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Note 9 - Federal Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2023 | Dec. 31, 2022
--- | --- | ---
Allowance for credit losses | $ 10,482 | $ 8,872
Deferred compensation | 226 | 232
Stock compensation | 1,005 | 1,018
Nonaccrual loan interest income | 132 | 136
Unrealized loss on securities | 13,420 | 17,369
Lease liability | 775 | 810
Other | 779 | 494
Deferred tax asset | 26,819 | 28,931
Depreciation | 337 | 697
Prepaid expenses | 612 | 504
Core deposit intangible | 0 | 120
Mortgage loan servicing rights | 2,382 | 2,486
Deferred loan fees and costs | 509 | 211
Right of use lease asset | 775 | 810
Business combination adjustments | 1,770 | 1,877
Other | 447 | 326
Deferred tax liability | 6,832 | 7,031
Total net deferred tax asset | $ 19,987 | $ 21,900

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