Note 5 - Loans (Details) (USD $)	2 Months Ended	12 Months Ended
	Feb. 21, 2014	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Note 5 - Loans (Details) [Line Items]
Mortgage Loans Serviced For Benefit Of Others		$ 384,500,000	$ 388,700,000
Aggregate Of Net Unearned Income Net Deferred Fees And Costs And Discounts And Premiums		643,000	320,000
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans		757,000
Financing Receivable Modifications Recorded Investments		7,077,000	6,018,000	1,152,000
Loans and Leases Receivable, Impaired, Troubled Debt, Interest Income	1,600,000		1,800,000
Impaired Financing Receivable, Average Recorded Investment	44,700,000		62,400,000
Subsequent Event [Member]
Note 5 - Loans (Details) [Line Items]
Financing Receivable Modifications Recorded Investments	406,000
Federal Home Loan Bank Advances [Member]
Note 5 - Loans (Details) [Line Items]
Loans Pledged as Collateral		205,200,000	201,200,000
Lendable Collateral		90,200,000	79,900,000
Federal Reserve Services [Member]
Note 5 - Loans (Details) [Line Items]
Loans Pledged as Collateral		794,000	2,500,000
Lendable Collateral		$ 651,000	$ 2,200,000