Financial Instruments and Financial Risk Management - Disclosure of Fair Value Measurement of Assets (Details) - USD ($) $ in Thousands | Jun. 30, 2019 | Dec. 31, 2018 |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | $ 4,489 | $ 7,303 |
Financial liabilities at fair value through profit or loss, category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | (1,451) | (3,634) |
Financial Liabilities At Amortised Cost Category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | (4,604) | (4,238) |
Payables And Accrued Liabilities [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | (3,200) | (2,940) |
Provision For Restructuring And Other Costs [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | (1,404) | (1,298) |
Warrant Liability [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | (1,451) | (3,634) |
Payables And Accrued Liabilities [Member] | Financial liabilities at fair value through profit or loss, category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | |
Payables And Accrued Liabilities [Member] | Financial Liabilities At Amortised Cost Category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | (3,200) | (2,940) |
Provision For Restructuring And Other Costs [Member] | Financial liabilities at fair value through profit or loss, category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | |
Provision For Restructuring And Other Costs [Member] | Financial Liabilities At Amortised Cost Category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | (1,298) |
Warrant Liability [Member] | Financial liabilities at fair value through profit or loss, category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | (1,451) | (3,634) |
Warrant Liability [Member] | Financial Liabilities At Amortised Cost Category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | (1,404) | |
Cash and Cash Equivalents [Member] | Financial liabilities at fair value through profit or loss, category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | [1] | | |
Cash and Cash Equivalents [Member] | Financial Liabilities At Amortised Cost Category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | [1] | | |
Trade And Other Receivables [Member] | Financial liabilities at fair value through profit or loss, category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | |
Trade And Other Receivables [Member] | Financial Liabilities At Amortised Cost Category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | |
Restricted Cash [Member] | Financial liabilities at fair value through profit or loss, category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | |
Restricted Cash [Member] | Financial Liabilities At Amortised Cost Category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | |
Financial Assets At Amortised Cost Category [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | 10,544 | 15,175 |
Financial Assets At Amortised Cost Category [Member] | Payables And Accrued Liabilities [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | |
Financial Assets At Amortised Cost Category [Member] | Provision For Restructuring And Other Costs [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | |
Financial Assets At Amortised Cost Category [Member] | Warrant Liability [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | | |
Financial Assets At Amortised Cost Category [Member] | Cash and Cash Equivalents [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | [1] | 9,683 | 14,512 |
Financial Assets At Amortised Cost Category [Member] | Trade And Other Receivables [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | 494 | 245 |
Financial Assets At Amortised Cost Category [Member] | Restricted Cash [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | 367 | 418 |
Cash and Cash Equivalents [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | [1] | 9,683 | 14,512 |
Trade And Other Receivables [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | 494 | 245 |
Restricted Cash [Member] | | | |
Disclosure of detailed information about financial instruments [line items] | | | |
Financial asset (liabilities) | | $ 367 | $ 418 |
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[1] | As of June 30, 2019 and December 31, 2018, cash and cash equivalents consisted only of balances with banks. | |