Cover - USD ($)	12 Months Ended
	Dec. 31, 2023	Mar. 08, 2024	Jun. 30, 2023
Document Type	10-K
Amendment Flag	false
Document Annual Report	true
Document Transition Report	false
Document Period End Date	Dec. 31, 2023
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2023
Current Fiscal Year End Date	--12-31
Entity File Number	001-39785
Entity Registrant Name	LIFEMD, INC.
Entity Central Index Key	0000948320
Entity Tax Identification Number	76-0238453
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	236 Fifth Avenue
Entity Address, Address Line Two	Suite 400
Entity Address, City or Town	New York
Entity Address, State or Province	NY
Entity Address, Postal Zip Code	10001
City Area Code	(866)
Local Phone Number	351-5907
Entity Well-known Seasoned Issuer	No
Entity Voluntary Filers	No
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Filer Category	Accelerated Filer
Entity Small Business	true
Entity Emerging Growth Company	false
Entity Shell Company	false
Entity Public Float			$ 111,775,534
Entity Common Stock, Shares Outstanding		40,366,047
Documents Incorporated By Reference	Portions of the 2024 definitive proxy statement for the Registrant’s Annual Meeting of Stockholders, to be filed within 120 days of our fiscal year end (December 31, 2023) are incorporated by reference into Part III of this Form 10-K
ICFR Auditor Attestation Flag	true
Document Financial Statement Error Correction [Flag]	false
Auditor Firm ID	688
Auditor Location	Marcum
Auditor Location	Marlton, New Jersey
Common Stock, per share
Title of 12(b) Security	Common Stock, par value $.01 per share
Trading Symbol	LFMD
Security Exchange Name	NASDAQ
8.875% Series A Cumulative Perpetual Preferred Stock, par value
Title of 12(b) Security	8.875% Series A Cumulative Perpetual Preferred Stock, par value $0.0001 per share
Trading Symbol	LFMDP
Security Exchange Name	NASDAQ