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 [Abstract]    
Lab equipment $ 1,146cocp_LabEquipment $ 1,113cocp_LabEquipment
Computer and office equipment 87cocp_ComputerAndOfficeEquipment 92cocp_ComputerAndOfficeEquipment
Total equipment 1,233us-gaap_PropertyPlantAndEquipmentGross 1,205us-gaap_PropertyPlantAndEquipmentGross
Less accumulated depreciation (949)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (736)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property and equipment, net $ 284us-gaap_PropertyPlantAndEquipmentNet $ 469us-gaap_PropertyPlantAndEquipmentNet