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CONSOLIDATED BALANCE SHEETS [Parenthetical] - $ / shares
Dec. 31, 2015
Dec. 31, 2014
Serial preferred stock, shares authorized 5,000,000 5,000,000
Serial preferred stock, outstanding 0 0
Common stock, par value (in dollars per share) $ 0.01 $ 0.01
Common stock, shares authorized 75,000,000 75,000,000
Common stock, shares issued 27,069,000 26,881,000
Common stock, shares outstanding 25,445,000 25,337,000
Treasury stock, shares 1,624,000 1,544,000