Note 17 - Guarantor Subsidiaries (Tables)

6 Months Ended

12 Months Ended

Jun. 30, 2013

Dec. 31, 2012

Disclosure Text Block Supplement [Abstract]

Condensed Balance Sheet [Table Text Block]

	As of June 30, 2013
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Assets
Cash and cash equivalents	$	108,549		$	55,453		$	132,373		$	—		$	296,375
Other current assets		15,822			47,956			33,344			5,620			102,742
Properties, plants, and equipment - net		(379	)		1,020,770			722,305			—			1,742,696
Intercompany receivable (payable)		515,528			(113,583	)		(464,729	)		62,784			—
Investments in subsidiaries		1,229,150			—			—			(1,229,150	)		—
Other non-current assets		16,596			185,984			13,211			(85,149	)		130,642
Total assets	$	1,885,266		$	1,196,580		$	436,504		$	(1,245,895	)	$	2,272,455
Liabilities and Shareholders' Equity
Current liabilities	$	27,997		$	78,659		$	15,289		$	(3,890	)	$	118,055
Long-term debt		490,104			13,622			49			—			503,775
Non-current portion of accrued reclamation		—			93,952			11,510			—			105,462
Non-current deferred tax liability		—			12,859			169,025			(12,854	)		169,030
Other non-current liabilities		32,439			8,279			689			—			41,407
Shareholders' equity		1,334,726			989,209			239,942			(1,229,151	)		1,334,726
Total liabilities and shareholders' equity	$	1,885,266		$	1,196,580		$	436,504		$	(1,245,895	)	$	2,272,455

	As of December 31, 2012
	Parent		Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Assets
Cash and cash equivalents	$	132,266	$	57,075		$	1,643		$	—		$	190,984
Other current assets		7,399		65,658			766			18,091			91,914
Properties, plants, and equipment - net		—		991,476			5,183			—			996,659
Intercompany receivable (payable)		113,234		(64,893	)		(74,450	)		26,109			—
Investments in subsidiaries		918,526		—			—			(918,526	)		—
Other non-current assets		3,059		164,913			7,600			(76,839	)		98,733
Total assets	$	1,174,484	$	1,214,229		$	(59,258	)	$	(951,165	)	$	1,378,290
Liabilities and Shareholders' Equity
Current liabilities	$	3,726	$	121,221		$	1,016		$	(30,976	)	$	94,987
Long-term debt		—		11,875			60			—			11,935
Non-current portion of accrued reclamation		—		92,825			545			—			93,370
Other non-current liabilities		32,807		8,651			252			(1,663	)		40,047
Other shareholders' equity		1,137,951		979,657			(61,131	)		(918,526	)		1,137,951
Total liabilities and shareholders' equity	$	1,174,484	$	1,214,229		$	(59,258	)	$	(951,165	)	$	1,378,290

	As of December 31, 2012
	Parent		Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Assets
Cash and cash equivalents	$	132,266	$	57,075		$	1,643		$	—		$	190,984
Other current assets		7,399		65,658			766			18,091			91,914
Properties, plants, and equipment - net		—		991,476			5,183			—			996,659
Intercompany receivable (payable)		113,234		(64,893	)		(74,450	)		26,109			—
Investments in subsidiaries		918,526		—			—			(918,526	)		—
Other non-current assets		3,059		164,913			7,600			(76,839	)		98,733
Total assets	$	1,174,484	$	1,214,229		$	(59,258	)	$	(951,165	)	$	1,378,290
Liabilities and Shareholders' Equity
Current liabilities	$	3,726	$	121,221		$	1,016		$	(30,976	)	$	94,987
Long-term debt		—		11,875			60			—			11,935
Non-current portion of accrued reclamation		—		92,825			545			—			93,370
Other non-current liabilities		32,807		8,651			252			(1,663	)		40,047
Shareholders' equity		1,137,951		979,657			(61,131	)		(918,526	)		1,137,951
Total liabilities and shareholders' equity	$	1,174,484	$	1,214,229		$	(59,258	)	$	(951,165	)	$	1,378,290

