| Document and Entity Information | 12 Months Ended |
| Jun. 30, 2023 shares |
| Document Information [Line Items] | |
| Document Type | 20-F/A |
| Amendment Flag | true |
| Document Period End Date | Jun. 30, 2023 |
| Document Fiscal Year Focus | 2023 |
| Document Fiscal Period Focus | FY |
| Entity Registrant Name | BIONOMICS LIMITED/FI |
| Entity Central Index Key | 0001191070 |
| Entity Current Reporting Status | Yes |
| Entity Voluntary Filers | No |
| Entity Interactive Data Current | Yes |
| Current Fiscal Year End Date | --06-30 |
| Entity Filer Category | Non-accelerated Filer |
| Entity Well-known Seasoned Issuer | No |
| Entity Common Stock, Shares Outstanding | 1,486,735,424 |
| Entity Shell Company | false |
| Entity Emerging Growth Company | true |
| Entity Ex Transition Period | false |
| Securities Act File Number | 001-41157 |
| Entity Incorporation, State or Country Code | C3 |
| Entity Address, Address Line One | 200 Greenhill Road |
| Entity Address, City or Town | Eastwood SA |
| Entity Address, Postal Zip Code | 5063 |
| Entity Address, Country | AU |
| Document Annual Report | true |
| Document Transition Report | false |
| Document Shell Company Report | false |
| Document Registration Statement | false |
| Document Accounting Standard | International Financial Reporting Standards |
| ICFR Auditor Attestation Flag | false |
| Auditor Name | Ernst & Young |
| Auditor Firm ID | 1435 |
| Auditor Location | Adelaide, Australia |
| Trading Symbol | BNOX |
| Title of 12(b) Security | American Depository Shares, each representing the right to receive one hundred eighty (180) Ordinary Shares, no par value per share |
| Security Exchange Name | NASDAQ |
| Document Financial Statement Error Correction [Flag] | false |
| Amendment Description | This Amendment No. 1 to Form 20-F (the “Form 20-F/A”) amends our annual report on Form 20-F for the year ended June 30, 2023 (the “Annual Report”), which was originally filed with the U.S. Securities and Exchange Commission on October 18, 2023. The purpose of this Form 20-F/A is to amend certain information presented under (1) Item 15, Controls and Procedures, Evaluation of Disclosure Controls and Procedures to include management’s assessment of internal controls over financial reporting, and (2) to revise and file herewith Exhibits 12.1 and 12.2, respectively; to reflect the Company management’s certification of its internal control over financial reporting.This Form 20-F/A does not reflect events occurring after the filing of the Annual Report and does not modify or update the disclosure therein in any way except as described above or herein. No other changes have been made to the Annual Report. The filing of this Form 20-F/A should not be understood to mean that any statements contained in the Annual Report, as amended by this Form 20-F/A, are true or complete as of any date subsequent to the original filing date of the Annual Report. Accordingly, this Form 20-F/A should be read in conjunction with the Annual Report. |
| Business Contact [Member] | |
| Document Information [Line Items] | |
| Entity Address, Address Line One | 2710 Gateway Oaks Drive |
| Entity Address, Address Line Two | Suite 150N |
| Entity Address, City or Town | Sacramento |
| Entity Address, Postal Zip Code | 95833 |
| Entity Address, Country | CA |
| City Area Code | +61 |
| Local Phone Number | 8 881507400 |
| Contact Personnel Name | Spyridon “Spyros” Papapetropoulos, M.D. |
| Contact Personnel Email Address | spyros@bionomics.com.au |
