Note 1 - General and Basis of Presentation (Details) - Effect of Revision on Line Items in Condensed Consolidated Statement of Operations (USD $)	3 Months Ended			9 Months Ended		12 Months Ended
	Sep. 30, 2013	Mar. 31, 2013	Sep. 30, 2012	Sep. 30, 2013	Sep. 30, 2012	Dec. 31, 2012
Condensed Income Statements, Captions [Line Items]
Income tax benefit (provision)	$ 5,201,000	$ (4,269,000)	$ 1,088,000	$ 15,028,000	$ 10,148,000	$ (3,091,000)
Income (loss) from continuing operations	13,143,000	(4,949,000)	(2,247,000)	28,979,000	12,454,000	(212,607,000)
Net income (loss)	13,143,000	(4,949,000)	(515,000)	33,676,000	16,232,000	(212,607,000)
Net income (loss) attributable to the Company's stockholders	12,950,000	(5,034,000)	(582,000)	33,076,000	15,954,000	(213,021,000)
Comprehensive income (loss)	13,103,000	(4,991,000)	(300,000)	33,552,000	16,334,000	212,551,000
Comprehensive income (loss) attributable to the Company's stockholders	12,892,000	(5,076,000)	(367,000)	32,952,000	16,056,000	212,965,000
Loss per share attributable to the Company's stockholders:
Earnings per share - basic and diluted (in Dollars per share)		$ (110)				$ (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:
Earnings per share - basic and diluted (in Dollars per share)		$ (40)				$ (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:
Earnings per share - basic and diluted (in Dollars per share)		$ (70)				$ (150)