Document and Entity Information
Mar. 04, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Mar. 04, 2022
Entity Registrant Name EARGO, INC.
Entity Incorporation, State or Country Code DE
Entity File Number 001-39616
Entity Tax Identification Number 27-3879804
Entity Address, Address Line One 2665 North First Street
Entity Address, Address Line Two Suite 300
Entity Address, City or Town San Jose
Entity Address, State or Province CA
Entity Address, Postal Zip Code 95134
City Area Code 650
Local Phone Number 351-7700
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company false
Entity Central Index Key 0001719395
Title of 12(b) Security Common Stock, $0.0001 par value per share
Trading Symbol EAR
Security Exchange Name NASDAQ