2008 and 2013 Equity Incentive Plans (Details 3) (USD $) In Millions, except Share data, unless otherwise specified
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12 Months Ended |
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Dec. 31, 2014
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Dec. 31, 2013
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Nov. 16, 2009
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Jun. 30, 2009
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Sep. 30, 2008
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Jan. 31, 2008
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Jan. 07, 2008
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Dec. 15, 2011
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Jul. 08, 2011
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Jul. 08, 2010
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May 03, 2013
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Dec. 31, 2012
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2008 and 2013 Equity Incentive Plans |
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Per share price of Company's closing stock price (in dollars per share) |
1.00us-gaap_SharePrice
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Shares of common stock reserved for issuance |
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Common stock options outstanding (in shares) |
3,574,450us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber
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Common stock options and restricted stock available for future grant (2013 Plan) (in shares) |
829,364us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant
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Common stock warrants outstanding (in shares) |
30,258us-gaap_ClassOfWarrantOrRightOutstanding
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Total shares of common stock reserved for issuance |
4,434,072us-gaap_CommonStockCapitalSharesReservedForFutureIssuance
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Estimated |
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Weighted-average assumptions: |
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Estimated annual forfeiture rate (as a percent) |
7.00%trvn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsEstimatedForfeitureRate / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
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5.00%trvn_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsEstimatedForfeitureRate / us-gaap_StatementScenarioAxis = us-gaap_ScenarioForecastMember
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Series A convertible preferred stock |
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2008 and 2013 Equity Incentive Plans |
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Per share price of Company's closing stock price (in dollars per share) |
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesAPreferredStockMember
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesAPreferredStockMember
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesAPreferredStockMember
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesAPreferredStockMember
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesAPreferredStockMember
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Series B 1 convertible preferred stock |
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2008 and 2013 Equity Incentive Plans |
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Per share price of Company's closing stock price (in dollars per share) |
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesB1PreferredStockMember
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesB1PreferredStockMember
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Series B convertible preferred stock |
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2008 and 2013 Equity Incentive Plans |
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Per share price of Company's closing stock price (in dollars per share) |
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesBPreferredStockMember
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesBPreferredStockMember
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$ 1.00us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesBPreferredStockMember
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Shares of common stock reserved for issuance |
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Common stock warrants outstanding (in shares) |
1,225,000us-gaap_ClassOfWarrantOrRightOutstanding / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesBPreferredStockMember
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Series C convertible preferred stock |
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2008 and 2013 Equity Incentive Plans |
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Per share price of Company's closing stock price (in dollars per share) |
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$ 1.632us-gaap_SharePrice / us-gaap_StatementClassOfStockAxis = trvn_RedeemableConvertibleSeriesCPreferredStockMember
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Stock options |
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2008 and 2013 Equity Incentive Plans |
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Intrinsic value of options exercisable |
6.4us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardOptionsExercisableIntrinsicValue1 / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Per share price of Company's closing stock price (in dollars per share) |
5.98us-gaap_SharePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Weighted average exercise price (in dollars per share) |
2.26us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsExercisableWeightedAverageExercisePrice / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Per-share weighted-average grant date fair value of options granted (in dollars per share) |
4.43us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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2.52us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsGrantsInPeriodWeightedAverageGrantDateFairValue / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Weighted-average assumptions: |
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Unrecognized compensation expense |
6.1us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedStockOptions / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Weighted average remaining period for recognition of unrecognized compensation expense |
2 years 10 months 13 days
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Shares of common stock reserved for issuance |
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Common stock options outstanding (in shares) |
3,574,450us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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2,795,746us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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1,523,156us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardOptionsOutstandingNumber / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Common stock options and restricted stock available for future grant (2013 Plan) (in shares) |
829,364us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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83,465us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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171,803us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardNumberOfSharesAvailableForGrant / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember
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Stock options | Weighted-average |
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Weighted-average assumptions: |
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Risk-free interest rate (as a percent) |
1.80%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember
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1.52%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsRiskFreeInterestRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember
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Expected term of options (in years) |
5 years 9 months 18 days
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6 years 1 month 6 days
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Expected volatility (as a percent) |
75.90%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember
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80.50%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedVolatilityRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember
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Dividend yield (as a percent) |
0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember
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0.00%us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardFairValueAssumptionsExpectedDividendRate / us-gaap_AwardTypeAxis = us-gaap_EmployeeStockOptionMember / us-gaap_RangeAxis = us-gaap_WeightedAverageMember
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