Consolidated Statements of Stockholders’ Equity (Parentheticals) (USD $) In Thousands, except Share data	6 Months Ended
	Jun. 30, 2011	Dec. 31, 2010	Jun. 30, 2010
Change in unrealized appreciation on available-for-sale securities, income tax portion (in Dollars)	$ 116	$ 379	$ 218
Common Stock [Member]
Shares issued	47,995		80,245
Shares issued	4,805		4,947
Exercise of stock options, shares	28,566	70,586	38,018
Securities exchanged under stock option plan - Shares	4,185