Cover - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Feb. 21, 2025	Jun. 28, 2024
Cover [Abstract]
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2024
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2024
Current Fiscal Year End Date	--12-31
Entity File Number	001-15911
Entity Registrant Name	IMUNON, INC.
Entity Central Index Key	0000749647
Entity Tax Identification Number	52-1256615
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	997 LENOX DRIVE
Entity Address, Address Line Two	SUITE 100
Entity Address, City or Town	LAWRENCEVILLE
Entity Address, State or Province	NJ
Entity Address, Postal Zip Code	08648
City Area Code	(609)
Local Phone Number	896-9100
Title of 12(b) Security	Common Stock, Par Value $0.01 Per Share
Trading Symbol	IMNN
Security Exchange Name	NASDAQ
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			$ 10.8
Entity Common Stock, Shares Outstanding		14,620,732
Documents Incorporated by Reference [Text Block]	None
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Auditor Opinion [Text Block]	We have audited the accompanying consolidated balance sheets of Imunon Inc. as of December 31, 2024 and 2023, and the related consolidated statements of operations, comprehensive loss, changes in stockholders’ equity, and cash flows for each of the two years in the period ended December 31, 2024, and the related notes (collectively referred to as the “financial statements”). In our opinion, the consolidated financial statements present fairly, in all material respects, the financial position of Imunon Inc. as of December 31, 2024 and 2023, and the results of its operations and its cash flows for each of the two years in the period ended December 31, 2024, in conformity with accounting principles generally accepted in the United States of America.
Auditor Name	WithumSmith+Brown, PC
Auditor Location	East Brunswick, New Jersey
Auditor Firm ID	100