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Supplemental Cash Flow Information (Tables) | 12 Months Ended
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Dec. 31, 2020
SUPPLEMENTAL CASH FLOW INFORMATION |
Schedule of Changes in Working Capital | Changes in working capital for the year ended December 31, 2020 and 2019 are as follows: (All amounts in table are expressed in thousands of Canadian dollars)
|  | December 31, 2020 |  |  | December 31, 2019 |  |  | December 31, 2018 |
Decrease (increase) in accounts receivables |  |  | 102 |  |  |  | (126 | ) |  |  | 84 |
Decrease in prepaid expenses |  |  | 7 |  |  |  | 3 |  |  |  | 19 |
Increase (decrease) in trade payables and accrued liabilities |  |  | (155 | ) |  |  | 134 |  |  |  | (82 | )
Total changes in working capital |  |  | (46 | ) |  |  | 11 |  |  |  | 21 |

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