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Corporate general and administrative expenses (Tables) | 12 Months Ended
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Dec. 31, 2017
Corporate general and administrative expenses [abstract] |
Schedule of Corporate General and Administrative Expenses |
|  | Year ended |  |  | Year ended |
|  | December 31, |  |  | December 31, |
|  | 2017 |  |  | 2016 |
Salaries and employee benefits |  | $ | 2,173 |  |  | $ | 2,153 |
Directors’ fees |  |  | 269 |  |  |  | 251 |
Share-based payments |  |  | 1,930 |  |  |  | 1,237 |
Professional fees |  |  | 477 |  |  |  | 639 |
Office and general |  |  | 1,802 |  |  |  | 1,075 |
|  | $ | 6,651 |  |  | $ | 5,355 |

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