Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

General (Details)

v3.19.1
General (Details)
12 Months Ended
Dec. 31, 2018
Dorad Energy Ltd [Member]  
Disclosure of associates [line items]  
Proportion of ownership interest 9.375%
Chashgal Elyon Ltd. [Member]  
Disclosure of associates [line items]  
Proportion of ownership interest 75.00%
Groen Gas Goor B.V [Member]  
Disclosure of associates [line items]  
Proportion of ownership interest 51.00%