v3.26.3
Cover
Oct. 15, 2026
Entity Addresses [Line Items]  
Document Type 8-K
Amendment Flag false
Document Period End Date Oct. 15, 2026
Entity File Number 001-37619
Entity Registrant Name Edesa Biotech, Inc.
Entity Central Index Key 0001540159
Entity Incorporation, State or Country Code A1
Entity Address, Address Line One 333 Bay Street
Entity Address, City or Town Toronto
Entity Address, State or Province ON
Entity Address, Country CA
Entity Address, Postal Zip Code M5H 2T6
City Area Code (289)
Local Phone Number 800-9600
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Shares
Trading Symbol EDSA
Security Exchange Name NASDAQ
Entity Emerging Growth Company false
Former Address [Member]  
Entity Addresses [Line Items]  
Entity Address, Address Line One 100 Spy Court
Entity Address, City or Town Markham
Entity Address, State or Province ON
Entity Address, Country CA
Entity Address, Postal Zip Code L3R 5H6