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Other Expenses and Adjustments (Tables) | 12 Months Ended
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Dec. 31, 2017
Analysis of income and expense [abstract] |
Other expenses and adjustments |
| 2017 $ | 2016 $ | 2015 $
Included in research and development expenses: |  |  |  |  |  |
Realized foreign exchange (gain) loss | (120,794 | ) | 104,851 |  | 238,709 |
Unrealized non-cash foreign exchange loss (gain) | 55,538 |  | 67,109 |  | (816,319 | )
Non-cash share based compensation | 230,141 |  | 233,919 |  | 257,016 |
Included in operating expenses |  |  |  |  |  |
Amortization of property and equipment | 90,768 |  | 162,233 |  | 180,411 |
Non-cash share based compensation | 348,562 |  | 172,159 |  | 172,521 |
Office minimum lease payments | 231,509 |  | 148,600 |  | 196,601 |

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