v3.26.1
Cover
Jun. 04, 2026
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Jun. 04, 2026
Entity File Number 000-56671
Entity Registrant Name EBR SYSTEMS, INC.
Entity Central Index Key 0001347123
Entity Tax Identification Number 51-1164669
Entity Incorporation, State or Country Code DE
Entity Address, Address Line One 480 Oakmead Parkway
Entity Address, City or Town Sunnyvale
Entity Address, State or Province CA
Entity Address, Postal Zip Code 94085
City Area Code (408)
Local Phone Number 720-1906
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Entity Emerging Growth Company true
Elected Not To Use the Extended Transition Period false
Entity Information, Former Legal or Registered Name Not Applicable