Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - Scenario, Unspecified [Domain] - USD ($) $ in Thousands	Jun. 30, 2015	Dec. 31, 2014
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	376,732,868	367,376,863
Common stock, shares issued	376,732,868	367,376,863
Treasury stock, shares	2,435,518	2,151,482