XML 11 R1.htm IDEA: XBRL DOCUMENT v3.23.3
Cover - shares
 9 Months Ended
Sep. 30, 2023
Nov. 14, 2023
Cover [Abstract]    
Document Type 10-Q  
Amendment Flag false  
Document Quarterly Report true  
Document Transition Report false  
Document Period End Date Sep. 30, 2023  
Document Fiscal Period Focus Q3  
Document Fiscal Year Focus 2023  
Current Fiscal Year End Date --12-31  
Entity File Number 001-41751  
Entity Registrant Name MDB CAPITAL HOLDINGS, LLC  
Entity Central Index Key 0001934642  
Entity Tax Identification Number 87-4366624  
Entity Incorporation, State or Country Code DE  
Entity Address, Address Line One 14135 Midway Road  
Entity Address, Address Line Two Suite G-150  
Entity Address, City or Town Addison  
Entity Address, State or Province TX  
Entity Address, Postal Zip Code 75001  
City Area Code 310  
Local Phone Number 526-5000  
Title of 12(b) Security Class A Common Shares, representing Limited Liability Interests  
Trading Symbol MDBH  
Security Exchange Name NASDAQ  
Entity Current Reporting Status Yes  
Entity Interactive Data Current Yes  
Entity Filer Category Non-accelerated Filer  
Entity Small Business true  
Entity Emerging Growth Company true  
Elected Not To Use the Extended Transition Period true  
Entity Shell Company false  
Entity Common Stock, Shares Outstanding   4,295,632