Annual report pursuant to Section 13 and 15(d)

Property and Equipment (Details)

v2.4.1.9
Property and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
Dec. 31, 2014
Dec. 31, 2013
Property, Plant and Equipment [Line Items]    
Furniture and office equipment $ 4,175us-gaap_PropertyPlantAndEquipmentGross $ 4,157us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation and amortization (2,907)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (2,554)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and equipment, net 1,268us-gaap_PropertyPlantAndEquipmentNet 1,603us-gaap_PropertyPlantAndEquipmentNet
Furniture and office equipment [Member]    
Property, Plant and Equipment [Line Items]    
Furniture and office equipment 388us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
388us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Leasehold improvements [Member]    
Property, Plant and Equipment [Line Items]    
Furniture and office equipment 408us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdsAndLeaseholdImprovementsMember
408us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdsAndLeaseholdImprovementsMember
Laboratory equipment [Member]    
Property, Plant and Equipment [Line Items]    
Furniture and office equipment 2,333us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_PropertyPlantAndEquipmentMember
2,318us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_PropertyPlantAndEquipmentMember
Computer Equipment [Member]    
Property, Plant and Equipment [Line Items]    
Furniture and office equipment $ 1,046us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
$ 1,043us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember