CONDENSED CONSOLIDATED BALANCE SHEETS (Parentheticals) (USD $) In Thousands, except Per Share data	Jun. 30, 2011	Dec. 31, 2010
Statement Of Financial Position [Abstract]
Preferred stock, par value (in dollars per share)	$ 0.01	$ 0.01
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued
Preferred stock, shares outstanding
Common stock, par value (in dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorised	100,000,000	100,000,000
Common stock, shares issued	53,700,171	44,973,335
Common stock, shares outstanding	53,700,171	44,973,335