Organization and Description of the Business (Details) (USD $)
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0 Months Ended | 1 Months Ended | 12 Months Ended | |||||
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Dec. 10, 2014
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Mar. 06, 2014
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Feb. 05, 2014
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Oct. 30, 2013
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Mar. 06, 2014
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Dec. 31, 2014
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Dec. 31, 2013
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Dec. 31, 2012
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Organization and Description of the Business | ||||||||
Number of operating segments | 1us-gaap_NumberOfOperatingSegments | |||||||
Reverse stock split ratio | 0.1613us-gaap_StockholdersEquityNoteStockSplitConversionRatio1 | |||||||
Public Offering | ||||||||
Issuance of common stock in public offering (in shares) | 11,250,000trvn_StockIssuedDuringPeriodSharesNewIssuesPublicOffering | |||||||
Issuance of common stock underwriters allotment option (in shares) | 1,598,000trvn_StockIssuedDuringPeriodSharesNewIssuesExerciseOfUnderwritersAllotmentOption | |||||||
Issuance of common stock (in shares) | 12,848,000us-gaap_StockIssuedDuringPeriodSharesNewIssues | 270,449us-gaap_StockIssuedDuringPeriodSharesNewIssues | 9,250,000us-gaap_StockIssuedDuringPeriodSharesNewIssues | |||||
Public offering price (in dollars per share) | $ 4.00us-gaap_EquityIssuancePerShareAmount | $ 7.00us-gaap_EquityIssuancePerShareAmount | $ 7.00us-gaap_EquityIssuancePerShareAmount | |||||
Aggregate gross proceeds from shares sold | $ 51,400,000us-gaap_StockIssuedDuringPeriodValueNewIssues | $ 1,900,000us-gaap_StockIssuedDuringPeriodValueNewIssues | $ 64,800,000us-gaap_StockIssuedDuringPeriodValueNewIssues | |||||
Number of outstanding warrants not exercised as part of the IPO | 22,580trvn_OutstandingWarrantsNotExercisedAsPartOfInitialPublicOffering | |||||||
Shares of common stock issued upon conversion of outstanding convertible preferred stock and net exercise of a portion of warrants | 15,728,286trvn_StockIssuedDuringPeriodSharesConversionOfConvertibleSecuritiesAndWarrantsExercised | |||||||
Payment of underwriting discounts and commissions | 3,100,000us-gaap_PaymentsOfStockIssuanceCosts | 4,700,000us-gaap_PaymentsOfStockIssuanceCosts | ||||||
Offering expense | 600,000trvn_OfferingExpenses | 2,500,000trvn_OfferingExpenses | ||||||
Net offering proceeds after deducting underwriting discounts and commissions and offering expenses | 59,534,984us-gaap_ProceedsFromIssuanceInitialPublicOffering | |||||||
Proceeds from issuance of common stock, net | 47,700,000us-gaap_ProceedsFromIssuanceOfCommonStock | 107,290,323us-gaap_ProceedsFromIssuanceOfCommonStock | ||||||
Liquidity | ||||||||
Accumulated deficit | (131,969,725)us-gaap_RetainedEarningsAccumulatedDeficit | (82,268,850)us-gaap_RetainedEarningsAccumulatedDeficit | ||||||
Net loss | (49,700,875)us-gaap_NetIncomeLoss | (23,251,435)us-gaap_NetIncomeLoss | ||||||
Cash and cash equivalents | 36,205,559us-gaap_CashAndCashEquivalentsAtCarryingValue | 37,965,198us-gaap_CashAndCashEquivalentsAtCarryingValue | 6,738,659us-gaap_CashAndCashEquivalentsAtCarryingValue | |||||
Marketable securities | 70,698,640us-gaap_MarketableSecurities | |||||||
Amount available for withdrawal under credit facility | $ 16,500,000us-gaap_LineOfCreditFacilityMaximumBorrowingCapacity |
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Amount of offering expense associated with the entity's public offerings. No definition available.
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Represents the number of outstanding warrants that were not exercised as part of the Initial Public Offering. No definition available.
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Number of shares issued during the period as a result of the conversion of convertible securities and exercise of warrants. No definition available.
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Number of shares issued under exercise of underwriters allotment option. No definition available.
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Number of shares issued in a public offering. No definition available.
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Amount of currency on hand as well as demand deposits with banks or financial institutions. Includes other kinds of accounts that have the general characteristics of demand deposits. Also includes short-term, highly liquid investments that are both readily convertible to known amounts of cash and so near their maturity that they present insignificant risk of changes in value because of changes in interest rates. Excludes cash and cash equivalents within disposal group and discontinued operation. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Amount per share or per unit assigned to the consideration received of equity securities issued for development stage entities. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Maximum borrowing capacity under the credit facility without consideration of any current restrictions on the amount that could be borrowed or the amounts currently outstanding under the facility. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Total debt and equity financial instruments including: (1) securities held-to-maturity, (2) trading securities, and (3) securities available-for-sale. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The portion of profit or loss for the period, net of income taxes, which is attributable to the parent. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Number of operating segments. An operating segment is a component of an enterprise: (a) that engages in business activities from which it may earn revenues and incur expenses (including revenues and expenses relating to transactions with other components of the same enterprise), (b) whose operating results are regularly reviewed by the enterprise's chief operating decision maker to make decisions about resources to be allocated to the segment and assess its performance, and (c) for which discrete financial information is available. An operating segment may engage in business activities for which it has yet to earn revenues, for example, start-up operations may be operating segments before earning revenues. No definition available.
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The cash outflow for cost incurred directly with the issuance of an equity security. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cash inflow associated with the amount received from entity's first offering of stock to the public. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cash inflow from the additional capital contribution to the entity. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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The cumulative amount of the reporting entity's undistributed earnings or deficit. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Ratio applied to the conversion of stock split, for example but not limited to, one share converted to two or two shares converted to one. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Number of new stock issued during the period. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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Equity impact of the value of new stock issued during the period. Includes shares issued in an initial public offering or a secondary public offering. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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