Equity - contributed equity - Summary of movements in ordinary share capital (Detail) - AUD ($) | | | | | | | | | | | | | | | | | | | | | | | | | | 12 Months Ended |
Mar. 03, 2023 | Feb. 18, 2023 | Jan. 16, 2023 | Jan. 11, 2023 | Oct. 28, 2022 | Oct. 07, 2022 | Sep. 14, 2022 | Sep. 13, 2022 | Sep. 12, 2022 | Aug. 12, 2022 | Aug. 11, 2022 | Aug. 10, 2022 | Aug. 09, 2022 | Aug. 08, 2022 | Jul. 07, 2022 | Jun. 30, 2022 | Jun. 20, 2022 | Jun. 15, 2022 | Jun. 14, 2022 | Jun. 09, 2022 | Jun. 06, 2022 | Jun. 02, 2022 | May 24, 2022 | May 05, 2022 | Dec. 15, 2021 | Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2021 |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Beginning Balance | | | | | | | | | | | | | | | | | | | | | | | | | | $ 18,275,000 | $ 37,853,000 | $ 14,125,000 |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | 13,373,000 | 4,202,000 | 273,000 |
Ending balance | | | | | | | | | | | | | | | | $ 18,275,000 | | | | | | | | | | $ 12,050,000 | $ 18,275,000 | $ 37,853,000 |
Contributed equity [member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Beginning Balance | | | | | | | | | | | | | | | | | | | | | | | | | | 138,755,376 | 132,012,209 | |
Ending Balance | | | | | | | | | | | | | | | | 138,755,376 | | | | | | | | | | 228,029,114 | 138,755,376 | 132,012,209 |
Beginning Balance | | | | | | | | | | | | | | | | | | | | | | | | | | $ 84,480,249 | $ 80,290,062 | $ 48,781,000 |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | 13,373,000 | 4,202,000 | 273,000 |
Ending balance | | | | | | | | | | | | | | | | $ 84,480,249 | | | | | | | | | | $ 97,452,246 | $ 84,480,249 | $ 80,290,062 |
Conversion of options [member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | | | | | | | | | | $ 0.668 | | | |
Conversion of options [member] | Contributed equity [member] | 15 December 2021 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | | 25,000 | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 16,700 | |
Scientific Advisory Board [member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | $ 0.21 | | | | | | | | | | | | | | | | | | | | | |
Scientific Advisory Board [member] | Contributed equity [member] | 14 September 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 60,000 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 12,600 | | |
Share issue transaction costs [member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | $ 0 | | | | | | | | | | $ 0 | | |
Share issue transaction costs [member] | Contributed equity [member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ (400,750) | $ (492,735) | |
Conversion of Triaxial Convertible Note [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | | | | | | | | | $ 0.25 | | | | |
Conversion of Triaxial Convertible Note [Member] | Contributed equity [member] | 5 May 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | | 1,855,357 | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 464,000 | |
ATM issue of shares No. 1 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | | | | | | | | $ 0.826 | | | | | |
ATM issue of shares No. 1 [Member] | Contributed equity [member] | 24 May 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | | 10,000 | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 8,256 | |
ATM issue of shares No. 2 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | | | | | | | $ 0.802 | | | | | | |
ATM issue of shares No. 2 [Member] | Contributed equity [member] | 2 June 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | | 10,000 | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 8,025 | |
ATM issue of shares No. 3 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | | | | | | $ 0.837 | | | | | | | |
ATM issue of shares No. 3 [Member] | Contributed equity [member] | 6 June 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | | 88,710 | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 74,258 | |
ATM issue of shares No. 4 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | | | | | $ 0.84 | | | | | | | | |
ATM issue of shares No. 4 [Member] | Contributed equity [member] | 9 June 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | | 603,500 | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 507,035 | |
ATM issue of shares No. 5 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | | | | $ 0.824 | | | | | | | | | |
ATM issue of shares No. 5 [Member] | Contributed equity [member] | 14 June 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | | 75,940 | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 62,583 | |
ATM issue of shares No. 6 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | | | $ 0.83 | | | | | | | | | | |
ATM issue of shares No. 6 [Member] | Contributed equity [member] | 15 June 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | | 2,000 | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 1,661 | |
ATM issue of shares No. 7 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | | | $ 0.869 | | | | | | | | | | | |
ATM issue of shares No. 7 [Member] | Contributed equity [member] | 20 June 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | | 4,072,660 | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | | $ 3,540,403 | |
