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v3.19.1

Transactions in Soles (Details Textual) | Dec. 31, 2018 | Dec. 31, 2017
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Purchased call options [member] |  |
Disclosure of Transactions in Soles [Line Items] |  |
Closing foreign exchange rate | 0.2968 | 0.3088
Written put options [member] |  |
Disclosure of Transactions in Soles [Line Items] |  |
Closing foreign exchange rate | 0.2959 | 0.3082

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- Definition The spot exchange rate at the end of the reporting period. Exchange rate is the ratio of exchange for two currencies. Spot exchange rate is the exchange rate for immediate delivery. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2018-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2018-03-01&anchor=para_112_c&doctype=Standard -URIDate 2018-03-16 + Details
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