Condensed Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Preferred stock, shares authorized (in Shares)	5,000,000	5,000,000
Series B preferred stock, par value (in Dollars per share)	$ 0.25	$ 0.25
Series B preferred stock, shares issued (in Shares)	157,816	157,816
Series B preferred stock, shares outstanding (in Shares)	157,816	157,816
Series B preferred stock, liquidation preference (in Shares)	7,891	7,891
Common stock, par value (in Dollars per share)	$ 0.25	$ 0.25
Common stock, shares authorized (in Shares)	500,000,000	500,000,000
Common stock, shares issued (in Shares)	285,546,859	285,289,924
Common stock, shares outstanding (in Shares)	285,546,859	285,289,924
Treasury stock, common shares (in Shares)	437,986	392,645