Note 9 - Income Taxes - Difference Between Financial Statement Tax Expense and Amount Computer by Applying Statutory Federal Tax Rate to Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
Dec. 31, 2019	Dec. 31, 2018
Tax at federal income tax rate	$ 2,648	$ 3,133
Tax-exempt interest	(130)	(57)
Income in cash value of bank owned life insurance	(113)	(97)
Nondeductible merger expenses	39	9
Other	(46)	12
Provision for income taxes	$ 2,398	$ 3,000

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Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

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The amount of income tax expense or benefit for the period computed by applying the domestic federal statutory tax rates to pretax income from continuing operations.

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Amount of the difference between reported income tax expense (benefit) and expected income tax expense (benefit) computed by applying the domestic federal statutory income tax rates to pretax income (loss) from continuing operations attributable to tax exempt income, equity in earnings (loss) of an unconsolidated subsidiary, minority noncontrolling interest income (loss), tax holiday, disposition of a business, disposition of an asset, repatriation of foreign earnings, repatriation of foreign earnings jobs creation act of 2004, increase (decrease) in enacted tax rate, prior year income taxes, increase (decrease) in deferred tax asset valuation allowance, and other adjustments.

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