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ASSET RETIREMENT OBLIGATIONS (Tables) | 3 Months Ended
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Mar. 31, 2022
ASSET RETIREMENT OBLIGATIONS |
Schedule of reconciliation of asset retirement obligations | ​
​ | ​ | ​ | ​ | ​ | ​
​ | Three months ended March 31, 2022 |  | Year ended December 31, 2021
Asset retirement obligation liability, beginning balance | $ | 35,452 | ​ | $ | 34,000
Settlements |  | (83) | ​ |  | (2,225)
Accretion of liability |  | 527 | ​ |  | 2,405
Revisions to estimates and discount rate |  | — | ​ |  | 1,257
Foreign exchange revaluation | ​ | 195 | ​ | ​ | 15
Asset retirement obligation liability, ending balance | $ | 36,091 | ​ | $ | 35,452
Less current portion | ​ | 6,532 | ​ | ​ | 5,761
Long-term portion | $ | 29,559 | ​ | $ | 29,691
Schedule of reclamation expense | The Company’s reclamation expenses for the periods presented consisted of the following: ​
​ | ​ | ​ | ​ | ​ | ​
​ | Three months ended March 31,
​ | 2022 | ​ | 2021
Reclamation adjustment reflecting updated estimates | $ | — | ​ | $ | 425
Reclamation accretion | ​ | 527 | ​ | ​ | 486
Total | $ | 527 | ​ | ​ | 911

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- Definition Tabular disclosure of the changes in carrying amount of a liability for asset retirement obligations, for changes such as new obligations, changes in estimates of existing obligations, spending on existing obligations, property dispositions, and foreign currency translation. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 410 -SubTopic 30 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6393242&loc=d3e13201-110859 + Details
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