Document And Entity Information - USD ($)	12 Months Ended
	Dec. 31, 2021	Mar. 09, 2022	Jun. 30, 2021
Document Information [Line Items]
Entity Central Index Key	0000832489
Entity Registrant Name	GeoVax Labs, Inc.
Amendment Flag	false
Current Fiscal Year End Date	--12-31
Document Fiscal Period Focus	FY
Document Fiscal Year Focus	2021
Document Type	10-K
Document Annual Report	true
Document Period End Date	Dec. 31, 2021
Document Transition Report	false
Entity File Number	001-39563
Entity Incorporation, State or Country Code	DE
Entity Address, Address Line One	1900 Lake Park Drive, Suite 380
Entity Address, City or Town	Smyrna
Entity Address, State or Province	GA
Entity Tax Identification Number	87-0455038
Entity Address, Postal Zip Code	30080
City Area Code	678
Local Phone Number	384-7220
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			$ 30,365,310
Entity Common Stock, Shares Outstanding		7,089,025
Auditor Name	WIPFLI LLP
Auditor Location	Atlanta, Georgia
Auditor Firm ID	344
ICFR Auditor Attestation Flag	false
Warrant [Member]
Document Information [Line Items]
Title of 12(b) Security	Warrants to Purchase Common Stock
Trading Symbol	GOVXW
Security Exchange Name	NASDAQ
Common Stock [Member]
Document Information [Line Items]
Title of 12(b) Security	Common Stock $0.001 par value
Trading Symbol	GOVX
Security Exchange Name	NASDAQ