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Schedule of Basic and Fully Diluted (Details) - USD ($)
 3 Months Ended
Mar. 31, 2024
Mar. 31, 2023
Common Class A [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Net loss attributable to MDB Capital Holdings, LLC $ (3,334,431) $ (645,700)
Weighted average shares outstanding - basic 4,295,632 2,628,966
Weighted average shares outstanding - diluted 4,295,632 2,628,966
Net loss per share - basic $ (0.78) $ (0.25)
Net loss per share - diluted $ (0.78) $ (0.25)
Common Class B [Member]    
Earnings Per Share, Basic, by Common Class, Including Two Class Method [Line Items]    
Net loss attributable to MDB Capital Holdings, LLC $ (3,881,084) $ (1,228,048)
Weighted average shares outstanding - basic 5,000,000 5,000,000
Weighted average shares outstanding - diluted 5,000,000 5,000,000
Net loss per share - basic $ (0.78) $ (0.25)
Net loss per share - diluted $ (0.78) $ (0.25)