Note 14 - Income Taxes (Detail) - Components of Income Tax Benefit (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Current income tax (benefit) expense:
Federal	$ 0	$ 1,929	$ (14,926)
State	1	419	1,439
Total	1	2,348	(13,487)
Deferred income tax (benefit) expense:
Federal	(23,728)	1,605	(8,895)
State	(5,155)	555	(6,162)
Total	(28,883)	2,160	(15,057)
Total income (benefit) expense	$ (28,882)	$ 4,508	$ (28,544)