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Note 2 - Revenue Recognition - Disaggregation of Revenue (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2022 | Dec. 31, 2021
Gain on equity securities | [1] | $ (173,000) | $ 209,000
Gain on other real estate owned |  | (0) | 43,000
Earnings on bank-owned life insurance | [1] | 459,000 | 546,000
Gain on sale of loans | [1] | 24,000 | 1,240,000
Revenue from investment services | [2] | 674,000 | 727,000
Miscellaneous Fee income |  | 299,000 | 276,000
Gross rental income |  | 951,000 | 180,000
Other income |  | 662,000 | 603,000
Total noninterest income |  | 6,746,000 | 7,249,000
Overdraft Fees [Member] |  |  |
Noninterest income revenue |  | 905,000 | 727,000
ATM Banking Fees [Member] |  |  |
Noninterest income revenue |  | 1,489,000 | 1,377,000
Service Charge and Other Fees [Member] |  |  |
Noninterest income revenue |  | $ 1,456,000 | $ 1,321,000
[1] | Not within scope of ASC 606
[2] | From services offered by the Company through it's servicing partnership with LPL Financial

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