Subsequent Events (Unaudited) (Details Textual) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended			1 Months Ended		1 Months Ended
	Dec. 31, 2012	Jan. 31, 2013	Jun. 30, 2012	Jan. 11, 2013 Subsequent Event [Member]	Jan. 31, 2013 Subsequent Event [Member]	Jan. 11, 2013 Subsequent Event [Member] Common Stock [Member] Investor	Jan. 11, 2013 Subsequent Event [Member] Convertible Preferred Stock [Member]
Subsequent Events (Textual) [Abstract]
Number of accredited investors						28
Private offering securities issued to accredited investors	$ 2.1					$ 39.9
Stock issued, shares						6,574,272	7,942
Common stock shares issued upon conversion of each preferred shares				1,000
Percentage of cash dividend to be paid after regulatory approval				12.00%
Percentage of outstanding common shares expected to be purchased following transactions				29.00%
Maximum percentage of shares owned by investors				4.90%
Tier 1 leverage capital ratio	8.70%	8.50%	9.00%		8.50%
Tier 1 capital to risk-weighted assets, ratio					12.00%
Investment of insider investors in common share						2.1
Newly issued common shares						755,820
Sales price per share						$ 2.75	$ 2,750.00
Opportunity to purchase share						$ 5.0
Purchase price per common share through right offering						$ 2.75