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Income Taxes (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016
Current tax expense |  |
Federal | $ 1,962,000 | $ 2,503,000
State | 428,000 | 531,000
Deferred tax expense (benefit) related to: |  |
Provision for loan losses | (355,000) | (320,000)
Depreciation | 374,000 | 203,000
Fair value adjustments | 1,611,000 | 356,000
Nonaccrual interest | (26,000) | (26,000)
Foreclosed real estate | 55,000 | 117,000
Core deposit intangible | (123,000) | (117,000)
Other | 63,000 | 115,000
Change in tax rate | 2,440,000 | 0
Total income tax expense | $ 6,428,791 | $ 3,362,080

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