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Closure and Reclamation Provisions (Tables) | 12 Months Ended
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Dec. 31, 2020
Closure and Reclamation Provisions [abstract] |
Schedule of Reclamation and Closure Provisions |
|  | Closure and Reclamation Provisions
|  | Caylloma Mine |  | San Jose Mine |  | Lindero Mine |  | Total
Balance at December 31, 2019 |  | $ | 11,324 |  | $ | 4,848 |  | $ | 14,953 |  | $ | 31,125
Changes in estimate |  |  | 3,288 |  |  | 1,328 |  |  | 4,482 |  |  | 9,098
Reclamation expenditures |  |  | (114) |  |  | (227) |  |  | - |  |  | (341)
Accretion |  |  | 256 |  |  | 249 |  |  | 249 |  |  | 754
Effect of changes in foreign exchange rates |  |  | 7 |  |  | (293) |  |  | - |  |  | (286)
Balance at December 31, 2020 |  |  | 14,761 |  |  | 5,905 |  |  | 19,684 |  |  | 40,350
Less: Current portion |  |  | (142) |  |  | (238) |  |  | - |  |  | (380)
Non-current portion |  | $ | 14,619 |  | $ | 5,667 |  | $ | 19,684 |  | $ | 39,970
|  | Closure and Reclamation Provisions
|  | Caylloma Mine |  | San Jose Mine |  | Lindero Mine |  | Total
Balance at December 31, 2018 |  | $ | 10,800 |  | $ | 3,716 |  | $ | 1,427 |  | $ | 15,943
Changes in estimate |  |  | 394 |  |  | 886 |  |  | 13,390 |  |  | 14,670
Reclamation expenditures |  |  | (201) |  |  | (150) |  |  | - |  |  | (351)
Accretion |  |  | 331 |  |  | 259 |  |  | 136 |  |  | 726
Effect of changes in foreign exchange rates |  |  | - |  |  | 137 |  |  | - |  |  | 137
Balance at December 31, 2019 |  |  | 11,324 |  |  | 4,848 |  |  | 14,953 |  |  | 31,125
Less: Current portion |  |  | (3,048) |  |  | (209) |  |  | - |  |  | (3,257)
Non-current portion |  | $ | 8,276 |  | $ | 4,639 |  | $ | 14,953 |  | $ | 27,868
Schedule of Estimates Used in Reclamation and Closure Provisions |
|  | Closure and Reclamation Provisions
|  | Caylloma Mine |  | San Jose Mine |  | Lindero Mine |  | Total
Anticipated settlement date |  |  | 2021 - 2032 |  |  | 2025 - 2037 |  |  | 2029 - 2042 |  |  |
Undiscounted uninflated estimated cash flow |  | $ | 14,899 |  | $ | 6,864 |  | $ | 17,946 |  | $ | 39,709
Estimated life of mine (years) |  |  | 7 |  |  | 5 |  |  | 13 |  |  |
Discount rate |  |  | 2.25% |  |  | 5.25% |  |  | 1.45% |  |  |
Inflation rate |  |  | 2.00% |  |  | 3.52% |  |  | 2.06% |  |  |

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