CONSOLIDATED BALANCE SHEETS (Parentheticals) - $ / shares	Sep. 30, 2015	[1]	Dec. 31, 2014
Statement Of Financial Position [Abstract]
Common stock, par value (in dollars per share)	$ 0.20		$ 0.20
Common stock, shares authorized	4,000,000		4,000,000
Common stock, shares issued	2,614,506		2,614,506
Common stock, shares outstanding	2,261,356		2,278,791
Treasury stock, shares	176,297		158,862

[1] (Unaudited)