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Marketable Securities (Tables) | 12 Months Ended
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Dec. 31, 2020
aug_MajorAssumptionsMadeConcerningFutureEventsOtherProvisionsInflationRate |
Disclosure of marketable securities |
|  | At December 31 2020 |  |  | At December 31 2019 |
Balance, beginning of year |  | $ | 346 |  |  | $ | 186 |
Additions, upon acquisition of Eastmain (note 4ii) |  |  | 1,662 |  |  |  | - |
Additions (note 9) |  |  | 102 |  |  |  | - |
Unrealized net gains |  |  | 565 |  |  |  | 160 |
Balance, end of the year |  | $ | 2,675 |  |  | $ | 346 |

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