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Note 14 - Guarantor Subsidiaries (Details) - Condensed Consolidating Statements of Operations - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2015 | Sep. 30, 2014 | Sep. 30, 2015 | Sep. 30, 2014
Condensed Income Statements, Captions [Line Items] |  |  |  |
Revenues | $ 104,941 | $ 135,507 | $ 328,230 | $ 378,796
Cost of sales | (79,273) | (86,680) | (220,805) | (235,460)
Depreciation, depletion, amortization | (28,229) | (26,804) | (80,649) | (80,342)
General and administrative | (9,461) | (7,884) | (26,477) | (23,984)
Gain/(loss) on derivative contracts | 3,347 | (411) | 8,252 | (2,560)
Acquisition costs | (15) |  | (2,162) |
Income (loss) before income taxes | (15,390) | 3,856 | (28,198) | (143)
(Provision) benefit from income taxes | 5,500 | (180) | 4,193 | 1,062
Net income (loss) | (9,890) | 3,676 | (24,005) | 919
Comprehensive income (loss) | (10,281) | 5,952 | (23,615) | 2,357
Preferred stock dividends | (138) | (138) | (414) | (414)
Income (loss) applicable to common stockholders | (10,028) | 3,538 | (24,419) | 505
Consolidation, Eliminations [Member] |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |
Equity in earnings (loss) of subsidiaries | 11,300 | (96,349) | (28,005) | (32,864)
Other (expense) income | (21,339) | 68,017 | (4,899) | (11,398)
Income (loss) before income taxes | (10,039) | (28,332) | (32,904) | (44,262)
(Provision) benefit from income taxes | 21,338 | (68,017) | 4,899 | 11,398
Net income (loss) | 11,299 | (96,349) | (28,005) | (32,864)
Changes in comprehensive income (loss) | 306 | (2,307) | (470) | (2,752)
Comprehensive income (loss) | 11,605 | (98,656) | (28,475) | (35,616)
Income (loss) applicable to common stockholders | 11,299 | (96,349) | (28,005) | (32,864)
Consolidated [Member] |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |
Revenues | 104,941 | 135,507 | 328,230 | 378,796
Cost of sales | (79,273) | (86,680) | (220,805) | (235,460)
Depreciation, depletion, amortization | (28,229) | (26,804) | (80,649) | (80,342)
General and administrative | (9,461) | (7,884) | (26,477) | (23,984)
Exploration and pre-development | (7,236) | (6,188) | (18,582) | (14,333)
Gain/(loss) on derivative contracts | 3,347 | (411) | 8,252 | (2,560)
Acquisition costs | (15) |  | (2,162) |
Other (expense) income | 536 | (3,684) | (16,005) | (22,260)
Income (loss) before income taxes | (15,390) | 3,856 | (28,198) | (143)
(Provision) benefit from income taxes | 5,500 | (180) | 4,193 | 1,062
Net income (loss) | (9,890) | 3,676 | (24,005) | 919
Changes in comprehensive income (loss) | (391) | 2,276 | 390 | 1,438
Comprehensive income (loss) | (10,281) | 5,952 | (23,615) | 2,357
Preferred stock dividends | (138) | (138) | (414) | (414)
Income (loss) applicable to common stockholders | (10,028) | 3,538 | (24,419) | 505
Parent Company [Member] |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |
Revenues | 4,663 | 1,444 | 6,056 | (2,029)
General and administrative | (4,965) | (4,048) | (13,780) | (13,207)
Exploration and pre-development | (210) | (4) | (549) | (56)
Gain/(loss) on derivative contracts | 3,347 | (411) | 8,252 | (2,560)
Acquisition costs | 1,538 |  | (517) |
Equity in earnings (loss) of subsidiaries | (11,300) | 96,349 | 28,005 | 32,864
Other (expense) income | (2,963) | (89,654) | (51,472) | (14,093)
Income (loss) before income taxes | (9,890) | 3,676 | (24,005) | 919
Net income (loss) | (9,890) | 3,676 | (24,005) | 919
Changes in comprehensive income (loss) | (390) | 2,276 | 390 | 1,438
Comprehensive income (loss) | (10,280) | 5,952 | (23,615) | 2,357
Preferred stock dividends | (138) | (138) | (414) | (414)
Income (loss) applicable to common stockholders | (10,028) | 3,538 | (24,419) | 505
Guarantor Subsidiaries [Member] |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |
Revenues | 63,604 | 94,202 | 218,069 | 260,577
Cost of sales | (53,375) | (57,995) | (146,324) | (151,145)
Depreciation, depletion, amortization | (16,669) | (17,205) | (49,732) | (53,706)
General and administrative | (4,131) | (3,590) | (11,416) | (9,819)
Exploration and pre-development | (2,800) | (3,085) | (5,379) | (5,826)
Acquisition costs | (1,553) |  | (1,645) |
Other (expense) income | 3,289 | 3,503 | 10,355 | 4,781
Income (loss) before income taxes | (11,635) | 15,830 | 13,928 | 44,862
(Provision) benefit from income taxes | 1,606 | (2,878) | (5,296) | (10,486)
Net income (loss) | (10,029) | 12,952 | 8,632 | 34,376
Changes in comprehensive income (loss) | (5) | 78 | (15) | 303
Comprehensive income (loss) | (10,034) | 13,030 | 8,617 | 34,679
Income (loss) applicable to common stockholders | (10,029) | 12,952 | 8,632 | 34,376
Non-Guarantor Subsidiaries [Member] |  |  |  |
Condensed Income Statements, Captions [Line Items] |  |  |  |
Revenues | 36,674 | 39,861 | 104,105 | 120,248
Cost of sales | (25,898) | (28,685) | (74,481) | (84,315)
Depreciation, depletion, amortization | (11,560) | (9,599) | (30,917) | (26,636)
General and administrative | (365) | (246) | (1,281) | (958)
Exploration and pre-development | (4,226) | (3,099) | (12,654) | (8,451)
Other (expense) income | 21,549 | 14,450 | 30,011 | (1,550)
Income (loss) before income taxes | 16,174 | 12,682 | 14,783 | (1,662)
(Provision) benefit from income taxes | (17,444) | 70,715 | 4,590 | 150
Net income (loss) | (1,270) | 83,397 | 19,373 | (1,512)
Changes in comprehensive income (loss) | (302) | 2,229 | 485 | 2,449
Comprehensive income (loss) | (1,572) | 85,626 | 19,858 | 937
Income (loss) applicable to common stockholders | $ (1,270) | $ 83,397 | $ 19,373 | $ (1,512)

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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=34752592&loc=d3e1043-128460 + Details
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- Definition Total costs related to goods produced and sold during the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2(a)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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