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Note 9 - Federal Income Taxes - Significant Components of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Allowance for credit losses | $ 11,435 | $ 10,482
Deferred compensation | 269 | 226
Stock compensation | 1,011 | 1,005
Nonaccrual loan interest income | 192 | 132
Unrealized loss on securities | 13,245 | 13,420
Lease liability | 928 | 775
Other | 567 | 779
Deferred tax asset | 27,647 | 26,819
Depreciation | 259 | 337
Prepaid expenses | 685 | 612
Mortgage loan servicing rights | 2,620 | 2,382
Deferred loan fees and costs | 471 | 509
Right of use lease asset | 928 | 775
Business combination adjustments | 1,626 | 1,770
Other | 849 | 447
Deferred tax liability | 7,438 | 6,832
Total net deferred tax asset | $ 20,209 | $ 19,987

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