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Note 11 - Income Taxes - Net Deferred Tax Assets (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Allowance for loan losses | $ 1,572 | $ 1,036
Post-retirement benefits | 101 | 46
Core deposit intangible | 381 | 391
Unvested stock-based compensation | 31 | 18
Limited partnership investments | 8 | 13
Lease liability | 72 | 67
Loan origination fees, net | 328 | 71
Total deferred tax assets | 2,493 | 1,642
Depreciation | 663 | 741
Right of use asset | 73 | 68
Unrealized gains on securities available for sale | 813 | 192
Cash flow hedges | 91 | 0
Total deferred tax liabilities | 1,640 | 1,001
Net deferred tax assets | $ 853 | $ 641

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