	As of December 31, 2011
	Parent		Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Assets
Cash and cash equivalents	$	97,850	$	168,433		$	180		$	—		$	266,463
Other current assets		18,177		63,822			1,131			13,151			96,281
Properties, plants, and equipment - net		538		922,502			172			—			923,212
Intercompany receivable (payable)		124,423		(74,026	)		(64,200	)		13,803			—
Investments in subsidiaries		910,646		—			—			(910,646	)		—
Other non-current assets		15,786		149,712			285			(55,649	)		110,134
Total assets	$	1,167,420	$	1,230,443		$	(62,432	)	$	(939,341	)	$	1,396,090
Liabilities and Shareholders' Equity
Current liabilities	$	5,642	$	129,958		$	411		$	(28,695	)	$	107,316
Long-term debt		—		6,192			73			—			6,265
Non-current portion of accrued reclamation		—		111,303			260			—			111,563
Other non-current liabilities		21,665		8,957			211			—			30,833
Shareholders' equity		1,140,113		974,033			(63,387	)		(910,646	)		1,140,113
Total liabilities and shareholders' equity	$	1,167,420	$	1,230,443		$	(62,432	)	$	(939,341	)	$	1,396,090

Condensed Income Statement [Table Text Block]

	Three Months Ended June 30, 2013
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Revenues	$	372		$	74,838		$	10,120		$	—		$	85,330
Cost of sales		—			(51,777	)		(8,231	)		—			(60,008	)
Depreciation, depletion, amortization		—			(16,887	)		(3,324	)		—			(20,211	)
General and administrative		(3,993	)		(3,137	)		(352	)		—			(7,482	)
Exploration and pre-development		(253	)		(8,553	)		(1,927	)		—			(10,733	)
Gain on derivative contracts		6,541			—			—			—			6,541
Aurizon acquisition costs		(14,148	)		1,422			(11,080	)		—			(23,806	)
Equity in losses of subsidiaries		(13,625	)		—			—			13,625			—
Other (expense) income		248			3,643			(3,225	)		(1,950	)		(1,284	)
Loss before income taxes		(24,858	)		(451	)		(18,019	)		11,675			(31,653	)
Benefit from income taxes		—			211			6,321			263			6,795
Net income (loss)		(24,858	)		(240	)		(11,698	)		11,938			(24,858	)
Preferred stock dividends		(138	)		—			—			—			(138	)
Income (loss) applicable to common shareholders		(24,996	)		(240	)		(11,698	)		11,938			(24,996	)
Net income (loss)		(24,858	)		(240	)		(11,698	)		11,938			(24,858	)
Changes in comprehensive income (loss)		(1,944	)		4,257			(1,425	)		(2,832	)		(1,944	)
Comprehensive income (loss)	$	(26,802	)	$	4,017		$	(13,123	)	$	9,106		$	(26,802	)

	Six Months Ended June 30, 2013
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Revenues	$	2,785		$	148,875		$	10,120		$	—		$	161,780
Cost of sales		—			(88,602	)		(8,231	)		—			(96,833	)
Depreciation, depletion, amortization		—			(30,894	)		(3,324	)		—			(34,218	)
General and administrative		(7,465	)		(6,547	)		(409	)		—			(14,421	)
Exploration and pre-development		(417	)		(16,748	)		(4,852	)		—			(22,017	)
Gain on derivative contracts		28,080			—			—			—			28,080
Aurizon acquisition costs		(14,148	)					(11,452	)					(25,600	)
Equity in losses of subsidiaries		(14,698	)		—			—			14,698
Other expense		(7,901	)		1,943			(3,957	)		—			(9,915	)
Income (loss) before income taxes		(13,764	)		8,027			(22,105	)		14,698			(13,144	)
(Provision) benefit from income taxes		—			(5,254	)		6,321			(1,687	)		(620	)
Net income (loss)		(13,764	)		2,773			(15,784	)		13,011			(13,764	)
Preferred stock dividends		(276	)		—			—			—			(276	)
Income (loss) applicable to common shareholders		(14,040	)		2,773			(15,784	)		13,011			(14,040	)
Net income (loss)		(13,764	)		2,773			(15,784	)		13,011			(13,764	)
Changes in comprehensive income (loss)		(4,775	)		3,830			(3,830	)		—			(4,775	)
Comprehensive income (loss)	$	(18,539	)	$	6,603		$	(19,614	)	$	13,011		$	(18,539	)

