Consolidated Balance Sheet (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Common stock, par value	$ 0.20	$ 0.20
Common stock, authorized shares	4,000,000	4,000,000
Common stock, issued shares	2,614,506	2,614,506
Common stock, shares outstanding	1,981,877	1,981,877
Treasury stock, at cost shares	377,135	377,135