ATM issue of shares No. 8 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | | $ 0.7102 | | | | | | | | | | | | | |
ATM issue of shares No. 8 [Member] | Contributed equity [member] | 7 July 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 573,370 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 407,201 | | |
ATM issue of shares No. 9 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | | $ 0.3316 | | | | | | | | | | | | | | |
ATM issue of shares No. 9 [Member] | Contributed equity [member] | 8 August 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 8,561,490 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 2,839,346 | | |
ATM issue of shares No. 10 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | | $ 0.2723 | | | | | | | | | | | | | | | |
ATM issue of shares No. 10 [Member] | Contributed equity [member] | 9 August 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 10,000 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 2,723 | | |
ATM issue of shares No. 11 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | | $ 0.2465 | | | | | | | | | | | | | | | | |
ATM issue of shares No. 11 [Member] | Contributed equity [member] | 10 August 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 158,020 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 38,949 | | |
ATM issue of shares No. 12 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | | $ 0.2413 | | | | | | | | | | | | | | | | | |
ATM issue of shares No. 12 [Member] | Contributed equity [member] | 11 August 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 330,960 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 79,868 | | |
ATM issue of shares No. 13 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | | $ 0.2469 | | | | | | | | | | | | | | | | | | |
ATM issue of shares No. 13 [Member] | Contributed equity [member] | 12 August 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 1,247,440 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 308,050 | | |
ATM issue of shares No. 14 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | | $ 0.2211 | | | | | | | | | | | | | | | | | | | |
ATM issue of shares No. 14 [Member] | Contributed equity [member] | 12 September 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 651,030 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 143,964 | | |
ATM issue of shares No. 15 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | | | $ 0.2187 | | | | | | | | | | | | | | | | | | | | |
ATM issue of shares No. 15 [Member] | Contributed equity [member] | 13 September 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 28,350 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 6,200 | | |
ATM issue of shares No. 16 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | | $ 0.1789 | | | | | | | | | | | | | | | | | | | | | | |
ATM issue of shares No. 16 [Member] | Contributed equity [member] | 7 October 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 736,760 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 131,797 | | |
ATM issue of shares No. 17 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | | $ 0.1865 | | | | | | | | | | | | | | | | | | | | | | | |
ATM issue of shares No. 17 [Member] | Contributed equity [member] | 28 October 2022 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 12,296,180 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 2,293,288 | | |
ATM issue of shares No. 18 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | | $ 0.138 | | | | | | | | | | | | | | | | | | | | | | | | |
ATM issue of shares No. 18 [Member] | Contributed equity [member] | 11 January 2023 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 20,000 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 2,761 | | |
Professional and sophisticated investors placement – 1st tranche [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | | $ 0.11 | | | | | | | | | | | | | | | | | | | | | | | | | |
Professional and sophisticated investors placement – 1st tranche [Member] | Contributed equity [member] | 16 January 2023 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 25,387,018 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 2,792,572 | | |
Professional and sophisticated investors placement – 2nd tranche [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | | $ 0.11 | | | | | | | | | | | | | | | | | | | | | | | | | | |
Professional and sophisticated investors placement – 2nd tranche [Member] | Contributed equity [member] | 28 February 2023 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 15,522,075 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 1,707,428 | | |
Share Placement Plan [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Issue price | $ 0.11 | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Share Placement Plan [Member] | Contributed equity [member] | 3 March 2023 [Member] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Disclosure of classes of share capital [line items] | | | | | | | | | | | | | | | | | | | | | | | | | | | | |
Increase (decrease) in shares outstanding | | | | | | | | | | | | | | | | | | | | | | | | | | 23,691,045 | | |
Issue of shares | | | | | | | | | | | | | | | | | | | | | | | | | | $ 2,606,000 | | |