Note 5 - Earnings (Loss) Per Common Share (Details) - Weighted Average Common Shares (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Numerator
Net income (loss)	$ 3,676	$ (8,458)	$ 919	$ (22,222)
Preferred stock dividends	(138)	(138)	(414)	(414)
Net income (loss) applicable to common shares for basic and diluted earnings per share	$ 3,538	$ (8,596)	$ 505	$ (22,636)
Denominator
Basic weighted average common shares (in Shares)	359,472	342,638	348,801	310,601
Dilutive warrants, stock options and restricted stock (in Shares)	2,790		5,872
Diluted weighted average common shares (in Shares)	362,262	342,638	354,673	310,601
Basic earnings (loss) per common share
Net income (loss) applicable to common shares (in Dollars per share)	$ 0.01	$ (0.03)	$ 0.00	$ (0.07)
Diluted earnings (loss) per common share
Net income (loss) applicable to common shares (in Dollars per share)	$ 0.01	$ (0.03)	$ 0.00	$ (0.07)