	Three Months Ended June 30, 2012
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Revenues	$	869		$	66,150		$	—		$	—		$	67,019
Cost of sales		—			(33,172	)		—			—			(33,172	)
Depreciation, depletion, amortization		—			(9,879	)		—			—			(9,879	)
General and administrative		(3,089	)		(2,455	)		17			—			(5,527	)
Exploration and pre-development		(268	)		(8,272	)		(2,077	)		—			(10,617	)
Gain on derivative contracts		6,171			—			—			—			6,171
Closed operations		—			(1,492	)		(743	)		—			(2,235	)
Equity in loss of subsidiaries		(2,740	)		—			—			2,740			—
Other expense		1,581			(7,310	)		(653	)		(2,161	)		(8,543	)
Income (loss) before income taxes		2,524			3,570			(3,456	)		579			3,217
(Provision) benefit from income taxes		—			(2,854	)		—			2,161			(693	)
Net income (loss)		2,524			716			(3,456	)		2,740			2,524
Preferred stock dividends		(138	)		—			—			—			(138	)
Income (loss) applicable to common shareholders		2,386			716			(3,456	)		2,740			2,386
Net income (loss)		2,524			716			(3,456	)		2,740			2,524
Changes in comprehensive income (loss)		586			(764	)		(132	)		896			(586	)
Comprehensive income (loss)	$	1,938		$	(48	)	$	(3,588	)	$	3,636		$	1,938

	Six Months Ended June 30, 2012
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Revenues	$	(122	)	$	158,294		$	—		$	—		$	158,172
Cost of sales		—			(66,462	)		—			—			(66,462	)
Depreciation, depletion, amortization		—			(19,540	)		—			—			(19,540	)
General and administrative		(5,664	)		(4,248	)		(116	)		—			(10,028	)
Exploration and pre-development		(401	)		(15,042	)		(4,151	)		—			(19,594	)
Gain on derivative contracts		940			—			—			—			940
Closed operations		—			(2,692	)		(1,721	)		—			(4,413	)
Equity in earnings of subsidiaries		13,847			—			—			(13,847	)
Other expense		6,496			(13,269	)		(1,426	)		(7,772	)		(15,971	)
Income (loss) before income taxes		15,096			37,041			(7,414	)		(21,619	)		23,104
(Provision) benefit from income taxes		—			(15,780	)		—			7,772			(8,008	)
Net income (loss)		15,096			21,261			(7,414	)		(13,847	)		15,096
Preferred stock dividends		(276	)		—			—			—			(276	)
Income (loss) applicable to common shareholders		14,820			21,261			(7,414	)		(13,847	)		14,820
Net income (loss)		15,096			21,261			(7,414	)		(13,847	)		15,096
Changes in comprehensive income (loss)		(805	)		(1,135	)		(130	)		1,265			(805	)
Comprehensive income (loss)	$	14,291		$	20,126		$	(7,544	)	$	(12,582	)	$	14,291

	Year Ended December 31, 2012
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Revenues	$	(1,346	)	$	322,489		$	—		$	—		$	321,143
Cost of sales		—			(134,105	)		—			—			(134,105	)
Depreciation, depletion, amortization		—			(43,522	)		—			—			(43,522	)
General and administrative		(11,519	)		(9,519	)		(215	)		—			(21,253	)
Exploration and pre-development		(1,262	)		(38,700	)		(9,776	)		—			(49,738	)
Loss on derivative contracts		(10,457	)		—			—			—			(10,457	)
Closed operations		—			(2,259	)		(2,393	)		—			(4,652	)
Equity in earnings of subsidiaries		21,246			—			—			(21,246	)		—
Other (expense) income		18,292			(27,747	)		(3,207	)		(20,921	)		(33,583	)
Income (loss) before income taxes		14,954			66,637			(15,591	)		(42,167	)		23,833
(Provision) benefit from income taxes		—			(29,802	)		—			20,923			(8,879	)
Net income (loss)		14,954			36,835			(15,591	)		(21,244	)		14,954
Preferred stock dividends		(552	)		—			—			—			(552	)
Income (loss) applicable to common shareholders		14,402			36,835			(15,591	)		(21,244	)		14,402
Net income (loss)		14,954			36,835			(15,591	)		(21,244	)		14,954
Changes in comprehensive income (loss)		(420	)		(911	)		1,438			(527	)		(420	)
Comprehensive income (loss)	$	14,534		$	35,924		$	(14,153	)	$	(21,771	)	$	14,534

