Annual report pursuant to Section 13 and 15(d)

Document and Entity Information

Document and Entity Information - USD ($)
$ in Millions
12 Months Ended
Dec. 31, 2020
Mar. 05, 2021
Jun. 30, 2020
Document and Entity Information      
Document Type 10-K    
Document Annual Report true    
Document Period End Date Dec. 31, 2020    
Document Transition Report false    
Entity File Number 001-36193    
Entity Registrant Name TREVENA INC    
Entity Incorporation, State or Country Code DE    
Entity Tax Identification Number 26-1469215    
Entity Address, Address Line One 955 Chesterbrook Blvd.    
Entity Address, Address Line Two Suite 110    
Entity Address, City or Town Chesterbrook    
Entity Address, State or Province PA    
Entity Address, Postal Zip Code 19087    
City Area Code 610    
Local Phone Number 354-8840    
Title of 12(b) Security Common Stock, par value $0.001 per share    
Trading Symbol TRVN    
Security Exchange Name NASDAQ    
Entity Current Reporting Status Yes    
Entity Interactive Data Current Yes    
Entity Filer Category Non-accelerated Filer    
Entity Small Business true    
Entity Emerging Growth Company false    
Entity Shell Company false    
Entity Well-known Seasoned Issuer No    
Entity Voluntary Filers No    
Entity Public Float     $ 189.4
Entity Common Stock, Shares Outstanding   161,273,660  
Entity Central Index Key 0001429560    
Current Fiscal Year End Date --12-31    
Document Fiscal Year Focus 2020    
Document Fiscal Period Focus FY    
Amendment Flag false