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Note 9 - Fair Value Measurement | 9 Months Ended
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Sep. 30, 2025
Disclosure Text Block [Abstract] |
Fair Value Measurement | Note 9. Fair Value Measurement Fair value adjustments, net is comprised of the following (in thousands):
|  | Three Months Ended September 30, |  |  | Nine Months Ended September 30, |
|  | 2025 |  |  | 2024 |  |  | 2025 |  |  | 2024 |
(Loss) gain on derivative contracts |  | $ | (7,630 | ) |  | $ | 394 |  |  | $ | (2,895 | ) |  | $ | (2,091 | )
Unrealized gain on equity securities investments |  |  | 25,255 |  |  |  | 3,260 |  |  |  | 33,762 |  |  |  | 8,895 |
Total fair value adjustments, net |  | $ | 17,625 |  |  | $ | 3,654 |  |  | $ | 30,867 |  |  | $ | 6,804 |
Accounting guidance has established a hierarchy for inputs used to measure assets and liabilities at fair value on a recurring basis. The three levels included in the hierarchy are: Level 1: quoted prices in active markets for identical assets or liabilities; Level 2: significant other observable inputs; and Level 3: significant unobservable inputs. The table below sets forth our assets and liabilities that were accounted for at fair value on a recurring basis and the fair value calculation input hierarchy level that we have determined applies to each asset and liability category (in thousands).
Description |  | Balance at September 30, 2025 |  |  | Balance at December 31, 2024 |  |  | Input Hierarchy Level
Assets: |  |  |  |  |  |  |  |
Cash and cash equivalents: |  |  |  |  |  |  |  |
Money market funds and other bank deposits |  | $ | 133,910 |  |  | $ | 26,868 |  |  | Level 1
Current and non-current investments: |  |  |  |  |  |  |  |
Equity securities |  |  | 68,305 |  |  |  | 33,158 |  |  | Level 1
Trade accounts receivable: |  |  |  |  |  |  |  |
Receivables from provisional concentrate sales |  |  | 102,702 |  |  |  | 31,515 |  |  | Level 2
Restricted cash and cash equivalent balances: |  |  |  |  |  |  |  |
Certificates of deposit and other deposits |  |  | 1,172 |  |  |  | 1,177 |  |  | Level 1
Derivative contracts - current and non-current derivative assets: |  |  |  |  |  |  |  |
Foreign exchange contracts |  |  | 684 |  |  |  | — |  |  | Level 2
Metal forward contracts |  |  | 3,068 |  |  |  | 18,039 |  |  | Level 2
Liabilities: |  |  |  |  |  |  |  |
Derivative contracts - current and non-current derivative liabilities: |  |  |  |  |  |  |  |
Foreign exchange contracts |  | $ | 2,120 |  |  | $ | 10,176 |  |  | Level 2
Metal forward contracts |  |  | 6,502 |  |  |  | — |  |  | Level 2
Cash and cash equivalents consist primarily of money market funds which are carried at fair value. Current and non-current restricted cash and cash equivalent balances consist primarily of certificates of deposit, U.S. Treasury securities, and other deposits and are valued at cost, which approximates fair value. Our current and non-current investments consist of marketable equity securities of mining companies which are valued using quoted market prices for each security. Trade accounts receivable from provisional concentrate sales are subject to final pricing and valued using quoted prices based on forward curves for the particular metals. We use financially-settled forward contracts to manage exposure to changes in the exchange rate between USD and CAD, and the impact on CAD-denominated operating and capital costs incurred at our Casa Berardi and Keno Hill operations (see Note 8 for more information). The fair value of each contract represents the present value of the difference between the forward exchange rate for the contract settlement period as of the measurement date and the contract settlement exchange rate. We use financially-settled forward contracts to (i) manage the exposure to changes in prices of silver, gold, zinc and lead contained in our concentrate shipments that have not reached final settlement and (ii) manage the exposure to changes in prices of gold, zinc and lead contained in our forecasted future sales (see Note 8 for more information). The fair value of each forward contract represents the present value of the difference between the forward metal price for the contract settlement period as of the measurement date and the contract settlement metal price. At September 30, 2025, our Senior Notes were recorded at their carrying value o f $261.8 million net of unamortized initial purchaser discount and issuance costs. The estimated fair value of our Senior Notes was $265.8 million at September 30, 2025. Quoted market prices, which are considered to be Level 1 inputs, are utilized to estimate fair values of the Senior Notes. The Credit Agreement, which we consider to be Level 1 in the fair value hierarchy, has a carrying and fai r value of nil.

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- Definition The entire disclosure for the fair value of financial instruments (as defined), including financial assets and financial liabilities (collectively, as defined), and the measurements of those instruments as well as disclosures related to the fair value of non-financial assets and liabilities. Such disclosures about the financial instruments, assets, and liabilities would include: (1) the fair value of the required items together with their carrying amounts (as appropriate); (2) for items for which it is not practicable to estimate fair value, disclosure would include: (a) information pertinent to estimating fair value (including, carrying amount, effective interest rate, and maturity, and (b) the reasons why it is not practicable to estimate fair value; (3) significant concentrations of credit risk including: (a) information about the activity, region, or economic characteristics identifying a concentration, (b) the maximum amount of loss the entity is exposed to based on the gross fair value of the related item, (c) policy for requiring collateral or other security and information as to accessing such collateral or security, and (d) the nature and brief description of such collateral or security; (4) quantitative information about market risks and how such risks are managed; (5) for items measured on both a recurring and nonrecurring basis information regarding the inputs used to develop the fair value measurement; and (6) for items presented in the financial statement for which fair value measurement is elected: (a) information necessary to understand the reasons for the election, (b) discussion of the effect of fair value changes on earnings, (c) a description of [similar groups] items for which the election is made and the relation thereof to the balance sheet, the aggregate carrying value of items included in the balance sheet that are not eligible for the election; (7) all other required (as defined) and desired information. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (bbb)(1) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 107 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-107 Reference 3: http://www.xbrl.org/2003/role/exampleRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 55 -Paragraph 100 -Publisher FASB -URI https://asc.fasb.org/1943274/2147482078/820-10-55-100 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (c)(3) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2E -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2E Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (f) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (e) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 10: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6A -Subparagraph (d) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-6A Reference 11: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (h) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (g) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Topic 940 -SubTopic 820 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147478119/940-820-50-1 + Details
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