Note 12 - Stock Incentive and Employee Benefit Plans (Detail) - Stock Option And Stock Appreciation Rights Activity (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Outstanding, beginning of year	17,877,785	18,630,205	20,391,956
Outstanding, beginning of year (in Dollars per share)	$ 4.33	$ 4.46	$ 4.75
Granted	6,222,222	1,350,000	400,000
Granted (in Dollars per share)	$ 4.24	$ 3.82	$ 3.81
Exercised	(4,677,271)	(1,050,025)	(1,181,743)
Exercised (in Dollars per share)	$ 2.79	$ 1.19	$ 2.21
Canceled	(806,354)	(1,052,395)	(980,008)
Canceled (in Dollars per share)	$ 16.04	$ 9.15	$ 12.90
Outstanding, end of year	18,616,382	17,877,785	18,630,205
Outstanding, end of year (in Dollars per share)	$ 4.21	$ 4.33	$ 4.46
Exercisable at end of year	11,956,258	13,137,785	10,401,955
Exercisable at end of year (in Dollars per share)	$ 4.17	$ 4.84	$ 5.96
Available for future grant	23,283,953	31,570,998	4,279,893