	Year Ended December 31, 2011
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Revenues	$	7,140		$	470,494		$	—		$	—		$	477,634
Cost of sales		—			(165,573	)		—			—			(165,573	)
Depreciation, depletion, amortization		—			(47,066	)		—			—			(47,066	)
General and administrative		(10,355	)		(7,909	)		(276	)		—			(18,540	)
Exploration and pre-development		(407	)		(23,548	)		(7,450	)		—			(31,405	)
Gain on derivative contracts		37,988			—			—			—			37,988
Closed operations		—			(8,961	)		(786	)		—			(9,747	)
Equity in earnings of subsidiaries		254,902			—			—			(254,902	)		—
Other (expense) income		(138,104	)		4,920			(3,391	)		126,426			(10,149	)
Income (loss) before income taxes		151,164			222,357			(11,903	)		(128,476	)		233,142
(Provision) benefit from income taxes		—			44,448			—			(126,426	)		(81,978	)
Net income (loss)		151,164			266,805			(11,903	)		(254,902	)		151,164
Preferred stock dividends		(552	)		—			—			—			(552	)
Income (loss) applicable to common shareholders		150,612			266,805			(11,903	)		(254,902	)		150,612
Net income (loss)		151,164			266,805			(11,903	)		(254,902	)		151,164
Changes in comprehensive income (loss)		(8,381	)		(3,089	)		(679	)		3,768			(8,381	)
Comprehensive income (loss)	$	142,783		$	263,716		$	(12,582	)	$	(251,134	)	$	142,783

	Year Ended December 31, 2010
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Revenues	$	(3,033	)	$	421,846		$	—		$	—		$	418,813
Cost of sales		—			(163,983	)		—			—			(163,983	)
Depreciation, depletion, amortization		—			(60,011	)		—			—			(60,011	)
General and administrative		(11,030	)		(7,023	)		(166	)		—			(18,219	)
Exploration and pre-development		(916	)		(16,249	)		(4,440	)		—			(21,605	)
Loss on derivative contracts		(20,758	)		—			—			—			(20,758	)
Closed operations		—			(200,458	)		(678	)		—			(201,136	)
Equity in losses of subsidiary		(9,618	)		—			—			9,618
Other (expense) income		94,338			7,073			(3,106	)		(105,955	)		(7,650	)
Income (loss) before income taxes		48,983			(18,805	)		(8,390	)		(96,337	)		(74,549	)
Benefit from income taxes		—			17,578			—			105,954			123,532
Net income (loss)		48,983			(1,227	)		(8,390	)		9,617			48,983
Preferred stock dividends		(13,633	)		—			—			—			(13,633	)
Income (loss) applicable to common shareholders		35,350			(1,227	)		(8,390	)		9,617			35,350
Net income (loss)		48,983			(1,227	)		(8,390	)		9,617			48,983
Changes in comprehensive income (loss)		(935	)		497			458			(955	)		(935	)
Comprehensive income (loss)	$	48,048		$	(730	)	$	(7,932	)	$	8,662		$	48,048

Condensed Cash Flow Statement [Table Text Block]

	Six Months Ended June 30, 2013
	Parent			Guarantor			Non- Guarantor			Eliminations		Consolidated
	(in thousands)
Cash flows from operating activities	$	(7,524	)	$	54,148		$	(36,349	)			$	10,275
Cash flows from investing activities:
Additions to properties, plants, and equipment		(229	)		(54,128	)		(5,934	)				(60,291	)
Acquisition of Aurizon Mines		(498,705	)					177,588					(321,117	)
Other investing activities, net		—			102			(3,888	)		—		(3,786	)
Cash flows from financing activities:
Dividends paid to shareholders		(4,553	)		—			—					(4,553	)
Borrowings on debt		490,000			—			—					490,000
Proceeds from (payments on) debt		—			(3,425	)		—					(3,425	)
Other financing activity, net		(2,706	)		1,681			(687	)		—		(1,712	)
Changes in cash and cash equivalents		(23,717	)		(1,622	)		130,730					105,391
Beginning cash and cash equivalents		132,266			57,075			1,643					190,984
Ending cash and cash equivalents	$	108,549		$	55,453		$	132,373				$	296,375

