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Note 6 - Information about Reportable Segments (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2016 | Mar. 31, 2015 | Dec. 31, 2015
Greens Creek [Member] |  |  |
Net sales to unaffiliated customers | $ 53,882 | $ 67,355 |
Income (loss) from operations | 8,078 | 14,693 |
Identifiable assets | 698,102 |  | $ 698,265
Lucky Friday [Member] |  |  |
Net sales to unaffiliated customers | 21,252 | 19,891 |
Income (loss) from operations | 2,743 | 3,546 |
Identifiable assets | 420,306 |  | 393,338
Casa Berardi [Member] |  |  |
Net sales to unaffiliated customers | 32,198 | 31,846 |
Income (loss) from operations | 1,934 | $ (765) |
Identifiable assets | 782,962 |  | 779,423
San Sebastian [Member] |  |  |
Net sales to unaffiliated customers | 23,685 |  |
Income (loss) from operations | 14,912 |  |
Identifiable assets | 25,882 |  | 22,238
Other Segments [Member] |  |  |
Income (loss) from operations | (12,094) | $ (12,552) |
Identifiable assets | 311,921 |  | 328,661
Net sales to unaffiliated customers | 131,017 | 119,092 |
Income (loss) from operations | 15,573 | $ 4,922 |
Identifiable assets | $ 2,239,173 |  | $ 2,221,925

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- Definition Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(12)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(11)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 + Details
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