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Cover
Aug. 23, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Aug. 23, 2022
Entity File Number 000-50755
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 Fort 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, $.01 Par Value
Trading Symbol OPHC
Security Exchange Name NASDAQ
Entity Emerging Growth Company false