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Contributed Equity - Summary of Shares Issued (Detail)
 12 Months Ended
Jun. 30, 2023
AUD ($)
shares
Jun. 30, 2023
AUD ($)
$ / shares
shares
Jun. 30, 2022
AUD ($)
$ / shares
shares
Jun. 30, 2022
AUD ($)
$ / shares
shares
Disclosure of classes of share capital [line items]        
Issued capital $ 446,272,203 $ 446,272,203 $ 367,407,757 $ 367,407,757
Issued Equity [member]        
Disclosure of classes of share capital [line items]        
Number of shares issued | shares 321,066,394 321,066,394 118,086,880 118,086,880
Issued capital $ 83,009,452 $ 83,009,452 $ 56,372,371 $ 56,372,371
Issued Equity [member] | 0.26 Issue Price [member]        
Disclosure of classes of share capital [line items]        
Share issued under Retail Entitlement Offer | shares 47,145,743      
Shares issued under Institutional Placement | shares 260,864,840      
Issue price of share issued under Retail Entitlement Offer | $ / shares   $ 0.26    
Issue price of shares issued under Institutional Placement | $ / shares   0.26    
Share issued under Retail Entitlement Offer $ 12,257,894      
Shares issued under Institutional Placement $ 67,824,858      
Issued Equity [member] | 0.52 Issue Price [member]        
Disclosure of classes of share capital [line items]        
Shares issued under Securities Purchase Plan | shares     13,799,149  
Share placement | shares     88,970,717  
Issue price of shares issued under securities purchase Plan | $ / shares       $ 0.52
Share placement | $ / shares     $ 0.52  
Share placement     $ 46,264,773  
Shares issued under Securities Purchase Plan     $ 7,175,557  
Issued Equity [member] | 0.17 Issue Price [member]        
Disclosure of classes of share capital [line items]        
Convertible notes exercised shares | shares 6,147,431   12,117,014  
Convertible notes exercise price per share | (per share)   0.17 $ 0.17  
Convertible notes exercised value $ 1,045,012   $ 2,059,791  
Issued Equity [member] | 0.27 Issue Price [member]        
Disclosure of classes of share capital [line items]        
Performance rights exercised pre-share consolidation | shares 6,908,380   3,200,000  
Performance rights exercised pre share consolidation | (per share)   $ 0.27 $ 0.27  
Performance rights exercised pre share consolidation $ 1,881,688   $ 872,250