativeLiabilitiesNoncurrent
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Warrants |
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Fair value, warrant liability |
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Fair value of the warrants outstanding |
$ 82,851us-gaap_DerivativeLiabilitiesNoncurrent / us-gaap_ClassOfWarrantOrRightAxis = us-gaap_WarrantMember
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Series B-1 warrants |
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Fair value, warrant liability |
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Number of shares called upon exercise of warrants (in shares) |
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1,700,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = trvn_SeriesB1WarrantsMember
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Maximum | Lenders and Placement Agent | Warrants |
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Fair value, warrant liability |
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Number of shares called upon exercise of warrants (in shares) |
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126,685us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = us-gaap_WarrantMember / us-gaap_CounterpartyNameAxis = trvn_LendersAndPlacementAgentMember / us-gaap_RangeAxis = us-gaap_MaximumMember
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Common Stock | Series B-1 warrants |
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Fair value, warrant liability |
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Number of shares called upon exercise of warrants (in shares) |
20,273us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = trvn_SeriesB1WarrantsMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
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Common Stock | Lenders and Placement Agent | Warrants |
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Fair value, warrant liability |
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Number of shares called upon exercise of warrants (in shares) |
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7,678us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = us-gaap_WarrantMember / us-gaap_CounterpartyNameAxis = trvn_LendersAndPlacementAgentMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
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Common Stock | Maximum | Warrants |
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Fair value, warrant liability |
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Number of shares called upon exercise of warrants (in shares) |
20,161us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = us-gaap_WarrantMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_StatementClassOfStockAxis = us-gaap_CommonStockMember
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Series B preferred stock | Warrants |
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Fair value, warrant liability |
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Number of shares called upon exercise of warrants (in shares) |
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125,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = us-gaap_WarrantMember / us-gaap_StatementClassOfStockAxis = us-gaap_SeriesBPreferredStockMember
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Series B 1 convertible preferred stock |
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Fair value, warrant liability |
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Number of shares called upon exercise of warrants (in shares) |
1,650,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesB1PreferredStockMember
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Series B 1 convertible preferred stock | Warrants |
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Fair value, warrant liability |
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Number of shares called upon exercise of warrants (in shares) |
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1,650,000us-gaap_ClassOfWarrantOrRightNumberOfSecuritiesCalledByWarrantsOrRights / us-gaap_ClassOfWarrantOrRightAxis = us-gaap_WarrantMember / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesB1PreferredStockMember
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