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Basis of accounting	6 Months Ended
	Jun. 30, 2019
Text block [abstract]
Basis of accounting	1. Basis of accounting The unaudited condensed consolidated interim financial statements are prepared under the historical cost convention, except for the revaluation of certain financial instruments as disclosed in our accounting policies.

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- Definition

The disclosure of the basis used for the preparation of the financial statements.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2018-01-01
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-URIDate 2018-03-16

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Text block [abstract]

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No definition available.

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