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v3.20.4

Significant Accounting Policies (Tables) | 12 Months Ended
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Dec. 31, 2020
Accounting Policies, Changes In Accounting Policies And Errors [Abstract] |
Depreciation methods and estimated useful lives for other plant and equipment | The depreciation methods and estimated useful lives for other plant and equipment are as follows:
Classification | Method | Rate or period
Motor Vehicles | Diminishing balance | 15%
Office Equipment | Diminishing balance | 20%
Computer Hardware | Diminishing balance | 30%
Furniture and Fixtures | Diminishing balance | 10%
Leasehold Improvements | Straight-line over life of the lease | Various
Lease assets | Straight-line over the shorter of the useful life or the lease term | Various
Other Assets | Diminishing balance | Various
| Cost | Accumulated depletion | Net book value
Balance, December 31, 2018 | $ | 10,744,533 |  | $ | (4,926,644) |  | $ | 5,817,889 |
Capital expenditures | 549,343 |  | — |  | 549,343 |
Property acquisitions | 2,636 |  | — |  | 2,636 |
Transfers from exploration and evaluation assets (note 5) | 16,204 |  | — |  | 16,204 |
Change in asset retirement obligations (note 10) | 23,894 |  | — |  | 23,894 |
Divestitures | (2,069) |  | 1,690 |  | (379) |
Property swaps | 1,773 |  | — |  | 1,773 |
Impairment | — |  | (180,000) |  | (180,000) |
Foreign currency translation | (208,017) |  | 89,813 |  | (118,204) |
Depletion | — |  | (725,267) |  | (725,267) |
Balance, December 31, 2019 | $ | 11,128,297 |  | $ | (5,740,408) |  | $ | 5,387,889 |
Capital expenditures | 275,850 |  | — |  | 275,850 |
Transfers from exploration and evaluation assets (note 5) | 8,585 |  | — |  | 8,585 |
Change in asset retirement obligations (note 10) | 94,994 |  | — |  | 94,994 |
Property swaps | (1,190) |  | 178 |  | (1,012) |
Impairments | — |  | (2,247,162) |  | (2,247,162) |
Foreign currency translation | (82,860) |  | 120,123 |  | 37,263 |
Depletion | — |  | (478,859) |  | (478,859) |
Balance, December 31, 2020 | $ | 11,423,676 |  | $ | (8,346,128) |  | $ | 3,077,548 |

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- Definition The disclosure of detailed information about property, plant and equipment. [Refer: Property, plant and equipment] + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Name IAS -Number 16 -IssueDate 2020-01-01 -Paragraph 73 -URI http://eifrs.ifrs.org/eifrs/xifrs-link?type=IAS&num=16&code=ifrs-tx-2020-en-r&anchor=para_73&doctype=Standard -URIDate 2020-01-01 + Details
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