Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Share data, unless otherwise specified	Dec. 31, 2014	Dec. 31, 2013
Preferred stock, shares authorized	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	157,816	157,816
Series B preferred stock, shares outstanding	157,816	157,816
Series B preferred stock, liquidation preference (in Dollars)	$ 7,891	$ 7,891
Common stock, par value (in Dollars per share)	$ 0.25	$ 0.25
Common stock, shares authorized	500,000,000	500,000,000
Common stock, shares outstanding	367,376,863	342,663,381
Treasury stock, shares	2,151,482	921,721