Note 1 - General and Basis of Presentation (Details) - Effect of Revision on Line Items in Condensed Consolidated Statement of Operations (USD $)	3 Months Ended			6 Months Ended		12 Months Ended
	Jun. 30, 2013	Mar. 31, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2012
Condensed Income Statements, Captions [Line Items]
Income tax benefit (provision)	$ 5,780,000	$ (4,269,000)	$ 3,884,000	$ 9,827,000	$ 9,060,000	$ (3,091,000)
Income (loss) from continuing operations	21,390,000	(4,949,000)	7,534,000	15,836,000	14,760,000	(212,607,000)
Net income (loss)	25,507,000	(4,949,000)	8,722,000	20,533,000	16,747,000	(212,607,000)
Net income (loss) attributable to the Company's stockholders	25,185,000	(5,034,000)	8,641,000	20,126,000	16,536,000	(213,021,000)
Comprehensive income (loss)	25,465,000	(4,991,000)	8,685,000	20,449,000	16,634,000	(212,551,000)
Comprehensive income (loss) attributable to the Company's stockholders	25,254,000	(5,076,000)	8,604,000	20,042,000	16,423,000	(212,965,000)
Loss per share attributable to the Company's stockholders basic and diluted - (in Dollars per share)	$ 0.55	$ (0.11)	$ 0.19	$ 0.44	$ 0.36
Earnings loss per share attributable to the Company's stockholders basic and diluted:						(4,690)
Scenario, Previously Reported [Member]
Condensed Income Statements, Captions [Line Items]
Income tax benefit (provision)		(1,217,000)				3,500,000
Income (loss) from continuing operations		(1,897,000)				(206,016,000)
Net income (loss)		(1,897,000)				(206,016,000)
Net income (loss) attributable to the Company's stockholders		(1,982,000)				(206,430,000)
Comprehensive income (loss)		(1,939,000)				(205,960,000)
Comprehensive income (loss) attributable to the Company's stockholders		(2,024,000)				(206,374,000)
Loss per share attributable to the Company's stockholders basic and diluted - (in Dollars per share)		$ (0.04)
Earnings loss per share attributable to the Company's stockholders basic and diluted:						(4,540)
Scenario, Adjustment [Member]
Condensed Income Statements, Captions [Line Items]
Income tax benefit (provision)		(3,052,000)				(6,591,000)
Income (loss) from continuing operations		(3,052,000)				(6,591,000)
Net income (loss)		(3,052,000)				(6,591,000)
Net income (loss) attributable to the Company's stockholders		(3,052,000)				(6,591,000)
Comprehensive income (loss)		(3,052,000)				(6,591,000)
Comprehensive income (loss) attributable to the Company's stockholders		(3,052,000)				(6,591,000)
Loss per share attributable to the Company's stockholders basic and diluted - (in Dollars per share)		$ (0.07)
Earnings loss per share attributable to the Company's stockholders basic and diluted:						$ (150)