LIABILITIES IN RESPECT OF GOVERNMENT GRANTS (Schedule of Liabilities in Respect of Government Grants) (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2017	Dec. 31, 2016
Disclosure of liabilities in respect of government grants [Abstract]
Balance at January 1,	$ 3,428	$ 3,139
Grants received	302	474
Royalties paid	(158)	(333)
BIRD repayment	(50)
Amounts recorded in profit or loss	20	148
Balance at December 31,	$ 3,542	$ 3,428

The amount of assistance by government in the form of transfers of resources to an entity in return for past or future compliance with certain conditions relating to the operating activities of the entity, recognised as deferred income. They exclude those forms of government assistance that cannot reasonably have a value placed upon them and transactions with government that cannot be distinguished from the normal trading transactions of the entity.

No definition available.

Name:	evgn_GovernmentGrant
Namespace Prefix:	evgn_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant