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Exploration and Evaluation Assets - Schedule of Exploration and Evaluation Assets (Details) - CAD ($) $ in Thousands | 3 Months Ended
--- | ---
Mar. 31, 2020 | Mar. 31, 2019
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year |  |
Administration |  |
Balance at the end of the year | 38,974 | 64,738
Canada [Member] | Post Creek Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 1,811 | 1,737
Canada [Member] | Halcyon Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 475 | 438
Canada [Member] | Quetico Claims [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 87 | 64
Canada [Member] | Enid Creek [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 397 |
Canada [Member] | Lingman Lake [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 27 |
Greenland [Member] | Maniitsoq Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year | 36,177 | 62,488
United States [Member] | Section 35 Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the end of the year |  | 11
Exploration and Evaluation Assets Arising From Acquisition [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 709 | 602
Acquisition costs - cash | 13 | 10
Balance at the end of the year | 722 | 612
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Post Creek Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 298 | 288
Acquisition costs - cash | 5 | 5
Balance at the end of the year | 303 | 293
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Halcyon Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 230 | 222
Acquisition costs - cash | 4 | 4
Balance at the end of the year | 234 | 226
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Quetico Claims [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 42 | 42
Acquisition costs - cash |  |
Balance at the end of the year | 42 | 42
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Enid Creek [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 83 |
Acquisition costs - cash |  |
Balance at the end of the year | 83 |
Exploration and Evaluation Assets Arising From Acquisition [Member] | Canada [Member] | Lingman Lake [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 14 |
Acquisition costs - cash |  |
Balance at the end of the year | 14 |
Exploration and Evaluation Assets Arising From Acquisition [Member] | Greenland [Member] | Maniitsoq Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 42 | 42
Acquisition costs - cash | 4 |
Balance at the end of the year | 46 | 42
Exploration and Evaluation Assets Arising From Acquisition [Member] | United States [Member] | Section 35 Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year |  | 8
Acquisition costs - cash |  | 1
Balance at the end of the year |  | 9
Exploration and Evaluation Assets Arising From Exploration [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 37,924 | 63,877
Administration |  | 1
Corporate social responsibility | 1 | 1
Property maintenance | 12 |
Drilling expenses | 173 | 127
Environment, health & safety |  | 8
Geology | 75 | 85
Geophysics | 67 | 27
Helicopter charter aircraft (recovery) |  |
Infrastructure |  |
Write-off |  |
Increase in exploration and evaluation assets | 328 | 249
Balance at the end of the year | 38,252 | 64,126
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Post Creek Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 1,498 | 1,431
Administration |  | 1
Corporate social responsibility |  | 1
Property maintenance | 6 |
Drilling expenses |  | 7
Environment, health & safety |  |
Geology | 4 | 4
Geophysics |  |
Helicopter charter aircraft (recovery) |  |
Infrastructure |  |
Write-off |  |
Increase in exploration and evaluation assets | 10 | 13
Balance at the end of the year | 1,508 | 1,444
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Halcyon Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 233 | 209
Administration |  |
Corporate social responsibility |  |
Property maintenance | 5 |
Drilling expenses |  |
Environment, health & safety |  |
Geology | 3 | 3
Geophysics |  |
Helicopter charter aircraft (recovery) |  |
Infrastructure |  |
Write-off |  |
Increase in exploration and evaluation assets | 8 | 3
Balance at the end of the year | 241 | 212
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Quetico Claims [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 39 | 22
Administration |  |
Corporate social responsibility |  |
Property maintenance | 1 |
Drilling expenses | 2 |
Environment, health & safety |  |
Geology | 1 |
Geophysics | 2 |
Helicopter charter aircraft (recovery) |  |
Infrastructure |  |
Write-off |  |
Increase in exploration and evaluation assets | 6 |
Balance at the end of the year | 45 | 22
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Enid Creek [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 33 |
Administration |  |
Corporate social responsibility |  |
Property maintenance |  |
Drilling expenses | 161 |
Environment, health & safety |  |
Geology | 55 |
Geophysics | 65 |
Helicopter charter aircraft (recovery) |  |
Infrastructure |  |
Write-off |  |
Increase in exploration and evaluation assets | 281 |
Balance at the end of the year | 314 |
Exploration and Evaluation Assets Arising From Exploration [Member] | Canada [Member] | Lingman Lake [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 13 |
Administration |  |
Corporate social responsibility |  |
Property maintenance |  |
Drilling expenses |  |
Environment, health & safety |  |
Geology |  |
Geophysics |  |
Helicopter charter aircraft (recovery) |  |
Infrastructure |  |
Write-off |  |
Increase in exploration and evaluation assets |  |
Balance at the end of the year | 13 |
Exploration and Evaluation Assets Arising From Exploration [Member] | Greenland [Member] | Maniitsoq Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year | 36,108 | 62,215
Administration |  |
Corporate social responsibility | 1 |
Property maintenance |  |
Drilling expenses | 10 | 120
Environment, health & safety |  | 8
Geology | 12 | 76
Geophysics |  | 27
Helicopter charter aircraft (recovery) |  |
Infrastructure |  |
Write-off |  |
Increase in exploration and evaluation assets | 23 | 231
Balance at the end of the year | $ 36,131 | 62,446
Exploration and Evaluation Assets Arising From Exploration [Member] | United States [Member] | Section 35 Property [Member] |  |
Disclosure of Exploration and Evaluation Assets [Line Items] |  |
Balance at the beginning of the year |  |
Administration |  |
Corporate social responsibility |  |
Drilling expenses |  |
Environment, health & safety |  |
Geology |  | 2
Geophysics |  |
Increase in exploration and evaluation assets |  | 2
Balance at the end of the year |  | $ 2

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