Document and Entity Information
Document and Entity Information | May 11, 2022 |
Cover [Abstract] | |
Entity Registrant Name | MIDDLEFIELD BANC CORP |
Amendment Flag | true |
Entity Central Index Key | 0000836147 |
Document Type | 8-K/A |
Document Period End Date | May 11, 2022 |
Entity Incorporation State Country Code | OH |
Entity File Number | 001-36613 |
Entity Tax Identification Number | 34-1585111 |
Entity Address, Address Line One | 15985 East High Street |
Entity Address, City or Town | Middlefield |
Entity Address, State or Province | OH |
Entity Address, Postal Zip Code | 44062 |
City Area Code | 440 |
Local Phone Number | 632-1666 |
Written Communications | false |
Soliciting Material | false |
Pre Commencement Tender Offer | false |
Pre Commencement Issuer Tender Offer | false |
Security 12b Title | Common Stock, no par value |
Trading Symbol | MBCN |
Security Exchange Name | NASDAQ |
Entity Emerging Growth Company | false |
Amendment Description | The Company is filing this Form 8-K/A for the sole purpose of correcting an error contained in the signature block of the filing. The correct title of Mr. James Heslop, II, is President and Chief Executive Officer. |