Preferred Stock (Details) (USD $)	6 Months Ended		9 Months Ended				1 Months Ended
	Jun. 30, 2012	Jun. 30, 2011	Sep. 30, 2011	Apr. 18, 2012	Dec. 31, 2011	Jan. 30, 2009	Jan. 30, 2009 Series A preferred stock dividend payment percentage for first 5 years [Member]	Jan. 30, 2009 Series A preferred stock dividend payment percentage after 5 years [Member]
Class of Stock [Line Items]
Preferred stock, dividend rate, percentage							5.00%	9.00%
Preferred Stock (Textual) [Abstract]
Preferred stock, shares authorized	5,000,000		5,000,000		5,000,000
Preferred stock, par value	$ 0.01		$ 0.01		$ 0.01
Redemption of preferred shares				4,076
Value of redemption of preferred shares				$ 4,076,000
Value of preferred stock outstanding				4,076,000
Preferred stock, Series A, shares outstanding	4,076			4,076	8,152
Treasury repurchases shares of fixed rate cumulative perpetual preferred stock, series A	4,076				8,152	8,152
Treasury repurchases value of fixed rate cumulative perpetual preferred stock, series A	4,076,000				8,146,000	8,200,000
Warrant exercisable per share			4.08
Investment warrants expiration date			Jan. 30, 2019
Dividends declared	$ 162,473	$ 203,800