Note 12 - Federal Home Loan Bank Advances (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate, Range from	0.41%	1.28%
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Interest Rate, Range to	7.30%	7.30%
Federal Home Loan Bank, Advances, Branch of FHLB Bank, Weighted Average Interest Rate	2.39%	3.41%
Advances from Federal Home Loan Banks (in Dollars)	$ 22,493,000	$ 19,457,000
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged (in Dollars)	177,700,000	183,700,000
Converted Fixed to Variable [Member]
Advances from Federal Home Loan Banks (in Dollars)	3,500,000
Federal Home Loan Bank Stock [Member]
Debt Instrument, Unused Borrowing Capacity, Amount (in Dollars)	$ 84,400,000

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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Describes the weighted average interest rate applicable to the specific advances from the Federal Home Loan Bank, by branch, as of the Balance Sheet date.

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- Definition

Amount of the collateral pledged in support of federal home loan bank advances outstanding.

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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+ Details