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Supplemental Cash Flow Information | 12 Months Ended
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Dec. 31, 2020
SUPPLEMENTAL CASH FLOW INFORMATION |
Supplemental Cash Flow Information | 11. SUPPLEMENTAL CASH FLOW INFORMATION 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 |
During the year ended December 31, 2020, the Company:
| i) | transferred $3,782,706 from reserve to deficit;
| ii) | recorded $6,506 as the net change for accrued exploration and evaluation expenditures;
| iii) | recorded $267,000 as a provision for restoration obligation;
| iv) | reclassed $24,000 from advance to investment;
| v) | offset $33,735 from due to related party to investment; and
| vi) | offset $7,500 in trade payables to proceeds from issuance of common stock.
During the year ended December 31, 2019, the Company:
| i) | transferred $3,860,656 from reserve to deficit;
| ii) | recorded $171,444 as the net change for accrued exploration and evaluation expenditures;
| iii) | paid $51,000 as non-cash consideration for exploration and evaluation expenditures; and
| iv) | recorded $88,987 of flow-through share premium liability.
During the year ended December 31, 2018, the Company:
| i) | transferred $229,381 from reserve to deficit;
| ii) | recorded $250,000 of share issuance costs in trade payables; and
| iii) | recorded $186,304 in accrued exploration and evaluation expenditures.

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