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Investment properties, net (Tables) | 12 Months Ended
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Dec. 31, 2017
Disclosure of inventory net [Line Items] |
Disclosure of detailed information about investment property [text block] | The movement of cost and accumulated depreciation for the years 2017 and 2016 is presented below:
|  | Balance as of January 1, 2016 |  | Addition (reversal) |  | Balance as of December 31, 2016 |  | Additions |  | Sales |  | Balance as of December 31, 2017 |
|  | US$(000) |  | US$(000) |  | US$(000) |  | US$(000) |  | US$(000) |  | US$(000) |
Cost |  |  | 12,103 |  |  | (92) |  |  | 12,011 |  |  | 157 |  |  | (11,826) |  |  | 342 |
Accumulated depreciation |  |  | (1,384) |  |  | (538) |  |  | (1,922) |  |  | (462) |  |  | 2,264 |  |  | (120) |
Net cost |  |  | 10,719 |  |  |  |  |  | 10,089 |  |  |  |  |  |  |  |  | 222 |

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- Definition The disclosure of detailed information about investment property. [Refer: Investment property] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 40 -IssueDate 2017-01-01 -Paragraph 32A -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=40&date=2017-03-01&anchor=para_32A&doctype=Standard -URIDate 2017-03-09 + Details
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