Note 12 - Stock Incentive and Employee Benefit Plans (Details) - Stock Options And Stock Appreciation Rights By Exercise Prices Range (USD $)					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2013 $0.67 to $3.10 [Member]	Dec. 31, 2013 $3.80 to $7.93 [Member]	Dec. 31, 2013 $8.39 to $9.29 [Member]	Dec. 31, 2013 $20.95 to $29.84 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Outstanding, Exercise Price - Low					$ 0.67	$ 3.80	$ 8.39	$ 20.95
Outstanding, Exercise Price - High					$ 3.10	$ 7.93	$ 9.29	$ 29.84
Outstanding, Number of Shares (in Shares)	19,781,866	18,616,382	17,877,785	18,630,205	4,889,003	8,417,963	5,985,921	488,979
Outstanding, Weighted Average Exercise Price	$ 5.54	$ 4.21	$ 4.33	$ 4.46	$ 1.94	$ 4.23	$ 8.41	$ 28.93
Outstanding, Weighted Average Remaining Contractual Life					1 year 324 days	3 years 40 days	4 years 76 days	65 days
Exercisable, Number of Shares (in Shares)	9,736,564	11,956,258	13,137,785		4,889,003	4,358,582		488,979
Exercisable, Weighted Average Exercise Price	$ 4.28	$ 4.17	$ 4.84		$ 1.94	$ 4.14		$ 28.93