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CONSOLIDATED BALANCE SHEETS [Parenthetical] - $ / shares
Dec. 31, 2018
Dec. 31, 2017
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 200,000,000 200,000,000
Common stock, shares issued 68,691,925 68,691,925
Common stock, shares outstanding 68,691,925 68,691,925