v3.26.3
Cover Page
 6 Months Ended
Jun. 30, 2026
Document Information [Line Items]  
Document Type S-4
Amendment Flag false
Entity Registrant Name ENDRA LIFE SCIENCES INC.
Entity Central Index Key 0001681682
Entity Incorporation, State or Country Code DE
Entity Primary SIC Number 3845
Entity Tax Identification Number 26-0579295
Entity Address, Address Line One 3600 Green Court
Entity Address, Address Line Two Suite 350
Entity Address, City or Town Ann Arbor
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48105
City Area Code (734)
Local Phone Number 335-0468
Entity Filer Category Non-accelerated Filer
Entity Small Business true
Entity Emerging Growth Company false
Business Contact [Member]  
Document Information [Line Items]  
Entity Address, Address Line One 3600 Green Court
Entity Address, Address Line Two Suite 350
Entity Address, City or Town Ann Arbor
Entity Address, State or Province MI
Entity Address, Postal Zip Code 48105
City Area Code (734)
Local Phone Number 335-0468
Contact Personnel Name Alexander Tokman