Consolidated Statement of Changes in Stockholders' Equity (Parentheticals)	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Shares of common stock issued as a result of stock purchased under the Employee Stock Purchase Plan	7,767	9,081
Shares of common stock issued as a result of stock options exercised	276	24,300
Shares of common stock exchanged in connection with share based	576	2,171