Condensed Consolidated Balance Sheets (Current Period Unaudited) (Parentheticals) - $ / shares	Jun. 30, 2015	Dec. 31, 2014	Jun. 30, 2014
Common stock, shares authorized (in shares)	25,000,000	25,000,000
Common stock, par value (in dollars per share)	$ 1	$ 1
Common stock, shares issued (in shares)	11,680,395	11,680,395	11,771,286
Common stock, shares outstanding (in shares)	11,680,395	11,680,395	11,771,286