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SIGNIFICANT ACCOUNTING POLICIES (Schedule of Depreciation Rates for Property and Equipment) (Details) | 12 Months Ended
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Dec. 31, 2014
Computers, software and related equipment [Member] |
Property, Plant and Equipment [Line Items] |
Annual depreciation rate | 33.00%cgen_AnnualDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = us-gaap_ComputerEquipmentMember
Laboratory equipment and office furniture [Member] | Minimum [Member] |
Property, Plant and Equipment [Line Items] |
Annual depreciation rate | 6.00%cgen_AnnualDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cgen_LaboratoryEquipmentAndOfficeFurnitureMember / us-gaap_RangeAxis = us-gaap_MinimumMember
Laboratory equipment and office furniture [Member] | Maximum [Member] |
Property, Plant and Equipment [Line Items] |
Annual depreciation rate | 20.00%cgen_AnnualDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cgen_LaboratoryEquipmentAndOfficeFurnitureMember / us-gaap_RangeAxis = us-gaap_MaximumMember
Laboratory equipment and office furniture [Member] | Mainly [Member] |
Property, Plant and Equipment [Line Items] |
Annual depreciation rate | 20.00%cgen_AnnualDepreciationRate / us-gaap_PropertyPlantAndEquipmentByTypeAxis = cgen_LaboratoryEquipmentAndOfficeFurnitureMember / us-gaap_RangeAxis = cgen_MainlyMember
Leasehold improvements [Member] |
Property, Plant and Equipment [Line Items] |
Annual depreciation rate | Shorter of the term of the lease or useful life

X
- Definition Annual Depreciation Rate + References No definition available. + Details
Name: | cgen_AnnualDepreciationRate
Namespace Prefix: | cgen_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Annual Depreciation Rates, Description. + References No definition available. + Details
Name: | cgen_AnnualDepreciationRateDescription
Namespace Prefix: | cgen_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=cgen_LaboratoryEquipmentAndOfficeFurnitureMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_ComputerEquipmentMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PropertyPlantAndEquipmentByTypeAxis=us-gaap_LeaseholdImprovementsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |