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Gaming Equipment (Details) (USD $)
In Thousands, unless otherwise specified
 3 Months Ended
Mar. 31, 2015
Dec. 31, 2014
Gaming equipment [Line Items]    
Gaming equipment, Gross $ 19,463egt_GamingEquipmentGross $ 19,347egt_GamingEquipmentGross
Less: accumulated depreciation (14,336)egt_AccumulatedDepreciationGamingEquipmentAndSystems (13,723)egt_AccumulatedDepreciationGamingEquipmentAndSystems
Net 5,127egt_GamingEquipmentNet 5,624egt_GamingEquipmentNet
EGMs [Member]    
Gaming equipment [Line Items]    
Gaming equipment, Gross 17,884egt_GamingEquipmentGross
/ us-gaap_ProductOrServiceAxis
= egt_EGMMember		 17,844egt_GamingEquipmentGross
/ us-gaap_ProductOrServiceAxis
= egt_EGMMember
EGMs [Member] | Minimum [Member]    
Gaming equipment [Line Items]    
Tangible Asset, Useful Life 3 years  
EGMs [Member] | Maximum [Member]    
Gaming equipment [Line Items]    
Tangible Asset, Useful Life 5 years  
Systems [Member]    
Gaming equipment [Line Items]    
Gaming equipment, Gross $ 1,579egt_GamingEquipmentGross
/ us-gaap_ProductOrServiceAxis
= egt_SystemMember		 $ 1,503egt_GamingEquipmentGross
/ us-gaap_ProductOrServiceAxis
= egt_SystemMember
Tangible Asset, Useful Life 5 years