Document And Entity Information - shares	9 Months Ended
	Sep. 30, 2023	Nov. 09, 2023
Document Information [Line Items]
Document Type	10-Q
Document Quarterly Report	true
Document Period End Date	Sep. 30, 2023
Document Transition Report	false
Entity File Number	001-37942
Entity Registrant Name	CervoMed Inc.
Entity Incorporation, State or Country Code	DE
Entity Tax Identification Number	30-0645032
Entity Address, Address Line One	20 Park Plaza, Suite 424
Entity Address, City or Town	Boston
Entity Address, State or Province	MA
Entity Address, Postal Zip Code	02216
City Area Code	617
Local Phone Number	744-4400
Title of 12(b) Security	Common Stock, par value $0.001 per share
Trading Symbol	CRVO
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 Common Stock, Shares Outstanding (in shares)		5,674,520
Entity Central Index Key	0001053691
Current Fiscal Year End Date	--12-31
Document Fiscal Year Focus	2023
Document Fiscal Period Focus	Q3
Amendment Flag	false