Note 1 - Business and Significant Accounting Policies (Tables)

12 Months Ended

Dec. 31, 2013

Disclosure Text Block [Abstract]

Condensed Balance Sheet [Table Text Block]

	As of December 31, 2012
	As reported			Adjustment			As revised
	(Dollars in thousands)
Deferred income taxes	$	53,989		$	(32,706	)	$	21,283
Property, plant and equipment, net		1,226,758			26,115			1,252,873
Total assets		2,094,114			(6,591	)		2,087,523
Accumulated deficit		(37,735	)		(6,591	)		(44,326	)
Total equity		702,189			(6,591	)		695,607
Total liabilities and equity		2,094,114			(6,591	)		2,087,523

	As of March 31, 2013
	As reported			Adjustment			As revised
	(Dollars in thousands)
Deferred income taxes	$	52,939		$	(35,758	)	$	17,181
Property, plant and equipment, net		1,207,410			26,115			1,233,525
Total assets		2,143,568			(9,643	)		2,133,925
Accumulated deficit		(39,717	)		(9,643	)		(49,360	)
Total equity		706,519			(9,643	)		696,876
Total liabilities and equity		2,143,568			(9,643	)		2,133,925

Condensed Income Statement [Table Text Block]

	Year Ended December 31, 2012
	As reported			Adjustment			As revised
	(Dollars in thousands, except per share data)
Income tax benefit (provision)	$	3,500		$	(6,591	)	$	(3,091	)
Loss from continuing operations		(206,016	)		(6,591	)		(212,607	)
Net loss		(206,016	)		(6,591	)		(212,607	)
Net loss attributable to the Company's stockholders	$	(206,430	)	$	(6,591	)	$	(213,021	)
Comprehensive loss		(205,960	)		(6,591	)		(212,551	)
Comprehensive loss attributable to the Company's stockholders	$	(206,374	)	$	(6,591	)	$	(212,965	)
Loss per share attributable to the Company's stockholders:
Basic and diluted	$	(4.54	)	$	(0.15	)	$	(4.69	)

	Three Months Ended March 31, 2013
	As reported			Adjustment			As revised
	(Dollars in thousands)
Income tax benefit (provision)	$	(1,217	)	$	(3,052	)	$	(4,269	)
Loss from continuing operations		(1,897	)		(3,052	)		(4,949	)
Net loss		(1,897	)		(3,052	)		(4,949	)
Net loss attributable to the Company's stockholders	$	(1,982	)	$	(3,052	)	$	(5,034	)
Comprehensive loss:
Net loss		(1,897	)		(3,052	)		(4,949	)
Comprehensive loss		(1,939	)		(3,052	)		(4,991	)
Comprehensive loss attributable to the Company's stockholders	$	2,024		$	(3,052	)	$	(5,076	)
Loss per share attributable to the Company's stockholders:
Basic and diluted	$	(0.04	)	$	(0.07	)	$	(0.11	)

Condensed Cash Flow Statement [Table Text Block]

	Year Ended December 31, 2012
	As reported			Adjustment			As revised
	(Dollars in thousands)
Cash flows from operating activities:
Net loss	$	(206,016	)	$	(6,591	)	$	(212,607	)
Deferred income tax provision (benefit)		(11,327	)		6,591			(4,736	)
Net cash provided by operating activities	$	89,471		$	-		$	89,471

	Three Months Ended March 31, 2013
	As reported			Adjustment			As revised
	(Dollars in thousands)
Cash flows from operating activities:
Net loss	$	(1,897	)	$	(3,052	)	$	(4,949	)
Deferred income tax provision		668			3,052			3,720
Net cash provided by operating activities	$	18,216		$	-		$	18,216

Schedule of Estimated Useful Lives [Table Text Block]

Leasehold improvements (years)	15	-	20
Machinery and equipment — manufacturing and drilling (years)		10
Machinery and equipment — computers (years)	3	-	5
Office equipment — furniture and fixtures (years)	5	-	15
Office equipment — other (years)	5	-	10
Automobiles (years)	5	-	7

Schedule of Weighted Average Number of Shares [Table Text Block]

	Year Ended December 31,
	2013		2012		2011
	(In thousands)
Weighted average number of shares used in computation of basic earnings (losses) per share		45,440		45,431		45,431
Add:
Additional shares from the assumed exercise of employee stock awards		35		-		-
Weighted average number of shares used in computation of diluted earnings (losses) per share		45,475		45,431		45,431