Sale of Common Stock (Details Textual) (USD $)
Jun. 30, 2012
Mar. 31, 2012
Dec. 31, 2011
Apr. 02, 2012
Initial public offering [Member]
Sale of Common Stock (Textual) [Abstract]        
Common stock, shares issued 12,486,727 9,336,727 9,336,727 3,150,000
Common stock, par value $ 0.10   $ 0.10 $ 0.10
Selling price per share       $ 15.00