Consolidated Statement of Changes in Stockholders' Equity (Unaudited) (Parentheticals) (USD $)	3 Months Ended
	Jun. 30, 2012 Preferred Stock [Member]	Sep. 30, 2013 Common Stock [Member]	Jun. 30, 2013 Common Stock [Member]	Mar. 31, 2013 Common Stock [Member]	Sep. 30, 2012 Common Stock [Member]	Jun. 30, 2012 Common Stock [Member]	Mar. 31, 2012 Common Stock [Member]
Shares of common stock issued as a result of stock purchased under the Employee Stock Purchase Plan (in Shares)		5,973	9,560	5,884	7,642	10,856	7,767
Shares of common stock issued as a result of stock options exercised (in Shares)		7,230	3,769	19,278	7,075	9,090	276
Shares of common stock issued as a result of stock options exercised (in Shares)				(7,048)		(611)
Exchange of shares of common stock in connection with payroll taxes for restricted stock (in Shares)				(19,547)
Common cash dividends declared per share (in Dollars per share)			$ 0.04			$ 0.04
Shares of common stock issued as a result of the acquisition of Community National Bancorporation (in Shares)			834,715
Shares of common stock exchanged in connection with payroll taxes for restricted stock (in Dollars)				$ (16,798)			$ (576)
Shares of Series F Noncumulative Perpetual Preferred Stock Redeemed (in Shares)	10,223
Shares of common stock issued in conjunction with the Series A Subordinated Notes from exercise of warrants (in Shares)					1,000	4,300