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Note 9 - Fair Value of Assets and Liabilities (Tables) | 6 Months Ended
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Jun. 30, 2025
Notes Tables |
Schedule of Fair Value, Assets and Liabilities Measured on Recurring Basis [Table Text Block] |
|  | Value of Items Recorded at Fair Value |
|  | As of June 30, 2025 |
(in thousands) |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Metal swaps |  | $ | - |  |  | $ | 2,127 |  |  | $ | - |  |  | $ | 2,127 |
Embedded customer derivative |  |  | - |  |  |  | 153 |  |  |  | - |  |  |  | 153 |
Supplemental executive retirement plan |  |  | 16,558 |  |  |  | - |  |  |  | - |  |  |  | 16,558 |
Total assets at fair value |  | $ | 16,558 |  |  | $ | 2,280 |  |  | $ | - |  |  | $ | 18,838 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Metal swaps |  | $ | - |  |  | $ | 2,281 |  |  | $ | - |  |  | $ | 2,281 |
Fixed Interest rate hedge |  |  | - |  |  |  | 72 |  |  |  | - |  |  |  | 72 |
Total liabilities recorded at fair value |  | $ | - |  |  | $ | 2,353 |  |  | $ | - |  |  | $ | 2,353 |
|  | Value of Items Recorded at Fair Value |
|  | As of December 31, 2024 |
(in thousands) |  | Level 1 |  |  | Level 2 |  |  | Level 3 |  |  | Total |
Assets: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Metal swaps |  | $ | - |  |  | $ | 3,055 |  |  | $ | - |  |  | $ | 3,055 |
Embedded customer derivative |  |  | - |  |  |  | 402 |  |  |  | - |  |  |  | 402 |
Fixed interest rate hedge |  |  | - |  |  |  | 254 |  |  |  | - |  |  |  | 254 |
Supplemental executive retirement plan |  |  | 15,061 |  |  |  | - |  |  |  | - |  |  |  | 15,061 |
Total assets at fair value |  | $ | 15,061 |  |  | $ | 3,711 |  |  | $ | - |  |  | $ | 18,772 |
Liabilities: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Metal swaps |  | $ | - |  |  | $ | 3,457 |  |  | $ | - |  |  | $ | 3,457 |
Total liabilities at fair value |  | $ | - |  |  | $ | 3,457 |  |  | $ | - |  |  | $ | 3,457 |

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- Definition Tabular disclosure of assets and liabilities, including [financial] instruments measured at fair value that are classified in stockholders' equity, if any, that are measured at fair value on a recurring basis. The disclosures contemplated herein include the fair value measurements at the reporting date by the level within the fair value hierarchy in which the fair value measurements in their entirety fall, segregating fair value measurements using quoted prices in active markets for identical assets (Level 1), significant other observable inputs (Level 2), and significant unobservable inputs (Level 3). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 820 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 2 -Subparagraph (a) -Publisher FASB -URI https://asc.fasb.org/1943274/2147482106/820-10-50-2 + Details
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