Cover - USD ($) $ in Millions	12 Months Ended
	Dec. 31, 2024	Mar. 28, 2025	Jun. 30, 2024
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	000-15327
Entity Registrant Name	LadRx Corporation
Entity Central Index Key	0000799698
Entity Tax Identification Number	58-1642740
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	11726 San Vicente Blvd
Entity Address, Address Line Two	Suite 650
Entity Address, City or Town	Los Angeles
Entity Address, State or Province	CA
Entity Address, Postal Zip Code	90049
City Area Code	(310)
Local Phone Number	826-5648
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			$ 1.3
Entity Common Stock, Shares Outstanding		495,092
ICFR Auditor Attestation Flag	false
Document Financial Statement Error Correction [Flag]	false
Auditor Firm ID	572
Auditor Opinion [Text Block]	We have audited the accompanying balance sheets of LadRx Corporation (the “Company”) and subsidiary as of December 31, 2024 and 2023, the related statements of operations, stockholders’ equity (deficit), and cash flows for the years then ended, and the related notes (collectively referred to as the “financial statements”). In our opinion, the financial statements present fairly, in all material respects, the financial position of the Company and its subsidiary as of December 31, 2024 and 2023, and the results of its operations and its cash flows for the years then ended, in conformity with accounting principles generally accepted in the United States of America.
Auditor Name	Weinberg & Company, P.A.
Auditor Location	Los Angeles, California
Common Stock, $0.001 Par Value Per Share [Member]
Title of 12(b) Security	Common Stock, $0.001 par value per share
Trading Symbol	LADX
Series B Junior Participating Preferred Stock Purchase Rights [Member]
Title of 12(b) Security	Series B Junior Participating Preferred Stock Purchase Rights