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Consolidated Balance Sheets (Parenthetical) (USD $)
Mar. 31, 2013
Dec. 31, 2012
Consolidated Balance Sheets [Abstract]    
Preferred stock, par value $ 0.10 $ 0.10
Preferred stock, shares authorized 100,000,000 100,000,000
Preferred stock, shares issued      
Preferred stock, shares outstanding      
Common stock, par value $ 0.10 $ 0.10
Common stock, shares authorized 1,000,000,000 1,000,000,000
Common stock, shares issued 12,584,942 12,486,727
Common stock, shares outstanding 12,584,942 12,486,727