Note 5 - Stockholders' Equity and Earnings Per Common Share (Details) (USD $)	0 Months Ended	3 Months Ended		6 Months Ended		12 Months Ended
	Apr. 12, 2012	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012	Dec. 31, 2011	Mar. 31, 2013
Other Comprehensive Income And Earnings Per Common Share Disclosure [Abstract]
Deferred Tax Assets, Net		$ 536,000,000,000	$ 2,510,000	$ 536,000,000,000	$ 2,510,000
Antidilutive Securities Excluded from Computation of Earnings Per Share, Amount (in Shares)		500	276,500	35,100	276,500
Fixed Rate Cumulative Preferred Stock issued under the Capital Purchase Program							20,000,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights (in Shares)							167,504
Stock Redeemed or Called During Period, Value	10,000,000					10,000,000
Reduction in income available to common shareholders	$ 151,000