Note 5 - Concentration of Credit Risk	9 Months Ended
Note 5 - Concentration of Credit Risk	Sep. 30, 2014
Risks and Uncertainties [Abstract]
Concentration Risk Disclosure [Text Block]	Note 5: Concentration of Credit Risk The Company’s business activity is with customers in Northern and Central California. The loan portfolio is well diversified within the Company’s geographic market, although the Company has significant credit arrangements that are secured by real estate collateral. In addition to real estate loans outstanding as disclosed in Note 4, the Company had loan commitments and standby letters of credit related to real estate loans of $65,965 thousand and $62,277 thousand at September 30, 2014 and December 31, 2013, respectively. The Company requires collateral on all real estate loans with loan-to-value ratios at origination generally no greater than 75% on commercial real estate loans and no greater than 80% on residential real estate loans.

The entire disclosure for any concentrations existing at the date of the financial statements that make an entity vulnerable to a reasonably possible, near-term, severe impact. This disclosure informs financial statement users about the general nature of the risk associated with the concentration, and may indicate the percentage of concentration risk as of the balance sheet date.

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