Consolidated Balance Sheets (Unaudited) (Parentheticals) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Preferred stock, undesignated, par value (in Dollars per share)	$ 0.10	$ 0.10
Preferred stock, undesignated, shares authorized	2,000,000	2,000,000
Preferred stock, undesignated, shares outstanding	0	0
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	125,000,000	125,000,000
Common stock, shares issued	39,470,070	39,246,015
Common stock, shares outstanding	39,470,070	39,246,015