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Consolidated Balance Sheets (Parentheticals) (USD $)
Dec. 31, 2013
Dec. 31, 2012
Statement of Financial Position [Abstract]    
Preferred stock (dollars per share) $ 0.1 $ 0.1
Preferred shares authorized 10,000,000 10,000,000
Common stock (dollars per share) $ 0.1 $ 0.1
Common shares authorized 100,000,000 100,000,000
Common shares issued 31,423,427 31,209,866
Common stock outstanding 31,423,427 31,201,106
Common stock in treasury 0 8,760