Note 14 - Income Taxes (Detail) - Components of Income Tax Benefit (USD $) In Thousands, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Current tax expense (benefit):
Federal	$ 1,929	$ (14,926)	$ (10,298)
State	419	1,439	(5,420)
Total	2,348	(13,487)	(15,718)
Deferred tax expense (benefit):
Federal	1,605	(8,895)	(28,808)
State	555	(6,162)	(5,650)
Total	2,160	(15,057)	(34,458)
Total income expense (benefit)	$ 4,508	$ (28,544)	$ (50,176)