Gaming Equipment (Details Textual) (USD $)	3 Months Ended	6 Months Ended
Jun. 30, 2014	Jun. 30, 2013	Jun. 30, 2014	Jun. 30, 2013
Gaming Equipment [Line Items]
Cost Of Services Electronic Gaming Machine Depreciation and Amortization	$ 758,000	$ 1,000,000	$ 1,500,000	$ 2,000,000

Depreciation of gaming equipments and property and equipment directly related to services rendered by an entity during the reporting period.

No definition available.

Name:	egt_CostOfServicesElectronicGamingMachineDepreciationAndAmortization
Namespace Prefix:	egt_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration