Note 4 - Shareholders' Equity (Detail) (USD $)	3 Months Ended			1 Months Ended	10 Months Ended	61 Months Ended
	Jun. 28, 2012	Jun. 30, 2012	Dec. 31, 2011	Jan. 30, 2009 Capital Purchase Program [Member]	Dec. 31, 2014 Preferred Class A [Member]	Feb. 15, 2014 Preferred Class A [Member]	Jan. 30, 2009 Preferred Class A [Member]
Preferred Stock, Shares Issued		17,000	17,000				33,000
Preferred Stock, Liquidation Preference Per Share (in Dollars per share)							$ 1,000
Class of Warrant or Right, Number of Securities Called by Warrants or Rights		578,947		578,947
Class of Warrant or Right, Exercise Price of Warrants or Rights (in Dollars per Item)		8.55		8.55
Stock and Warrants Issued During Period, Value, Preferred Stock and Warrants (in Dollars)				$ 33,000,000
Temporary Equity, Aggregate Amount of Redemption Requirement (in Dollars)							32,700,000
Warrants and Rights Outstanding (in Dollars)		1,946,670		300,000
Fair Value Assumptions, Expected Term				10 years
Preferred Stock, Dividend Rate, Percentage					9.00%	5.00%
Stock Repurchased During Period, Shares	16,000
Stock Repurchased Price Per Share (in Dollars per share)	$ 941.01
Stock Repurchased During Period, Value (in Dollars)	$ 15,100,000
Preferred Stock, Shares Outstanding		17,000