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Note 13 - Guarantor Subsidiaries - Unaudited Interim Condensed Consolidating Statements of Operations (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2017 | Jun. 30, 2016 | Jun. 30, 2017 | Jun. 30, 2016
Income (loss) applicable to common stockholders | $ (24,154) | $ 23,978 | $ 2,542 | $ 23,222
Changes in comprehensive income (loss) | 2,878 | 1,239 | 6,082 | 2,304
Comprehensive income (loss) | (21,138) | 25,355 | 8,900 | 25,802
Revenues | 134,279 | 171,302 | 276,823 | 302,319
Cost of sales | (77,503) | (82,953) | (156,179) | (157,273)
Depreciation, depletion, amortization | (25,569) | (29,897) | (54,521) | (55,772)
General and administrative | (10,309) | (10,359) | (19,515) | (20,573)
Exploration and pre-development | (6,905) | (3,883) | (12,671) | (7,237)
Research and development | (312) |  | (995) |
Loss on derivative contracts |  | (6) |  | (402)
Gain (loss) on derivative contracts | 2,487 | (6) | (5,322) | (6)
Foreign exchange gain (loss) | (3,883) | (1,885) | (6,145) | (10,088)
Lucky Friday suspension-related costs | (8,024) |  | (9,605) |
Equity in earnings of subsidiaries |  |  |  |
Other (expense) income | (12,182) | (8,190) | (22,028) | (24,408)
Income (loss) before income taxes | (7,921) | 35,612 | (10,158) | 36,648
(Provision) benefit from income taxes | (16,095) | (11,496) | 12,976 | (13,150)
Net income (loss) | (24,016) | 24,116 | 2,818 | 23,498
Preferred stock dividends | (138) | (138) | (276) | (276)
Reportable Legal Entities [Member] | Parent Company [Member] |  |  |  |
Income (loss) applicable to common stockholders | (26,621) | 23,978 | 2,542 | 23,222
Changes in comprehensive income (loss) | 2,878 | 1,239 | 6,082 | 2,304
Comprehensive income (loss) | (23,605) | 25,355 | 8,900 | 25,802
Revenues | 807 | (5,659) | (3,286) | (11,794)
Cost of sales | (186) |  | (334) |
Depreciation, depletion, amortization |  |  |  |
General and administrative | (5,721) | (6,474) | (12,190) | (11,714)
Exploration and pre-development | (66) | (113) | (310) | (158)
Research and development |  |  |  |
Loss on derivative contracts |  | (6) |  | (394)
Gain (loss) on derivative contracts | 2,487 | (394) | (5,322) | (6)
Foreign exchange gain (loss) | 7,666 |  | 10,133 |
Lucky Friday suspension-related costs |  |  |  |
Equity in earnings of subsidiaries | (2,355) | 37,111 | 346 | 16,120
Other (expense) income | (29,115) | (349) | 13,781 | 31,444
Income (loss) before income taxes | (26,483) | 24,116 | 2,818 | 23,498
(Provision) benefit from income taxes |  |  |  |
Net income (loss) | (26,483) | 24,116 | 2,818 | 23,498
Preferred stock dividends | (138) | (138) | (276) | (276)
Reportable Legal Entities [Member] | Guarantor Subsidiaries [Member] |  |  |  |
Income (loss) applicable to common stockholders | 612 | 14,741 | 8,678 | 26,344
Changes in comprehensive income (loss) |  |  |  | 8
Comprehensive income (loss) | 612 | 14,741 | 8,678 | 26,352
Revenues | 70,344 | 87,992 | 153,297 | 169,261
Cost of sales | (40,816) | (47,203) | (83,588) | (93,956)
Depreciation, depletion, amortization | (13,502) | (15,238) | (29,268) | (31,844)
General and administrative | (4,094) | (3,679) | (6,413) | (8,202)
Exploration and pre-development | (2,496) | (1,360) | (4,397) | (2,647)
Research and development | (312) |  | (995) |
Loss on derivative contracts |  |  |  | (8)
Gain (loss) on derivative contracts |  | (8) |  |
Foreign exchange gain (loss) | 1 |  | (43) |
Lucky Friday suspension-related costs | (8,024) |  | (9,605) |
Equity in earnings of subsidiaries |  |  |  |
Other (expense) income | (1,557) | 2,623 | (2,409) | 6,959
Income (loss) before income taxes | (456) | 23,127 | 16,579 | 39,563
(Provision) benefit from income taxes | 1,068 | (8,386) | (7,901) | (13,219)
Net income (loss) | 612 | 14,741 | 8,678 | 26,344
Preferred stock dividends |  |  |  |
Reportable Legal Entities [Member] | Non-Guarantor Subsidiaries [Member] |  |  |  |
Income (loss) applicable to common stockholders | (500) | 22,370 | (8,332) | (10,224)
Changes in comprehensive income (loss) | 847 | 1,193 | 758 | 2,253
Comprehensive income (loss) | 347 | 23,563 | (7,574) | (7,971)
Revenues | 63,128 | 88,969 | 126,812 | 144,852
Cost of sales | (36,501) | (35,750) | (72,257) | (63,317)
Depreciation, depletion, amortization | (12,067) | (14,659) | (25,253) | (23,928)
General and administrative | (494) | (206) | (912) | (657)
Exploration and pre-development | (4,343) | (2,410) | (7,964) | (4,432)
Research and development |  |  |  |
Loss on derivative contracts |  |  |  |
Gain (loss) on derivative contracts |  |  |  |
Foreign exchange gain (loss) | (11,550) |  | (16,235) |
Lucky Friday suspension-related costs |  |  |  |
Equity in earnings of subsidiaries |  |  |  |
Other (expense) income | (2,400) | (8,732) | (9,470) | (44,250)
Income (loss) before income taxes | (4,227) | 27,212 | (5,279) | 8,268
(Provision) benefit from income taxes | 3,727 | (4,842) | (3,053) | (18,492)
Net income (loss) | (500) | 22,370 | (8,332) | (10,224)
Preferred stock dividends |  |  |  |
Consolidation, Eliminations [Member] |  |  |  |
Income (loss) applicable to common stockholders | 2,355 | (37,111) | (346) | (16,120)
Changes in comprehensive income (loss) | (847) | (1,193) | (758) | (2,261)
Comprehensive income (loss) | 1,508 | (38,304) | (1,104) | (18,381)
Revenues |  |  |  |
Cost of sales |  |  |  |
Depreciation, depletion, amortization |  |  |  |
General and administrative |  |  |  |
Exploration and pre-development |  |  |  |
Research and development |  |  |  |
Loss on derivative contracts |  |  |  |
Gain (loss) on derivative contracts |  |  |  |
Foreign exchange gain (loss) |  |  |  |
Lucky Friday suspension-related costs |  |  |  |
Equity in earnings of subsidiaries | 2,355 | (37,111) | (346) | (16,120)
Other (expense) income | 20,890 | (1,732) | (23,930) | (18,561)
Income (loss) before income taxes | 23,245 | (38,843) | (24,276) | (34,681)
(Provision) benefit from income taxes | (20,890) | 1,732 | 23,930 | 18,561
Net income (loss) | 2,355 | (37,111) | (346) | (16,120)
Preferred stock dividends |  |  |  |

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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=84229725&loc=d3e1043-128460 + Details
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