Condensed Consolidated Balance Sheets (Parentheticals) (USD $) In Thousands, except Per Share data, unless otherwise specified	Jun. 30, 2013	Dec. 31, 2012
Statement Of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 1.25	$ 1.25
Common stock, shares authorized	6,000	6,000
Common stock, shares issued	3,012	2,987
Common stock, shares outstanding	3,012	2,987