Consolidated Balance Sheets (Parentheticals) (USD $)	Jun. 30, 2012	Dec. 31, 2011
Common stock, par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock, shares authorized	150,000,000	150,000,000
Common stock, shares issued	16,974,506	16,639,704
Common stock, shares outstanding	16,974,506	16,639,704
Preferred stock, par value (in Dollars per share)	$ 1.00	$ 1.00
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0