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Consolidated Balance Sheets (Unaudited) (Parentheticals) - $ / shares
Mar. 31, 2016
Dec. 31, 2015
Preferred stock, par value (in Dollars per share) $ 1 $ 1
Preferred stock, shares authorized 250,000 250,000
Preferred stock, shares issued 0 0
Preferred stock, shares outstanding 0 0
Common stock, par value (in Dollars per share) $ 1 $ 1
Common stock, shares authorized 20,000,000 20,000,000
Common stock, shares issued 11,814,911 11,761,083
Common stock, shares outstanding 11,814,911 11,761,083