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Note 6 - Preferred Stock (Details) (USD $)
In Millions, except Share data, unless otherwise specified
1 Months Ended 12 Months Ended
Jul. 15, 2008
Dec. 31, 2012
Dec. 31, 2011
Jun. 26, 2008
Note 6 - Preferred Stock (Details) [Line Items]        
Temporary Equity, Shares Issued (in Shares)       1,000
Stock Issue Discount, Fees and Expenses $ 8.4      
Preferred Stock, Dividend Rate, Percentage   17.00% 17.00%  
Preferred Stock [Member]
       
Note 6 - Preferred Stock (Details) [Line Items]        
Stock Repurchased and Retired During Period, Value   25.9    
Payments of Dividends   $ 16.7