v3.25.2
Cover
Jul. 01, 2025
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jul. 01, 2025
Entity File Number 001-42447
Entity Registrant Name OPTIMUMBANK HOLDINGS, INC.
Entity Central Index Key 0001288855
Entity Tax Identification Number 55-0865043
Entity Incorporation, State or Country Code FL
Entity Address, Address Line One 2929 East Commercial Boulevard
Entity Address, City or Town Ft. Lauderdale
Entity Address, State or Province FL
Entity Address, Postal Zip Code 33308
City Area Code (954)
Local Phone Number 776-2332
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock
Trading Symbol OPHC
Security Exchange Name NYSEAMER
Entity Emerging Growth Company false