Note 4 - Loans and Allowance for Credit Losses (Details) (USD $)	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013	Dec. 31, 2013
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Commitments to Lend	$ 0		$ 0		$ 0
Financing Receivable, Modifications, Recorded Investment	5,907,000	7,538,000	5,907,000	7,538,000
Impaired Loans Restructured Nonaccrual Status	711,000		711,000		529,000
Troubled Debt Restructurings During Period	3	0	5	4
Financing Receivable, Modifications, Subsequent Default, Number of Contracts	0	0	0
Long-term Federal Home Loan Bank Advances	20,156,000		20,156,000		20,577,000
Restricted Pledged Loans	20,374,000		20,374,000		24,242,000
Loans Receivable Held-for-sale, Amount	0		0		0
Three Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment	617,000		617,000
Five Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment	726,000		726,000
Four Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment		3,019,000		3,019,000
Restructured Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,907,000		5,907,000		5,453,000
Commercial Real Estate Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Subsequent Default, Number of Contracts				1
Financing Receivable, Modifications, Subsequent Default, Recorded Investment				$ 3,954,000