Note 11 - Term Debt (Details) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Note 11 - Term Debt (Details) [Line Items]
Federal Home Loan Bank Stock	$ 4,500,000us-gaap_FederalHomeLoanBankStock
Mortgage Loans on Real Estate, Commercial and Consumer, Net	327,200,000
Loans Pledged as Collateral	90,000,000us-gaap_LoansPledgedAsCollateral
Pledged Financial Instruments, Not Separately Reported, Securities for Federal Home Loan Bank	19,200,000
Federal Home Loan Bank of San Francisco [Member]
Note 11 - Term Debt (Details) [Line Items]
Advances from Federal Home Loan Banks	90,000,000	75,000,000
Federal Home Loan Bank, Advances, General Debt Obligations, Maximum Amount Available	90,000,000	75,000,000
Federal Home Loan Bank, Advances, Activity for Year, Average Balance of Agreements Outstanding	$ 84,000,000	$ 77,500,000
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Weighted Average Interest Rate	0.25%	0.24%

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Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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The calculated average balance outstanding for the year for all Federal Home Loan Bank advances as of the Balance Sheet date.

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Amount of maximum advances or credit lines available from the Federal Home Loan Bank (FHLB).

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-Publisher FASB

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-Number 210

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States the weighted average interest rate applicable to the advances from the Federal Home Loan Bank outstanding as of the Balance Sheet date.

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Federal Home Loan Bank (FHLB) stock represents an equity interest in a FHLB. It does not have a readily determinable fair value because its ownership is restricted and it lacks a market (liquidity).

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Carrying amount as of the balance sheet date of loans that have been pledged as collateral for borrowings. If the secured party has the right by contract or custom to sell or re-pledge the collateral, then the debtor reclassifies that asset and report that asset in its statement of financial position separately from other assets not so encumbered.

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The balance represents the amount of loans that are secured by real estate mortgages, offset by the reserve to cover probable credit losses on the loan portfolio.

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The carrying amount as of the date of the latest financial statement presented of securities which are owned but transferred to serve as collateral for FHLB debt obligations, and for which the transferee does not have the right by contract or custom to sell or re-pledge them to an unrelated party.

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