Subsequent Events	12 Months Ended
Dec. 31, 2019
Subsequent Events
Subsequent Events	17. Subsequent Events Resubmission of NDA In February 2020, the Company resubmitted the NDA for oliceridine based on the topline data from the healthy volunteer QT study and the final minutes of the Type A meeting with the FDA. The resubmission package included data from the healthy volunteer QT study, nonclinical data that confirmed levels of the 9662 metabolite, and drug product validation reports. The resubmission package also specified a maximum daily dose of 27 mg, as previously acknowledged by the FDA in the Type A meeting minutes. In the acknowledgment letter, the FDA stated that the Company’s resubmission was a complete, class 2 response to the CRL. As a result, the FDA set a Prescription Drug User Fee Act, or PDUFA, goal date of August 7, 2020 for the completion of its review of the NDA. Transfer to Nasdaq Capital Market On March 4, 2020, the Company transferred the listing of its common stock to the Nasdaq Capital Market, in order to become eligible for an additional 180-day compliance period provided for companies listed on the Nasdaq Capital Market, provided that the Company meets the continued listing requirements for market value of publicly held shares and all other initial listing standards for the Nasdaq Capital Market, with the exception of the minimum bid price requirement, and provided written notice of its intention to cure the deficiency during the second compliance period by effecting a reverse stock split, if necessary. The Company’s common stock continues to trade under the symbol “TRVN.” On March 3, 2020, the Company received notice from Nasdaq that it was granted an additional 180 days, or until August 31, 2020, to regain compliance with the minimum price requirement. Repayment of Term Loans On March 1, 2020, the Company made its final payment under the loan and security agreement with Oxford Finance LLC and Pacific Western Bank, including a final payment fee of $1.9 million, equal to 6.6% of the aggregate amounts borrowed. The Company is no longer required to make any further payments under the loan and security agreement to Oxford Finance LLC and Pacific Western Bank. Appointment of Executive Officer On February 10, 2020, the board of directors of the Company appointed Scott Applebaum as Chief Legal and Compliance Officer and Senior Vice President of Regulatory Affairs. Mr. Applebaum comes to the Company with over 20 years of experience in a variety of senior leadership roles at both large and small companies at various stages of development and commercialization in the biopharmaceuticals sector.

17. Subsequent Events

Resubmission of NDA

In February 2020, the Company resubmitted the NDA for oliceridine based on the topline data from the healthy volunteer QT study and the final minutes of the Type A meeting with the FDA. The resubmission package included data from the healthy volunteer QT study, nonclinical data that confirmed levels of the 9662 metabolite, and drug product validation reports. The resubmission package also specified a maximum daily dose of 27 mg, as previously acknowledged by the FDA in the Type A meeting minutes. In the acknowledgment letter, the FDA stated that the Company’s resubmission was a complete, class 2 response to the CRL. As a result, the FDA set a Prescription Drug User Fee Act, or PDUFA, goal date of August 7, 2020 for the completion of its review of the NDA.

Transfer to Nasdaq Capital Market

On March 4, 2020, the Company transferred the listing of its common stock to the Nasdaq Capital Market, in order to become eligible for an additional 180-day compliance period provided for companies listed on the Nasdaq Capital Market, provided that the Company meets the continued listing requirements for market value of publicly held shares and all other initial listing standards for the Nasdaq Capital Market, with the exception of the minimum bid price requirement, and provided written notice of its intention to cure the deficiency during the second compliance period by effecting a reverse stock split, if necessary. The Company’s common stock continues to trade under the symbol “TRVN.” On March 3, 2020, the Company received notice from Nasdaq that it was granted an additional 180 days, or until August 31, 2020, to regain compliance with the minimum price requirement.

Repayment of Term Loans

On March 1, 2020, the Company made its final payment under the loan and security agreement with Oxford Finance LLC and Pacific Western Bank, including a final payment fee of $1.9 million, equal to 6.6% of the aggregate amounts borrowed. The Company is no longer required to make any further payments under the loan and security agreement to Oxford Finance LLC and Pacific Western Bank.

Appointment of Executive Officer

On February 10, 2020, the board of directors of the Company appointed Scott Applebaum as Chief Legal and Compliance Officer and Senior Vice President of Regulatory Affairs. Mr. Applebaum comes to the Company with over 20 years of experience in a variety of senior leadership roles at both large and small companies at various stages of development and commercialization in the biopharmaceuticals sector.