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Note 6 - Business Segments | 6 Months Ended
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Jun. 30, 2013
Segment Reporting [Abstract] |
Segment Reporting Disclosure [Text Block] | Note 6. Business Segments We are currently organized and managed in three reporting segments: the Greens Creek unit, the Lucky Friday unit and the Casa Berardi unit. As further discussed in Note 13, we completed the acquisition of Aurizon on June 1, 2013, giving us 100% ownership of the Casa Berardi mine in Quebec, Canada. As a result, we have added a new reporting segment for the Casa Berardi unit. General corporate activities not associated with operating units and their various exploration activities, as well as discontinued operations and idle properties, are presented as “other.” Interest expense, interest income and income taxes are considered general corporate items, and are not allocated to our segments. The following tables present information about reportable segments for the three and six months ended June 30, 2013 and 2012 (in thousands):
|  | Three Months Ended June 30, |  |  | Six Months Ended June 30, |
|  | 2013 |  |  | 2012 |  |  | 2013 |  |  | 2012 |
Net sales to unaffiliated customers: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 70,082 |  |  | $ | 67,023 |  |  | $ | 142,731 |  |  | $ | 157,923 |
Lucky Friday |  | $ | 5,128 |  |  | $ | (4 | ) |  | $ | 8,929 |  |  | $ | 249 |
Casa Berardi |  | $ | 10,120 |  |  | $ | — |  |  | $ | 10,120 |  |  | $ | — |
|  | $ | 85,330 |  |  | $ | 67,019 |  |  | $ | 161,780 |  |  | $ | 158,172 |
Income (loss) from operations: |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Greens Creek |  | $ | 9,802 |  |  | $ | 23,313 |  |  | $ | 36,991 |  |  | $ | 70,695 |
Lucky Friday |  |  | (2,757 | ) |  |  | (6,498 | ) |  |  | (6,604 | ) |  |  | (12,441 | )
Casa Berardi |  |  | (13,356 | ) |  |  | — |  |  |  | (13,356 | ) |  |  | — |
Other |  |  | (26,311 | ) |  |  | (19,296 | ) |  |  | (51,866 | ) |  |  | (35,299 | )
|  | $ | (32,622 | ) |  | $ | (2,481 | ) |  | $ | (34,835 | ) |  | $ | 22,955 |
The increase in sales and income (loss) from operations at the Lucky Friday segment for the second quarter and first half of 2013 compared to the same periods in 2012 are due to the increase in production with the reopening of the Silver Shaft. At the end of 2011, MSHA began a special impact inspection at the Lucky Friday mine which resulted in an order to remove loose cementitious material from the Silver Shaft. In response, we submitted a plan to MSHA and received approval to remove the material, and this work commenced in the first quarter of 2012. In addition, the plan included removal of unused utilities, construction of a water ring to prevent ice from forming in the winter, the installation of a metal brattice, repair of shaft steel, and installation of a new power cable, all of which should improve the shaft's functionality and possibly improve the shaft's hoisting capacity. When the Silver Shaft work was completed down to the 4900 foot level, work commenced on a haulage way bypassing an area at the 5900 foot level impacted by a rock burst in December 2011. Work on the Silver Shaft and haulage way was completed in early 2013, and we recommenced limited production at the Lucky Friday mine in February 2013. For the second quarter and first six months of 2013, we have realized income of $2.8 million and $1.3 million, respectively,as a result of business interruption insurance proceeds, net of certain suspension-related costs, which is reported in Lucky Friday suspension-related income (expense) on the Condensed Consolidated Statements of Operations and Comprehensive Income (Unaudited). The following table presents identifiable assets by reportable segment as of June 30, 2013 and December 31, 2012 (in thousands):
|  | June 30, 2013 |  |  | December 31, 2012 |
Identifiable assets: |  |  |  |  |  |  |  |
Greens Creek |  | $ | 747,813 |  |  | $ | 741,666 |
Lucky Friday |  |  | 217,413 |  |  |  | 226,196 |
Casa Berardi |  |  | 891,194 |  |  |  | — |
Other |  |  | 416,035 |  |  |  | 410,428 |
|  | $ | 2,272,455 |  |  | $ | 1,378,290 |

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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/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8380-108599 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 32 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8933-108599 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8538-108599 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 26 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8844-108599 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 29 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8864-108599 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 34 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8981-108599 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 35 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8984-108599 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 41 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9038-108599 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 30 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8906-108599 Reference 10: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 42 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9054-108599 Reference 11: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 31 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8924-108599 Reference 12: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 40 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e9031-108599 Reference 13: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 33 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8971-108599 Reference 14: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 280 -SubTopic 10 -Section 50 -Paragraph 12 -URI http://asc.fasb.org/extlink&oid=6534315&loc=d3e8595-108599 + Details
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