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Schedule of Deferred Tax Assets and Liabilities (Details) - USD ($) $ in Thousands | Dec. 31, 2020 | Dec. 31, 2019
--- | --- | ---
Income Tax Disclosure [Abstract] |  |
Loans, including allowance for loan losses | $ 2,040 | $ 1,590
Net operating loss carry forwards | 273 | 326
State taxes | 614 | 414
Net deferred loan fees | 432 | 11
Acquisition costs | 161 | 182
Deferred compensation arrangements | 66 | 69
Investments | 54 | 45
Other, net | 158 | 39
Total deferred tax assets | 3,798 | 2,676
Less valuation allowance | (273) | (326)
Total deferred tax assets, net of valuation allowance | 3,525 | 2,350
Unrealized gain on investment securities available-for-sale | 3,065 | 1,700
Premises and equipment, net of depreciation | 500 | 361
Mortgage servicing rights | 777 | 492
Prepaid expenses | 302 | 157
Intangible assets | 278 | 181
FHLB stock dividends | 12 | 6
Total deferred tax liabilities | 4,934 | 2,897
Net deferred tax liability | $ (1,409) | $ (547)

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