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v3.21.2

Reclamation and Remediation (Tables) | 9 Months Ended
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Sep. 30, 2021
Reclamation and Remediation |
Changes in Reclamation and Remediation | ​
​ | ​ | ​ | ​ | ​ | ​ | ​
​ | ​ | 2021 | ​ | 2020
​ | ​ | (Unaudited) | ​ | ​ | ​
​ | ​ | (in thousands)
Reclamation liabilities – balance at beginning of period | ​ | $ | 1,890 | ​ | $ | 2,003
Foreign currency exchange loss (gain) | ​ | ​ | (34) | ​ | ​ | (113)
Reclamation liabilities – balance at end of period | ​ | ​ | 1,856 | ​ | ​ | 1,890
​ | ​ | ​ | ​ | ​ | ​ | ​
Asset retirement obligation – balance at beginning of period | ​ | ​ | 1,208 | ​ | ​ | 1,105
Changes in estimate | ​ | ​ | 7 | ​ | ​ | 82
Accretion | ​ | ​ | 72 | ​ | ​ | 79
Foreign currency exchange loss (gain) | ​ | ​ | (22) | ​ | ​ | (58)
Asset retirement obligation – balance at end of period | ​ | ​ | 1,265 | ​ | ​ | 1,208
Total period end balance | ​ | $ | 3,121 | ​ | $ | 3,098

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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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