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Note 11 - Income Taxes - Reconciliation of Effective Income Tax Rate (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 | Dec. 31, 2020 | Dec. 31, 2019
Current federal income tax expense | $ 3,532 | $ 3,070 | $ 984
Deferred federal income tax expense/(benefit) | 924 | 202 | 310
Income tax expense | 4,456 | 3,272 | 1,294
Income tax computed at statutory federal rate of 21% | 5,565 | 3,966 | 1,778
Tax exempt interest income | (1,190) | (574) | (320)
Tax exempt earnings on bank-owned life insurance | (170) | (162) | (162)
Tax credits | (284) | (240) | (218)
Nondeductible merger expenses | 0 | 182 | 164
Disallowed interest expense | 74 | 64 | 13
Other items | $ 461 | $ 36 | $ 39
Effective income tax rate | 17.00% | 17.00% | 15.00%

X
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- Definition 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 disallowed interest expense. + References No definition available. + Details
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