Note 9 - Federal Home Loan Bank Borrowings (Detail) (USD $)	Dec. 31, 2012	Dec. 31, 2011
Advances from Federal Home Loan Banks	$ 22,000,000	$ 19,000,000
Real Estate Loans [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	46,200,000
Investment Securities [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	7,400,000
Federal Home Loan Bank Stock [Member]
Federal Home Loan Bank, Advances, General Debt Obligations, Disclosures, Collateral Pledged	1,500,000
Convertible Debt [Member]
Advances from Federal Home Loan Banks	4,000,000
Fixed Rate Advance 2 [Member]
Advances from Federal Home Loan Banks	3,000,000
Fixed Rate Advance [Member]
Advances from Federal Home Loan Banks	12,000,000
Variable Rate Advance [Member]
Advances from Federal Home Loan Banks	$ 3,000,000

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.

+ References+ Details

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

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 5: http://www.xbrl.org/2003/role/presentationRef

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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.

Reference 6: http://www.xbrl.org/2003/role/presentationRef

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+ Details