| 2017 | 2016 | |||||||
| Current income taxes | $ | 513 | $ | 421 | ||||
| Deferred income tax expense (benefit) | 128 | (142 | ) | |||||
| $ | 641 | $ | 279 | |||||
| 2017 | 2016 | |||||||
| Deferred tax assets: | ||||||||
| Allowance for loan losses | $ | 919 | $ | 1,082 | ||||
| Deferred compensation | 771 | 721 | ||||||
| Recognized loss on impairment of security | 265 | 265 | ||||||
| AMT credit carryforward | 220 | 143 | ||||||
| Deferred income | 119 | 140 | ||||||
| Other real estate owned deferred gain | 12 | 13 | ||||||
| Other real estate owned write down | 10 | — | ||||||
| Non-accrual loan interest income | 58 | 72 | ||||||
| Gross deferred tax asset | 2,374 | 2,436 | ||||||
| Deferred tax liabilities: | ||||||||
| Depreciation | (788 | ) | (761 | ) | ||||
| Loan fees | (320 | ) | (279 | ) | ||||
| Prepaid expenses | (89 | ) | (91 | ) | ||||
| FHLB stock dividends | (166 | ) | (166 | ) | ||||
| Net unrealized securities gain | (229 | ) | (1,231 | ) | ||||
| Gross deferred tax liabilities | (1,592 | ) | (2,528 | ) | ||||
| Net deferred asset (liability) | $ | 782 | $ | (92 | ) | |||
| 2017 | 2016 | |||||||
| Income taxes computed at the statutory rate on pretax income | $ | 1,236 | $ | 825 | ||||
| Tax exempt income | (498 | ) | (491 | ) | ||||
| Cash surrender value income | (83 | ) | (65 | ) | ||||
| Tax credit | (25 | ) | — | |||||
| Other | 11 | 10 | ||||||
| $ | 641 | $ | 279 | |||||