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Share Capital (Narrative) (Details) | 1 Months Ended | 12 Months Ended
--- | --- | ---
Feb. 28, 2017 USD ($) $ / shares shares | Dec. 31, 2018 USD ($) item $ / shares shares | Dec. 31, 2017 USD ($)
Disclosure of classes of share capital [line items] |  |  |
Issue of equity |  |  | $ 69,786,000
Number of shares that remain available under the plan for issuance | item |  | 1,574,403 |
Expense from share-based payment transactions with employees |  | $ 3,701,000 | 3,841,000
Stock Options Class of Share Capital [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Issuance of common shares, shares | shares | 11,873,750 |  |
Shares issued for the period per share amount | $ / shares | 6.30 |  |
Proceeds from issuing shares, gross | $ 74,804,000 |  |
Proceeds from issuing shares | $ 70,497,000 |  |
Number of shares authorised | shares |  | 12,200,000 |
Granted, options |  | 648,502 |
Option life, share options granted |  | 3 |
Description of expected forfeiture rate | item |  | 5.57 |
Expected dividend, share options granted |  | $ 0 |
Description of option pricing model, share options granted |  | Black-Scholes model |
Expense from share-based payment transactions with employees |  | $ 1,358,000 | $ 674,000
Stock Options Class of Share Capital [member] | Bottom of range [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Risk free interest rate, share options granted |  | 1.79% |
Expected volatility, share options granted |  | 67.56% |
Fair value per share granted options | $ / shares |  | $ 2.69 |
Stock Options Class of Share Capital [member] | Top of range [member] |  |  |
Disclosure of classes of share capital [line items] |  |  |
Risk free interest rate, share options granted |  | 1.90% |
Expected volatility, share options granted |  | 68.16% |
Fair value per share granted options | $ / shares |  | $ 3.09 |

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- Definition Fair value per share granted options. + References No definition available. + Details
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- Definition Gross proceeds from issuing shares including issuance costs. + References No definition available. + Details
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- Definition The expected volatility of the share price used to calculate the fair value of the share options granted. Expected volatility is a measure of the amount by which a price is expected to fluctuate during a period. The measure of volatility used in option pricing models is the annualised standard deviation of the continuously compounded rates of return on the share over a period of time. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The implied yield currently available on zero-coupon government issues of the country in whose currency the exercise price for share options granted is expressed, with a remaining term equal to the expected term of the option being valued (based on the option's remaining contractual life and taking into account the effects of expected early exercise). [Refer: Government [member]] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2017-03-09 + Details
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- Definition The amount of an expected dividend used to calculate the fair value of share options granted. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IFRS -Number 2 -IssueDate 2017-01-01 -Paragraph 47 -Subparagraph a -Clause i -URI http://eifrs.ifrs.org/eifrs/XBRL?type=IFRS&num=2&date=2017-03-01&anchor=para_47_a_i&doctype=Standard -URIDate 2017-03-09 + Details
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