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Financial risk management (Tables) | 12 Months Ended
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Dec. 31, 2017
Financial risk management [abstract] |
Schedule of Contractual Maturities of Financial Liabilities | The following table presents the contractual maturities of the Company’s financial liabilities on an undiscounted basis:
|  | December 31, 2017 |
|  |  |  |  | Less than |  |  |  |  |  |  |  |  | Over 5 |
|  | Total |  |  | 1 year |  |  | 2-3 years |  |  | 4-5 years |  |  | years |
Trade and other payables |  | $ | 10,393 |  |  | $ | 10,393 |  |  | $ | - |  |  | $ | - |  |  | $ | - |
Pre-payment facility |  |  | 15,000 |  |  |  | 4,000 |  |  |  | 11,000 |  |  |  | - |  |  |  | - |
Interest on pre-payment facility |  |  | 1,601 |  |  |  | 856 |  |  |  | 745 |  |  |  | - |  |  |  | - |
Leases |  |  | 1,438 |  |  |  | 290 |  |  |  | 563 |  |  |  | 540 |  |  |  | 45 |
Other long-term liabilities |  |  | 564 |  |  |  | - |  |  |  | 95 |  |  |  | - |  |  |  | 469 |
|  | $ | 28,996 |  |  | $ | 15,539 |  |  | $ | 12,403 |  |  | $ | 540 |  |  | $ | 514 |
Schedule of Market Risks | Financial instruments that may impact the Company’s net earnings or other comprehensive income due to currency fluctuations include CAD and MXP denominated assets and liabilities which are included in the following table:
|  | As at December 31, 2017 |
|  | CAD |  |  | MXP |
Cash and cash equivalents |  | $ | 1,436 |  |  | $ | 1,681 |
Trade and other receivables |  |  | 19 |  |  |  | 2,814 |
Trade and other payables |  |  | 1,831 |  |  |  | 4,385 |
Schedule of Sensitivity Analysis for Market Risks | The sensitivity of the Company’s net loss and comprehensive loss due to changes in the exchange rates as at December 31, 2017 is included in the following table:
|  | CAD/USD |  |  | MXP/USD |
|  | Exchange rate |  |  | Exchange rate |
|  |  | +/- 10% |  |  |  | +/- 10% |
Approximate impact on: |  |  |  |  |  |  |  |
Net loss |  | $ | 732 |  |  | $ | 850 |
Other comprehensive loss |  |  | (93 | ) |  |  | 110 |
Schedule of Fair Value Measurements |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Level 1 |  |  |  |  |  |
Cash and cash equivalents |  | $ | 9,325 |  |  | $ | 24,055 |
Restricted cash |  |  | 331 |  |  |  | 151 |
Available-for-sale investment |  |  | - |  |  |  | 503 |
Long-term investments |  |  | 4 |  |  |  | 28 |
Level 2 |  |  |  |  |  |  |  |
Trade and other receivables |  |  | 6,631 |  |  |  | 4,002 |
Credit facilities |  |  | - |  |  |  | 7,758 |
Pre-payment facility |  |  | 15,000 |  |  |  | - |

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