Note 19 - Series A Convertible Preferred Stock (Detail) (USD $)	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2011	Oct. 31, 2007
Preferred Stock, Value, Issued (in Dollars)	$ 170,514,000	$ 170,515,000	$ 170,555,000
Preferred Stock, Liquidation Preference Per Share	$ 15.75	$ 15.75	$ 15.75
Preferred Stock, Dividend Rate, Per-Dollar-Amount	$ 0.80
Preferred Stock Conversion Price	$ 65.07
Convertible Preferred Stock, Shares Issued upon Conversion (in Shares)	0.24204
Preferred Stock, Redemption Price Per Share	$ 15.75