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Note 10 - Segment Reporting | 9 Months Ended
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Sep. 30, 2025
Notes to Financial Statements |
Segment Reporting Disclosure [Text Block] | NOTE 10 - SEGMENT REPORTING The Company has one business segment: Bank Segment. The Bank Segment provides customers with a broad range of banking services, including various deposit and lending products to consumer and commercial customers. The Company’s chief operating decision maker (CODM) is the Chief Executive Officer. The following table shows selected financial data for the Bank Segment for the three and nine months ended September 30, 2025, and 2024. The accounting policies of the segment are the same as those followed by the Company. The information is derived from the internal financial reporting records that are used to monitor and manage the Company's financial performance. The segment expense categories are based on the information regularly provided to the CODM and are considered significant to the segment’s operations. The Bank Segment excludes the income, expenses, and total assets of the parent company, Middlefield Banc Corp, and the parent company’s nonbank asset resolution subsidiary, EMORECO, Inc., which are shown as reconciling items in the following table. There is no authoritative guidance for management accounting equivalent to GAAP, and therefore, the financial results of our business segment are not necessarily comparable with similar information presented by other companies.
|  | For the Three Months Ended September 30, |
|  | 2025 |  |  | 2024 |
|  |  |  |  |  | Reconciling |  |  |  |  |  |  |  |  |  |  | Reconciling |  |  |  |  |
(Dollar amounts in thousands) |  | Bank |  |  | Items |  |  | Total |  |  | Bank |  |  | Items |  |  | Total |
Net interest income |  | $ | 17,693 |  |  | $ | (128 | ) |  | $ | 17,565 |  |  | $ | 15,218 |  |  | $ | (145 | ) |  | $ | 15,073 |
Noninterest income |  |  | 2,310 |  |  |  | 14 |  |  |  | 2,324 |  |  |  | 1,719 |  |  |  | 24 |  |  |  | 1,743 |
Total revenue |  |  | 20,003 |  |  |  | (114 | ) |  |  | 19,889 |  |  |  | 16,937 |  |  |  | (121 | ) |  |  | 16,816 |
Provision for (recovery of) credit losses |  |  | 392 |  |  |  | - |  |  |  | 392 |  |  |  | 2,234 |  |  |  | - |  |  |  | 2,234 |
Salaries and employee benefits |  |  | 6,228 |  |  |  | 655 |  |  |  | 6,883 |  |  |  | 5,899 |  |  |  | 302 |  |  |  | 6,201 |
Occupancy expenses |  |  | 604 |  |  |  | - |  |  |  | 604 |  |  |  | 627 |  |  |  | - |  |  |  | 627 |
Data processing costs |  |  | 1,240 |  |  |  | - |  |  |  | 1,240 |  |  |  | 1,248 |  |  |  | - |  |  |  | 1,248 |
Other noninterest expense (1) |  |  | 3,765 |  |  |  | 606 |  |  |  | 4,371 |  |  |  | 3,142 |  |  |  | 653 |  |  |  | 3,795 |
Income tax provision (benefit) |  |  | 1,367 |  |  |  | (288 | ) |  |  | 1,079 |  |  |  | 597 |  |  |  | (226 | ) |  |  | 371 |
Net income (loss) |  | $ | 6,407 |  |  | $ | (1,087 | ) |  | $ | 5,320 |  |  | $ | 3,190 |  |  | $ | (850 | ) |  | $ | 2,340 |
Total assets |  | $ | 1,975,480 |  |  | $ | 3,413 |  |  | $ | 1,978,893 |  |  | $ | 1,855,461 |  |  | $ | 2,174 |  |  | $ | 1,857,635 |
|  | For the Nine Months Ended September 30, |
|  | 2025 |  |  | 2024 |
|  |  |  |  |  | Reconciling |  |  |  |  |  |  |  |  |  |  | Reconciling |  |  |  |  |
(Dollar amounts in thousands) |  | Bank |  |  | Items |  |  | Total |  |  | Bank |  |  | Items |  |  | Total |
Net interest income |  | $ | 51,456 |  |  | $ | (356 | ) |  | $ | 51,100 |  |  | $ | 45,573 |  |  | $ | (448 | ) |  | $ | 45,125 |
Noninterest income |  |  | 7,356 |  |  |  | (10 | ) |  |  | 7,346 |  |  |  | 5,332 |  |  |  | (33 | ) |  |  | 5,299 |
Total revenue |  |  | 58,812 |  |  |  | (366 | ) |  |  | 58,446 |  |  |  | 50,905 |  |  |  | (481 | ) |  |  | 50,424 |
Provision for (recovery of) credit losses |  |  | (19 | ) |  |  | - |  |  |  | (19 | ) |  |  | 2,185 |  |  |  | - |  |  |  | 2,185 |
Salaries and employee benefits |  |  | 18,524 |  |  |  | 1,641 |  |  |  | 20,165 |  |  |  | 17,893 |  |  |  | 752 |  |  |  | 18,645 |
Occupancy expenses |  |  | 1,958 |  |  |  | - |  |  |  | 1,958 |  |  |  | 1,780 |  |  |  | - |  |  |  | 1,780 |
Data processing costs |  |  | 3,784 |  |  |  | - |  |  |  | 3,784 |  |  |  | 3,665 |  |  |  | - |  |  |  | 3,665 |
Other noninterest expense (1) |  |  | 11,209 |  |  |  | 1,826 |  |  |  | 13,035 |  |  |  | 9,532 |  |  |  | 2,116 |  |  |  | 11,648 |
Income tax provision (benefit) |  |  | 4,021 |  |  |  | (805 | ) |  |  | 3,216 |  |  |  | 2,533 |  |  |  | (703 | ) |  |  | 1,830 |
Net income (loss) |  | $ | 19,335 |  |  | $ | (3,028 | ) |  | $ | 16,307 |  |  |  | 13,317 |  |  | $ | (2,646 | ) |  | $ | 10,671 |
Total assets |  | $ | 1,975,480 |  |  | $ | 3,413 |  |  | $ | 1,978,893 |  |  | $ | 1,855,461 |  |  | $ | 2,174 |  |  | $ | 1,857,635 |
(1) |  | Includes expenses that are in the reported measure of net income but not specifically provided to the CODM. Other noninterest expense is composed of expenses such as equipment expense, Ohio state franchise tax, professional fees, advertising expense, and other expenses.
The CODM utilizes net income as the primary measure to allocate resources during the annual budget process. This measure is used by CODM to evaluate the performance of the business segment, with a focus on net interest income, provision for credit losses, noninterest income, and noninterest expense. Net income is compared to both budgeted and comparative historical amounts on a monthly basis. Drivers of any significant variations from budget are assessed. The measure of segment assets is reported as total assets.

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- Definition The entire disclosure for reporting segments including data and tables. 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