Note 1 - General and Basis of Presentation (Details) - Effect of Revision on Line Items in Condensed Consolidated Statements of Operations (USD $)	3 Months Ended		12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2012
Condensed Income Statements, Captions [Line Items]
Income tax benefit (provision)	$ 6,320,000	$ (4,269,000)	$ (3,091,000)
Income (loss) from continuing operations	21,789,000	(4,949,000)	(212,607,000)
Net income (loss)	21,789,000	(4,949,000)	(212,607,000)
Net income (loss) attributable to the Company's stockholders	21,552,000	(5,034,000)	(213,021,000)
Comprehensive income (loss)	21,753,000	(4,991,000)	(212,551,000)
Comprehensive income (loss) attributable to the Company's stockholders	21,516,000	(5,076,000)	(212,965,000)
Loss per share attributable to the Company's stockholders:
Earnings per share - basic and diluted (in Dollars per share)		$ (0.11)	$ (4.69)
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:
Earnings per share - basic and diluted (in Dollars per share)		$ (0.04)	$ (4.54)
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:
Earnings per share - basic and diluted (in Dollars per share)		$ (0.07)	$ (0.15)