Consolidated Balance Sheets (Parentheticals) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Preferred stock par value (in Dollars per share)	$ 0.01	$ 0.01
Preferred stock shares authorized	40,040,000	40,040,000
Preferred stock shares issued	0	0
Common stock Class A par value (in Dollars per share)	$ 0.01	$ 0.01
Common stock Class A shares authorized	60,000,000	60,000,000
Common stock Class A shares issued	16,542,778	17,212,317
Common stock Class A shares outstanding	16,542,778	17,212,317