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Gains (losses) from operating activities in the statement of income by function of expenses, included according to their nature (Details 2) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
Discounts obtained from suppliers | $ 346 | $ 771 | $ 1,343
Indemnities received | 2,813 | 205 | 39
Fines charged to suppliers | 199 | 358 | 73
Taxes recovered | 47 | 26 | 12
Amounts recovered from insurance | 154 | 5,636 | 2,182
Overestimate of provisions for third-party obligations | 587 | 573 | 1,039
Overestimate of doubtful accounts | 3 | 56 | 115
Sale of property, plant and equipment | 1,278 | 657 | 8
Sale of materials, spare parts and supplies | 0 | 30 | 1,358
Sale of scrap materials | 0 | 1 | 0
Options on mining claims | 2,607 | 2,577 | 2,261
Interest charged to direct customers | 317 | 0 | 0
Easements, pipelines and roads | 4,656 | 219 | 1,980
Non-conventional renewable energy | 0 | 639 | 344
Reimbursement mining licenses and notary expenses | 1,197 | 1,300 | 1,025
Miscellaneous services | 4 | 0 | 405
Shares obtained in junior mining companies | 2,263 | 421 | 0
Reversal of allowance for inventories | 0 | 815 | 0
Other operating income | 1,356 | 918 | 3,159
Total | $ 17,827 | $ 15,202 | $ 15,343

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- Definition The gains (losses) on disposals of non-current assets. [Refer: Non-current assets] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -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 + Details
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- Definition The amount of income arising from fines and penalties. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -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 + Details
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- Definition The amount of interest income on loans and advances to customers. [Refer: Interest income; Loans and advances to customers] + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 112 -Subparagraph c -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 + Details
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- Definition The amount of operating income that the entity does not separately disclose in the same statement or note. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 26 -IssueDate 2017-01-01 -Paragraph 35 -Subparagraph b -Clause iv -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=26&date=2017-03-01&anchor=para_35_b_iv&doctype=Standard -URIDate 2017-03-09 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 103 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_103&doctype=Standard -URIDate 2017-03-09 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 102 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-01&anchor=para_102&doctype=Standard -URIDate 2017-03-09 + Details
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