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Note 2 -Business Segments and Sales of Products | 3 Months Ended
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Mar. 31, 2022
Notes to Financial Statements |
Segment Reporting Disclosure [Text Block] | Note 2. Business Segments and Sales of Products We discover, acquire and develop mines and other mineral interests and produce and market (i) concentrates, containing silver, gold, lead and zinc, (ii) carbon material containing silver and gold, and (iii) doré containing silver and gold. We are currently organized and managed in four segments: Greens Creek, Lucky Friday, Casa Berardi and Nevada Operations. General corporate activities not associated with operating mines and their various exploration activities, as well as discontinued operations and idle properties, are presented as “other.” Interest expense, interest income and income and mining taxes are considered general corporate items, and are not allocated to our segments. The following tables present information about our reportable segments for the three months ended March 31, 2022 and 2021 (in thousands):
|  | Three Months Ended March 31, |
|  | 2022 |  |  | 2021 |
Sales of products: |  |  |  |  |  |  |  |
Greens Creek |  | $ | 86,090 |  |  | $ | 98,409 |
Lucky Friday |  |  | 38,040 |  |  |  | 29,122 |
Casa Berardi |  |  | 62,101 |  |  |  | 72,911 |
Nevada Operations |  |  | 268 |  |  |  | 10,237 |
Other |  |  | — |  |  |  | 173 |
|  | $ | 186,499 |  |  | $ | 210,852 |
Income (loss) from operations: |  |  |  |  |  |  |  |
Greens Creek |  | $ | 34,586 |  |  | $ | 44,600 |
Lucky Friday |  |  | 8,771 |  |  |  | 6,323 |
Casa Berardi |  |  | (2,699 | ) |  |  | 11,706 |
Nevada Operations |  |  | (12,231 | ) |  |  | (3,140 | )
Other |  |  | (13,669 | ) |  |  | (18,460 | )
|  | $ | 14,758 |  |  | $ | 41,029 |
The following table presents identifiable assets by reportable segment as of March 31, 2022 and December 31, 2021 (in thousands):
|  | March 31, 2022 |  |  | December 31, 2021 |
Identifiable assets: |  |  |  |  |  |  |  |
Greens Creek |  | $ | 578,565 |  |  | $ | 589,944 |
Lucky Friday |  |  | 526,971 |  |  |  | 516,545 |
Casa Berardi |  |  | 710,374 |  |  |  | 701,868 |
Nevada Operations |  |  | 467,092 |  |  |  | 468,985 |
Other |  |  | 455,897 |  |  |  | 451,466 |
|  | $ | 2,738,899 |  |  | $ | 2,728,808 |
Sales of products by metal for the three-month periods ended March 31, 2022 and 2021 were as follows (in thousands):
|  | Three Months Ended March 31, |
|  | 2022 |  |  | 2021 |
Silver |  | $ | 66,332 |  |  | $ | 77,760 |
Gold |  |  | 77,168 |  |  |  | 101,408 |
Lead |  |  | 19,564 |  |  |  | 15,893 |
Zinc |  |  | 35,638 |  |  |  | 29,191 |
Less: Smelter and refining charges |  |  | (12,203 | ) |  |  | (13,400 | )
Sales of products |  | $ | 186,499 |  |  | $ | 210,852 |
Sales of products for the first three months of 2022 and 2021 included a net loss of $4.8 million and net gain of $2.8 million, respectively, on financially-settled forward option contracts for silver, gold, lead and zinc contained in our sales. See Note 8 for more information.

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- Definition The entire disclosure for reporting segments including data and tables. Reportable segments include those that meet any of the following quantitative thresholds a) it's reported revenue, including sales to external customers and intersegment sales or transfers is 10 percent or more of the combined revenue, internal and external, of all operating segments b) the absolute amount of its reported profit or loss is 10 percent or more of the greater, in absolute amount of 1) the combined reported profit of all operating segments that did not report a loss or 2) the combined reported loss of all operating segments that did report a loss c) its assets are 10 percent or more of the combined assets of all operating segments. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8924-108599 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8981-108599 Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (a) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8721-108599 Reference 4: http://www.xbrl.org/2003/role/disclosureRef -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 Reference 5: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (f) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 6: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (e) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 7: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8844-108599 Reference 8: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -Subparagraph (d) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8933-108599 Reference 10: http://www.xbrl.org/2003/role/disclosureRef -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 11: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e9054-108599 Reference 12: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 15 -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8657-108599 Reference 13: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 21 -Subparagraph (b) -URI https://asc.fasb.org/extlink&oid=126901519&loc=d3e8721-108599 Reference 14: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -URI https://asc.fasb.org/topic&trid=2134510 + Details
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