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Note 2 -Business Segments and Sales of Products (Tables) | 6 Months Ended
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Jun. 30, 2022
Notes Tables |
Schedule of Segment Reporting Information, by Segment [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Net sales to unaffiliated customers: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 92,723 |  |  | $ | 113,763 |  |  | $ | 178,813 |  |  | $ | 212,172 |
Lucky Friday |  |  | 35,880 |  |  |  | 39,645 |  |  |  | 73,920 |  |  |  | 68,767 |
Casa Berardi |  |  | 62,639 |  |  |  | 56,122 |  |  |  | 124,740 |  |  |  | 129,033 |
Nevada Operations |  |  | — |  |  |  | 8,450 |  |  |  | 268 |  |  |  | 18,687 |
Other |  |  | — |  |  |  | 3 |  |  |  | — |  |  |  | 176 |
|  | $ | 191,242 |  |  | $ | 217,983 |  |  | $ | 377,741 |  |  | $ | 428,835 |
Income (loss) from operations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 27,803 |  |  | $ | 56,433 |  |  | $ | 62,389 |  |  | $ | 101,033 |
Lucky Friday |  |  | 5,528 |  |  |  | 11,737 |  |  |  | 14,299 |  |  |  | 18,060 |
Casa Berardi |  |  | (572 | ) |  |  | (529 | ) |  |  | (3,271 | ) |  |  | 11,177 |
Nevada Operations |  |  | (9,728 | ) |  |  | (20,341 | ) |  |  | (21,963 | ) |  |  | (23,481 | )
Other |  |  | (15,319 | ) |  |  | (18,158 | ) |  |  | (28,984 | ) |  |  | (36,618 | )
|  | $ | 7,712 |  |  | $ | 29,142 |  |  | $ | 22,470 |  |  | $ | 70,171 |
|  | June 30, 2022 |  |  | December 31, 2021 |
Identifiable assets: |  |  |  |  |  |  |  |
Greens Creek |  | $ | 580,692 |  |  | $ | 589,944 |
Lucky Friday |  |  | 524,734 |  |  |  | 516,545 |
Casa Berardi |  |  | 699,134 |  |  |  | 701,868 |
Nevada Operations |  |  | 468,901 |  |  |  | 468,985 |
Other |  |  | 443,642 |  |  |  | 451,466 |
|  | $ | 2,717,103 |  |  | $ | 2,728,808 |
Revenue from External Customers by Products and Services [Table Text Block] |
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2022 |  |  | 2021 |  |  | 2022 |  |  | 2021 |
Silver |  | $ | 70,050 |  |  | $ | 92,765 |  |  | $ | 136,382 |  |  | $ | 170,525 |
Gold |  |  | 82,018 |  |  |  | 86,078 |  |  |  | 159,186 |  |  |  | 187,487 |
Lead |  |  | 21,314 |  |  |  | 22,223 |  |  |  | 40,878 |  |  |  | 38,116 |
Zinc |  |  | 31,176 |  |  |  | 30,037 |  |  |  | 66,814 |  |  |  | 59,228 |
Less: Smelter and refining charges |  |  | (13,316 | ) |  |  | (13,120 | ) |  |  | (25,519 | ) |  |  | (26,521 | )
|  | $ | 191,242 |  |  | $ | 217,983 |  |  | $ | 377,741 |  |  | $ | 428,835 |

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- Definition Tabular disclosure of entity-wide revenues from external customers for each product or service or each group of similar products or services if the information is not provided as part of the reportable operating segment information. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9031-108599 + Details
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- Definition Tabular disclosure of the profit or loss and total assets for each reportable segment. An entity discloses certain information on each reportable segment if the amounts (a) are included in the measure of segment profit or loss reviewed by the chief operating decision maker or (b) are otherwise regularly provided to the chief operating decision maker, even if not included in that measure of segment profit or loss. + References Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 22 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8736-108599 Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 25 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8813-108599 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 350 -SubTopic 20 -Section 50 -Paragraph 1 -URI https://asc.fasb.org/extlink&oid=121556970&loc=d3e13816-109267 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8906-108599 + Details
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