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Finance lease liability - Narrative (Details) - USD ($) | 12 Months Ended |
--- | --- | ---
Dec. 31, 2018 | Dec. 31, 2017
Disclosure of finance lease and operating lease by lessee [line items] |  |
Imputed interest rate | 7.35% |
Finance lease liability | $ 5,695,000 | $ 6,881,000
Deferred gain on finance lease liability | 2,566,000 | 2,982,000
Building lease |  |
Disclosure of finance lease and operating lease by lessee [line items] |  |
Finance lease liability | 5,695,000 | 6,829,000
Machinery lease |  |
Disclosure of finance lease and operating lease by lessee [line items] |  |
Finance lease liability | $ 0 | $ 52,000

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- Definition Deferred Gain On Finance Lease Liability + References No definition available. + Details
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- Definition Finance Lease Liabilities, Imputed Interest Rate + References No definition available. + Details
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- Definition Line items represent concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes of the table. + References No definition available. + Details
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Balance Type: | na
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- Definition The amount of liabilities related to finance leases. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Note Expiry date 2019-01-01 -Name IAS -Number 1 -IssueDate 2017-01-01 -Paragraph 55 -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IAS&num=1&date=2017-03-02&anchor=para_55&doctype=Standard&book=B -URIDate 2017-03-09 + Details
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- Details
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Namespace Prefix: |
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- Details
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Balance Type: |
Period Type: |