Consolidated Balance Sheets (Parenthetical) (USD $)	Jun. 30, 2011	Dec. 31, 2010
Common Stock, par value	$ 0	$ 0
Common Stock, shares authorized	12,000,000	12,000,000
Common Stock, shares issued	4,663,726	4,649,317
Common Stock, shares outstanding	4,444,275	4,429,866
Treasury stock, shares	219,451	219,451