Note 5 - Loans (Details) (USD $)	3 Months Ended	6 Months Ended
	Jun. 30, 2014	Jun. 30, 2014	Dec. 31, 2013
Note 5 - Loans (Details) [Line Items]
Mortgage Loans Serviced for Benefit of Others	$ 385,900,000	$ 385,900,000	$ 384,500,000
Aggregate of Net Unearned Income Net Deferred Fees and Costs and Discounts and Premiums	635,000	635,000	643,000
Loans and Leases Receivable, Impaired, Interest Lost on Nonaccrual Loans	351,000	813,000
Impaired Financing Receivable, Interest Income, Accrual Method	171,000	340,000
Impaired Financing Receivable, Average Recorded Investment	42,900,000	43,500,000
Federal Home Loan Bank Advances [Member]
Note 5 - Loans (Details) [Line Items]
Loans Pledged as Collateral	181,300,000	181,300,000	205,200,000
Lendable Collateral	86,400,000	86,400,000	90,200,000
Federal Reserve Services [Member]
Note 5 - Loans (Details) [Line Items]
Loans Pledged as Collateral	588,000	588,000	794,000
Lendable Collateral	$ 498,000	$ 498,000	$ 651,000