	Six Months Ended June 30, 2012
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Cash flows from operating activities	$	22,513		$	4,681		$	(5,773	)	$	9,819		$	31,240
Cash flows from investing activities:
Additions to properties, plants, and equipment		(264	)		(50,789	)		(482	)					(51,535	)
Other investing activities, net		—			116			—			—			116
Cash flows from financing activities:
Dividends paid to shareholders		(10,262	)		—			—						(10,262	)
Proceeds from (payments on) debt		—			(2,486	)		(6	)					(2,492	)
Other financing activity, net		6,467			(3,515	)		6,664			(9,819	)		(203	)
Changes in cash and cash equivalents		18,454			(51,993	)		403						(33,136	)
Beginning cash and cash equivalents		97,850			168,433			180						266,463
Ending cash and cash equivalents	$	116,304		$	116,440		$	583					$	233,327

	Year Ended December 31, 2012
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Cash flows from operating activities	$	49,295		$	42,957		$	(14,296	)	$	(8,940	)	$	69,016
Cash flows from investing activities:
Additions to properties, plants, and equipment		(618	)		(107,425	)		(5,053	)		—			(113,096	)
Other investing activities, net		(48,815	)		891			(5,835	)		48,817			(4,942	)
Cash flows from financing activities:
Dividends paid to shareholders		(17,673	)		—			—			—			(17,673	)
Payments on debt		—			(5,878	)		(12	)		—			(5,890	)
Other financing activity		52,227			(41,903	)		26,659			(39,877	)		(2,894	)
Changes in cash and cash equivalents		34,416			(111,358	)		1,463			—			(75,479	)
Beginning cash and cash equivalents		97,850			168,433			180			—			266,463
Ending cash and cash equivalents	$	132,266		$	57,075		$	1,643		$	—		$	190,984

	Year Ended December 31, 2011
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Cash flows from operating activities	$	105,740		$	79,166		$	(12,449	)	$	(102,566	)	$	69,891
Cash flows from investing activities:
Additions to properties, plants, and equipment		(2	)		(87,454	)		(90	)		—			(87,546	)
Other investing activities		(38,356	)		(1,659	)		1			47,741			7,727
Cash flows from financing activities:
Dividends paid to shareholders		(9,414	)		—			—			—			(9,414	)
Payments on debt		—			(2,938	)		—			—			(2,938	)
Other financing activity		(150,118	)		88,193			12,237			54,825			5,137
Changes in cash and cash equivalents		(92,150	)		75,308			(301	)		—			(17,143	)
Beginning cash and cash equivalents		190,000			93,125			481			—			283,606
Ending cash and cash equivalents	$	97,850		$	168,433		$	180		$	—		$	266,463

	Year Ended December 31, 2010
	Parent			Guarantor			Non- Guarantor			Eliminations			Consolidated
	(in thousands)
Cash flows from operating activities	$	81,676		$	194,716		$	(8,579	)	$	(70,004	)	$	197,809
Cash flows from investing activities:
Additions to properties, plants, and equipment		(340	)		(67,077	)		3			—			(67,414	)
Other investing activities		(4,019	)		1,150			—			5,495			2,626
Cash flows from financing activities:
Dividends paid to shareholders		(4,513	)		—			—			—			(4,513	)
Proceeds from exercise of stock warrants		53,093												53,093
Payments on debt		—			(1,780	)		—			—			(1,780	)
Other financing activity		21,135			(95,484	)		8,947			64,509			(893	)
Changes in cash and cash equivalents		147,032			31,525			371			—			178,928
Beginning cash and cash equivalents		42,968			61,600			110						104,678
Ending cash and cash equivalents	$	190,000		$	93,125		$	481		$	—		$	283,606