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v3.23.3

Note 2 - Business Segments and Sales of Products - Sales of Products (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Total sales | $ 181,906 | $ 146,339 | $ 559,537 | $ 524,080
Less: Smelter and refining charges | (12,550) | (13,023) | (40,743) | (38,543)
Silver Contracts [Member] |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Total sales | 74,425 | 45,924 | 235,447 | 182,306
Gold [Member] |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Total sales | 70,206 | 69,289 | 208,216 | 228,475
Lead [Member] |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Total sales | 15,719 | 16,033 | 62,778 | 56,912
Zinc [Member] |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Total sales | 33,066 | 28,051 | 91,912 | 94,865
Total Metal [Member] |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Total sales | 180,866 | 146,274 | 557,610 | 524,015
Environmental Remediation Services [Member] |  |  |  |
Segment Reporting, Revenue Reconciling Item [Line Items] |  |  |  |
Total sales | $ 1,040 | $ 65 | $ 1,927 | $ 65

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