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Consolidated Balance Sheets (Parentheticals) (USD $)
Sep. 30, 2013
Dec. 31, 2012
Preferred stock (dollars per share) $ 0.10 $ 0.10
Preferred shares authorized 10,000,000 10,000,000
Common stock $ 0.10 $ 0.10
Common shares authorized 100,000,000 100,000,000
Common shares issued 31,399,180 31,209,866
Common stock outstanding 31,399,180 31,201,106
Common stock in treasury 0 8,760