Note 10 - Income Taxes (Detail) - A Reconciliation of Income Tax Expense	12 Months Ended
Dec. 31, 2012	Dec. 31, 2011	Dec. 31, 2010
Computed at statutory rate	34.00%	34.00%	34.00%
Increase (reduction) in taxes resulting from:
State financial institution tax and credits	(33.10%)	(17.80%)	(83.70%)
ESOP	(3.30%)	(5.60%)	(4.40%)
Cash surrender value of life insurance	(7.90%)	(7.10%)	(8.00%)
Valuation allowance	(3.50%)	5.10%	64.30%
Other	6.60%	6.90%	(7.50%)
Actual tax provision (credit)	(7.20%)	15.50%	(5.30%)

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A ratio calculated by dividing the reported amount of income tax expense attributable to continuing operations for the period by GAAP-basis pretax income from continuing operations.

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The domestic federal statutory tax rate applicable under enacted tax laws to the Company's pretax income from continuing operations for the period. The "statutory" tax rate is the regular tax rate if there are alternative tax systems.

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

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

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-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009.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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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to changes in the valuation allowance for deferred tax assets.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to nondeductible life insurance premiums under enacted tax laws.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to differences in the deductibility or nondeductibility of incentive stock options and other equity-based compensation costs in accordance with generally accepted accounting principles and enacted tax laws.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate attributable to all other items not otherwise listed in the existing taxonomy.

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The portion of the difference between the effective income tax rate and domestic federal statutory income tax rate that can be explained by the state and local income tax expense or benefit, net of the federal tax benefit (expense) thereon, recorded during the period.

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