v3.26.3
Document And Entity Information
 12 Months Ended
Jun. 30, 2026
shares
Document Information [Line Items]  
Entity Central Index Key 0001660046
Document Type 20-F
Document Registration Statement false
Document Annual Report true
Current Fiscal Year End Date --06-30
Document Period End Date Jun. 30, 2026
Document Fiscal Year Focus 2026
Document Transition Report false
Document Shell Company Report false
Entity File Number 001-38104
Entity Registrant Name IMMURON LIMITED
Entity Incorporation, State or Country Code C3
Entity Address, Address Line One Level 3, 62 Lygon Street
Entity Address, Address Line Two Carlton South
Entity Address, City or Town Victoria
Entity Address, Postal Zip Code 3053
Entity Address, Country AU
Title of 12(b) Security American Depositary Shares, each representing 40 Ordinary Shares
Trading Symbol IMRN
Security Exchange Name NASDAQ
Entity Common Stock, Shares Outstanding 322,848,081
Entity Well-known Seasoned Issuer No
Entity Voluntary Filers No
Entity Current Reporting Status Yes
Entity Interactive Data Current Yes
Entity Emerging Growth Company false
Entity Filer Category Non-accelerated Filer
ICFR Auditor Attestation Flag false
Document Financial Statement Error Correction [Flag] false
Document Accounting Standard International Financial Reporting Standards
Entity Shell Company false
Amendment Flag false
Document Fiscal Period Focus FY
Business Contact  
Document Information [Line Items]  
Entity Address, Address Line One Level 3, 62 Lygon Street
Entity Address, Address Line Two Carlton South
Entity Address, City or Town Victoria
Entity Address, Postal Zip Code 3053
Entity Address, Country AU
Contact Personnel Name Mr. Steven Lydeamore
City Area Code +61
Local Phone Number 3 8892 4854