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Significant commitments and contingencies (Tables) | 12 Months Ended
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Dec. 31, 2019
Text block [abstract] |
Future Minimum Lease Obligation Payable under Operating Lease Contracts | Future minimum lease obligation payable under those leases are as follows:
|  | December 31, 2018 |
|  | NT$000 |
Within 1 year |  |  | 68,631 |
1 to 5 years |  |  | 140,137 |
Over 5 years |  |  | 111,446 |
|  |  | 320,214 |
Capital Expenditures that are Contracted for, but not Provided for | Capital expenditures that are contracted for, but not provided for are as follows:
|  | December 31, 2018 |  |  | December 31, 2019 |
|  | NT$000 |  |  | NT$000 |
Property, plant and equipment |  |  | 2,508,797 |  |  |  | 1,640,712 |

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- Definition The disclosure of additional information that is not presented elsewhere in the financial statements, but that is relevant to an understanding of them. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 1 -IssueDate 2019-01-01 -Paragraph 112 -Subparagraph c -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=1&code=ifrs-tx-2019-en-r&anchor=para_112_c&doctype=Standard -URIDate 2019-03-27 + Details
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- Definition The disclosure of a maturity analysis of operating lease payments. Operating lease is a lease that does not transfer substantially all the risks and rewards incidental to ownership of an underlying asset. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 16 -IssueDate 2019-01-01 -Paragraph 97 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IFRS&num=16&code=ifrs-tx-2019-en-r&anchor=para_97&doctype=Standard -URIDate 2019-03-27 + Details
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