Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v2.4.1.9
Property and Equipment (Details) (USD $)
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Property and Equipment    
Property and equipment, gross $ 4,442,338us-gaap_PropertyPlantAndEquipmentGross $ 4,275,497us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization (3,889,044)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (3,932,438)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property, plant and equipment, net, total 553,294us-gaap_PropertyPlantAndEquipmentNet 343,059us-gaap_PropertyPlantAndEquipmentNet
Depreciation and amortization expense 239,390us-gaap_DepreciationDepletionAndAmortization 706,779us-gaap_DepreciationDepletionAndAmortization
Laboratory Equipment    
Property and Equipment    
Property and equipment, gross 1,616,420us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= trvn_LaboratoryEquipmentMember
1,853,685us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= trvn_LaboratoryEquipmentMember
Computers and Software    
Property and Equipment    
Property and equipment, gross 554,658us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= trvn_ComputersAndSoftwareMember
509,109us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= trvn_ComputersAndSoftwareMember
Furniture and Fixtures    
Property and Equipment    
Property and equipment, gross 270,845us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
193,781us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Leasehold Improvements    
Property and Equipment    
Property and equipment, gross 1,986,156us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
1,718,922us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
Leased Assets    
Property and Equipment    
Property and equipment, gross $ 14,259us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AssetsLeasedToOthersMember