Note 4 - Loans and Allowance for Credit Losses (Details) (USD $)	3 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Commitments to Lend	$ 0		$ 0
Financing Receivable, Modifications, Recorded Investment	5,271,000	8,707,000
Impaired Loans Restructured Nonaccrual Status	262,000		529,000
Troubled Debt Restructurings During Period	1	1
Long-term Federal Home Loan Bank Advances	20,437,000		20,577,000
Restricted Pledged Loans	22,766,000		24,242,000
Loans Receivable Held-for-sale, Net	0		0
Restructured Loans [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment	5,271,000		5,453,000
One Loan [Member]
Note 4 - Loans and Allowance for Credit Losses (Details) [Line Items]
Financing Receivable, Modifications, Recorded Investment	$ 17,000	$ 2,009,000