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Note 3 - Investment Securities Available For Sale (Details) (USD $)	12 Months Ended			12 Months Ended					12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013 Private Label Collateralized Mortgage Obligations [Member]	Dec. 31, 2013 Mortgage-backed Securities, Issued by Private Enterprises [Member]	Dec. 31, 2012 Mortgage-backed Securities, Issued by Private Enterprises [Member]	Dec. 31, 2011 Equity Securities in Financial Institutions [Member]	Dec. 31, 2013 Equity Securities in Financial Institutions [Member]	Dec. 31, 2012 Equity Securities in Financial Institutions [Member]	Dec. 31, 2011 Collateralized Mortgage Obligations [Member]
Note 3 - Investment Securities Available For Sale (Details) [Line Items]
Available-for-sale Securities Pledged as Collateral	$ 66,300,000	$ 625,000,000
Available-for-sale, Securities in Unrealized Loss Positions, Qualitative Disclosure, Number of Positions	98
Percentage of Portfolio	97.20%
Available-for-sale Securities, Current	157,143,000	194,472,000	3,400,000	3,693,000	5,064,000		750,000	750,000
Available-for-sale Securities, Gross Unrealized Gain	2,605,000	8,427,000		327,000	511,000
Other than Temporary Impairment Losses, Investments, Portion Recognized in Earnings, Net, Available-for-sale Securities						194,000			35,000
Available-for-sale Securities, Debt Securities									$ 899,000

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Amount of investment in debt and equity securities categorized neither as trading securities nor held-to-maturity securities and intended be sold or mature one year or operating cycle, if longer.

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Amount of debt securities categorized neither as held-to-maturity nor trading.

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Amount of unrealized gain before deducting unrealized loss on investments in debt and equity securities classified as available-for-sale securities.

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Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

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The fair value of available-for-sale securities that serve as collateral for borrowings.

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The amount of other than temporary impairment losses on investments in debt and equity securities categorized as Available-for-sale which have been recognized in earnings during the period. Such impairment losses consist of other than temporary impairments (OTTI) on equity securities, credit losses on investments in debt securities, and when the entity intends to sell an impaired debt security or it is more likely than not that the entity will be required to sell the impaired debt security before recovery of its amortized cost basis.

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