Cover - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2022	Mar. 03, 2023	Jun. 30, 2022
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2022
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2022
Current Fiscal Year End Date	--12-31
Entity File Number	001-38022
Entity Registrant Name	MATINAS BIOPHARMA HOLDINGS, INC.
Entity Central Index Key	0001582554
Entity Tax Identification Number	46-3011414
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	1545 Route 206 South
Entity Address, Address Line Two	Suite 302
Entity Address, City or Town	Bedminster
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	07921
City Area Code	908
Local Phone Number	484-8805
Title of 12(b) Security	Common Stock, par value $0.0001
Trading Symbol	MTNB
Security Exchange Name	NYSE
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Non-accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 164.8
Entity Common Stock, Shares Outstanding		217,264,526
Documents Incorporated by Reference [Text Block]	None
ICFR Auditor Attestation Flag	false
Auditor Firm ID	274
Auditor Name	EISNERAMPER LLP
Auditor Location	Iselin, New Jersey