Note 5 - Loans (Details) (USD $)	3 Months Ended	9 Months Ended
	Sep. 30, 2014	Sep. 30, 2014	Dec. 31, 2013
Note 5 - Loans (Details) [Line Items]
Mortgage Loans Serviced for Benefit of Others	$ 385,000,000	$ 385,000,000	$ 384,500,000
Loans and Leases Receivable, Deferred Income	626,000	626,000	643,000
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	67,000	408,000
Impaired Financing Receivable, Interest Income, Accrual Method	368,000	1,200,000
Impaired Financing Receivable, Average Recorded Investment	41,800,000	42,900,000
Federal Home Loan Bank Advances [Member]
Note 5 - Loans (Details) [Line Items]
Loans Pledged as Collateral	160,400,000	160,400,000	205,200,000
Lendable Collateral	74,100,000	74,100,000	90,200,000
Federal Reserve Services [Member]
Note 5 - Loans (Details) [Line Items]
Loans Pledged as Collateral	344,000	344,000	794,000
Lendable Collateral	$ 290,000	$ 290,000	$ 651,000