Note 16 - Share-Based and Other Compensation Plans (Non-Qualified Stock Options - Range of Exercise Prices) (Details) (2008 Equity Plan [Member], USD $)	12 Months Ended
	Dec. 31, 2011 years
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Options Outstanding, Number Outstanding	3,472,762
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	2.9
Options Exercisable, Number Exercisable	2,410,123
Share-based Compensation Arrangement by Share-based Payment Award, Options Granted in Period, Closing Price of Common Stock Vesting Criteria	$ 4.48
Share-based Compensation Arrangement by Share-based Payment Award, Options Granted in Period, Percent of Increase Over Granted Price for Additional Vesting Criteria	125.00%
Number of Consecutive Trading Days For Current Year Options Granted Vesting Requirement	10
Minimum [Member] | Stock Options [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Share-based Compensation Arrangement by Share-based Payment Award, Award Vesting Period as Defined in Change in Control Criteria	3 years
$2.48 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 2.48
Range of Exercise Prices, Upper Range Limit	$ 2.48
Options Outstanding, Number Outstanding	444,800
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	3.6
Options Outstanding, Weighted Average Exercise Price	$ 2.48
Options Exercisable, Number Exercisable	222,400
Options Exercisable, Weighted Average Exercise Price	$ 2.48
$3.58 - $7.06 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 3.58
Range of Exercise Prices, Upper Range Limit	$ 7.06
Options Outstanding, Number Outstanding	620,639
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	6.4
Options Outstanding, Weighted Average Exercise Price	$ 4.37
Options Exercisable, Number Exercisable	0
Options Exercisable, Weighted Average Exercise Price	$ 0
$10.42 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 10.42
Range of Exercise Prices, Upper Range Limit	$ 10.42
Options Outstanding, Number Outstanding	219,600
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	5.4
Options Outstanding, Weighted Average Exercise Price	$ 10.42
Options Exercisable, Number Exercisable	0
Options Exercisable, Weighted Average Exercise Price	$ 0
$20.34 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 20.34
Range of Exercise Prices, Upper Range Limit	$ 20.34
Options Outstanding, Number Outstanding	980,000
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	2.7
Options Outstanding, Weighted Average Exercise Price	$ 20.34
Options Exercisable, Number Exercisable	980,000
Options Exercisable, Weighted Average Exercise Price	$ 20.34
$35.79 - $46.39 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 35.79
Range of Exercise Prices, Upper Range Limit	$ 46.39
Options Outstanding, Number Outstanding	558,701
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	0.6
Options Outstanding, Weighted Average Exercise Price	$ 41.12
Options Exercisable, Number Exercisable	558,701
Options Exercisable, Weighted Average Exercise Price	$ 41.12
$48.39 - $56.03 [Member]
Share-based Compensation, Shares Authorized under Stock Option Plans, Exercise Price Range [Line Items]
Range of Exercise Prices, Lower Range Limit	$ 48.39
Range of Exercise Prices, Upper Range Limit	$ 56.03
Options Outstanding, Number Outstanding	649,022
Options Outstanding, Weighted Average Remaining Contractual Life (Years)	0.7
Options Outstanding, Weighted Average Exercise Price	$ 53.08
Options Exercisable, Number Exercisable	649,022
Options Exercisable, Weighted Average Exercise Price	$ 53.08