Quarterly report pursuant to Section 13 or 15(d)

Property, Plant, and Equipment, net - Schedule of Property, Plant and Equipment (Details)

v2.4.1.9
Property, Plant, and Equipment, net - Schedule of Property, Plant and Equipment (Details) (USD $)
In Thousands, unless otherwise specified
Mar. 31, 2015
Dec. 31, 2014
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment $ 37,696us-gaap_PropertyPlantAndEquipmentGross $ 36,425us-gaap_PropertyPlantAndEquipmentGross
Accumulated depreciation (13,292)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment (12,774)us-gaap_AccumulatedDepreciationDepletionAndAmortizationPropertyPlantAndEquipment
Property, plant, and equipment, net 24,404us-gaap_PropertyPlantAndEquipmentNet 23,651us-gaap_PropertyPlantAndEquipmentNet
Leasehold improvements    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 2,023us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
1,592us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_LeaseholdImprovementsMember
Furniture and fixtures    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 1,932us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
2,293us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_FurnitureAndFixturesMember
Equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 18,079us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
17,593us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_EquipmentMember
Computer equipment    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 5,400us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
4,115us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_ComputerEquipmentMember
Computer software    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 5,862us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
5,950us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_SoftwareAndSoftwareDevelopmentCostsMember
Automobiles    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 286us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AutomobilesMember
307us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_AutomobilesMember
Buildings    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 2,649us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
2,649us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_BuildingMember
Albatross (aircraft)    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment 425us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= ent_AirplaneMember
425us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= ent_AirplaneMember
Other    
Property, Plant and Equipment [Line Items]    
Total property, plant, and equipment $ 1,040us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OtherIntangibleAssetsMember
$ 1,501us-gaap_PropertyPlantAndEquipmentGross
/ us-gaap_PropertyPlantAndEquipmentByTypeAxis
= us-gaap_OtherIntangibleAssetsMember