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Note 4 - Change in Significant Accounting Policies (Details Textual) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017		Dec. 31, 2016
Statement Line Items [Line Items]
Impairment loss recognised in profit or loss, trade receivables		$ 181	[1]
IFRS 9 [member]
Statement Line Items [Line Items]
Impairment loss recognised in profit or loss, trade receivables		$ 181
[1] Restated, refer note 4(a).

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- Definition

The amount of impairment loss recognised in profit or loss for trade receivables. [Refer: Impairment loss recognised in profit or loss; Trade receivables]

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name IAS
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-IssueDate 2017-01-01
-Paragraph 112
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-URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_112_c&doctype=Standard
-URIDate 2017-03-09

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