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Consolidated Balance Sheets (Parenthetical) (USD $)
Dec. 31, 2012
Dec. 31, 2011
Preferred stock, par value $ 0.01 $ 0.01
Preferred stock, shares authorized 50,000,000 50,000,000
Preferred stock, shares issued 3,450,000 3,450,000
Preferred stock, shares outstanding 3,450,000 3,450,000
Common stock, par value $ 0.01 $ 0.01
Common stock, shares authorized 450,000,000 450,000,000
Common stock, shares issued 28,044,106 20,561,032
Common stock, shares outstanding 28,044,106 20,561,032