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Prepaid expenses and deposits | 12 Months Ended
--- | ---
Dec. 31, 2015
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract] |
Prepaid expenses and deposits | Prepaid expenses and deposits
Current: |  |  |  |
|  | December 31, 2015 |  |  | December 31, 2014 |
Prepaid insurance and deposits |  | $ | 625 |  |  | $ | 968 |
Prepaid lease payments |  | 242 |  |  | 537 |
Prepaid interest |  | 815 |  |  | 748 |
|  | $ | 1,682 |  |  | $ | 2,253 |
Long term: |  |  |  |
|  | December 31, 2015 |  |  | December 31, 2014 |
Prepaid lease payments (note 11(a)) |  | $ | 1,834 |  |  | $ | 1,953 |

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