Note 13 - Borrowings (Details) (USD $) In Millions, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Sep. 30, 2013	Aug. 31, 2013	Dec. 31, 2012	Jan. 31, 2014 Subsequent Event [Member]
Note 13 - Borrowings (Details) [Line Items]
Federal Home Loan Bank Advances General Debt Obligations Disclosures Percentage Of Maximum Amount Available		25.00%	15.00%
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Weighted Average Interest Rate	0.17%				0.23%
Federal Reserve Advances General Debt Obligations Disclosures Loans And Securities Pledged (in Dollars)	$ 2.2			$ 4.1
Loans and Investment Securities Available as Lendable Collateral (in Dollars)	2.1			3.9
Number Of Secured Line Of Credit Facility				3
Number Of Unsecured Line Of Credit Facility				1
Number Of Banks				3
Line of Credit Facility, Maximum Borrowing Capacity (in Dollars)	60			50
Additional Line of Credit Acquired (in Dollars)	$ 10