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Note 5 - Environmental and Reclamation Activities | 12 Months Ended
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Dec. 31, 2024
Environmental and Reclamation Activities [Abstract] |
Environmental and Reclamation Activities | Note 5: Environmental and Reclamation Activities The liabilities accrued for our reclamation and closure costs at December 31, 2024 and 2023 were as follows (in thousands):
|  | 2024 |  |  | 2023 |
Operating properties: |  |  |  |  |  |
Greens Creek |  | $ | 38,737 |  |  | $ | 39,893 |
Lucky Friday |  |  | 10,982 |  |  |  | 12,022 |
Keno Hill |  |  | 3,500 |  |  |  | 3,360 |
Casa Berardi |  |  | 17,005 |  |  |  | 11,157 |
Non-operating properties: |  |  |  |  |  |
Nevada |  |  | 33,700 |  |  |  | 30,539 |
San Sebastian |  |  | 1,509 |  |  |  | 2,061 |
Troy mine |  |  | 3,385 |  |  |  | 5,238 |
Johnny M |  |  | 10,148 |  |  |  | 10,148 |
All other sites |  |  | 5,944 |  |  |  | 6,039 |
Total |  |  | 124,910 |  |  |  | 120,457 |
Reclamation and closure costs, current |  |  | (13,748 | ) |  |  | (9,660 | )
Reclamation and closure costs, non-current |  | $ | 111,162 |  |  | $ | 110,797 |
The activity in our accrued reclamation and closure cost liability for the years ended December 31, 2024, 2023 and 2022 was as follows (in thousands):
Balance at January 1, 2022 |  | $ | 113,231 |
Accruals for estimated costs |  |  | 2,874 |
Accretion expense |  |  | 5,995 |
Revision of estimated cash flows due to changes in reclamation plans |  |  | 452 |
Payment of reclamation obligations |  |  | (5,553 | )
Balance at December 31, 2022 |  |  | 116,999 |
Accruals for estimated costs |  |  | 2,952 |
Accretion expense |  |  | 7,740 |
Revision of estimated cash flows due to changes in reclamation plans |  |  | (29 | )
Payment of reclamation obligations |  |  | (7,205 | )
Balance at December 31, 2023 |  |  | 120,457 |
Accruals for estimated costs |  |  | (239 | )
Accretion expense |  |  | 5,806 |
Revision of estimated cash flows due to changes in reclamation plans |  |  | 7,383 |
Payment of reclamation obligations |  |  | (8,497 | )
Balance at December 31, 2024 |  | $ | 124,910 |
Asset Retirement Obligations Below is a reconciliation as of December 31, 2024 and 2023 (in thousands) of the asset retirement obligations (“ARO”) which are included in our total accrued reclamation and closure costs of $124.9 million and $120.5 million, respectively, discussed above. The estimated reclamation and closure costs were discounted using credit adjusted, risk-free interest rates ranging from 5.75% to 14.5% from the time we incurred the obligation to the time we expect to pay the retirement obligation.
|  | 2024 |  |  | 2023 |
Balance January 1 |  | $ | 99,067 |  |  | $ | 96,620 |
Changes in obligations due to changes in reclamation plans |  |  | 5,226 |  |  |  | (29 | )
Accretion expense |  |  | 5,806 |  |  |  | 7,740 |
Payment of asset retirement obligations |  |  | (4,667 | ) |  |  | (5,264 | )
Balance at December 31 |  | $ | 105,432 |  |  | $ | 99,067 |
Payments for reclamation obligations were incurred at Lucky Friday and at our former operating mines San Sebastian and Troy. The AROs related to the changes described above were discounted using a credit adjusted, risk-free interest rate of between 2.75% and 7.5% and inflation rates ranging from 1.8% to 4%.

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