Note 1 - Business and Significant Accounting Policies (Details) - Effect of Revision on Line Items in Condensed Consolidated Statement of Operations (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended							12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Sep. 30, 2012	Jun. 30, 2012	Mar. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Condensed Income Statements, Captions [Line Items]
Income tax benefit (provision)	$ 1,476	$ (5,201)	$ (5,780)	$ (4,269)	$ (1,088)	$ (3,884)	$ (5,457)	$ 13,552	$ (3,091)	$ 48,240
Income (loss) from continuing operations	8,355	13,143	21,390	(4,949)	(2,247)	7,534	8,025	37,334	(212,607)	(44,881)
Net income (loss)	8,355	13,143	25,507	(4,949)	(515)	8,722	8,025	42,031	(212,607)	(42,724)
Net income (loss) attributable to the Company's stockholders	8,162	12,950	25,185	(5,034)	(582)	8,641	7,895	41,238	(213,021)	(43,056)
Comprehensive income (loss)				(4,991)				41,867	(212,551)	(43,173)
Comprehensive income (loss) attributable to the Company's stockholders				(5,076)				41,074	(212,965)	(43,505)
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)					3,500
Income (loss) from continuing operations				(1,897)					(206,016)
Net income (loss)				(1,897)					(206,016)
Net income (loss) attributable to the Company's stockholders				(1,982)					(206,430)
Comprehensive income (loss)				(1,939)					(205,960)
Comprehensive income (loss) attributable to the Company's stockholders				2,024					(206,374)
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)					(6,591)
Income (loss) from continuing operations				(3,052)					(6,591)
Net income (loss)				(3,052)					(6,591)
Net income (loss) attributable to the Company's stockholders				(3,052)					(6,591)
Comprehensive income (loss)				(3,052)					(6,591)
Comprehensive income (loss) attributable to the Company's stockholders				$ (3,052)					$ (6,591)
Loss per share attributable to the Company's stockholders:
Earnings per share - basic and diluted (in Dollars per share)				$ (0.07)					$ (0.15)