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Non Current Liabilities - Convertible Note - Additional Information (Detail) - AUD ($)
 1 Months Ended 3 Months Ended 12 Months Ended
May 11, 2015
Mar. 31, 2022
Dec. 31, 2018
Jul. 31, 2017
Jun. 30, 2021
Jun. 30, 2023
Jun. 30, 2022
Aug. 04, 2020
Nov. 30, 2019
Jun. 30, 2016
Disclosure of detailed information about borrowings [line items]                    
Proceeds from Issuance of warrants and convertible notes $ 13,750,828   $ 7,328,509 $ 6,561,765            
Convertible Notes issued           $ 13,750,828        
Convertible Notes, Face value           $ 1        
Convertible notes exercise price           $ 0.16        
Interest rate           3.00%        
Discount rate                   15.00%
Exercise price               $ 0.235    
Percentage of convertible notes converted to ordinary shares   12.50%     75.00%          
Percentage of convertible notes converted to ordinary shares in three issuances         25.00%          
Percentage of original convertible notes balance remain outstanding             6.25%      
Number of warrants lapsed unexercised               37,144,524    
Number of shares converted into ordinary shares           6,646,432        
Notional Amount           $ 1,063,358        
Convertible instruments outstanding amount           859,427        
18 March 2021                    
Disclosure of detailed information about borrowings [line items]                    
Convertible Notes issued           3,437,707        
14 May 2021                    
Disclosure of detailed information about borrowings [line items]                    
Convertible Notes issued           3,437,707        
7 June 2021                    
Disclosure of detailed information about borrowings [line items]                    
Convertible Notes issued           3,437,707        
14 March 2022                    
Disclosure of detailed information about borrowings [line items]                    
Convertible Notes issued           1,718,853        
14 October 2022                    
Disclosure of detailed information about borrowings [line items]                    
Convertible Notes issued           859,427        
Restated Warants Issue After Share Consolidation [member]                    
Disclosure of detailed information about borrowings [line items]                    
Convertible Notes, Face value           $ 0.16        
Present Value of the Contractual Cash Flows [member]                    
Disclosure of detailed information about borrowings [line items]                    
Component of convertible note was initially recorded at fair value                   $ 4,400,000
Warrants Exercise Price One [member]                    
Disclosure of detailed information about borrowings [line items]                    
Warrants granted to Ridgeback           8,475,995        
Exercise price           $ 0.025        
Warrants Exercise Price Two [member]                    
Disclosure of detailed information about borrowings [line items]                    
Warrants granted to Ridgeback           371,445,231        
Exercise price           $ 0.0237        
Restated Warrants Exercise Price One [member] | Restated Warants Issue After Share Consolidation [member]                    
Disclosure of detailed information about borrowings [line items]                    
Warrants granted to Ridgeback                 847,600  
Exercise price                 $ 0.248  
Restated Warrants Exercise Price Two [member] | Restated Warants Issue After Share Consolidation [member]                    
Disclosure of detailed information about borrowings [line items]                    
Warrants granted to Ridgeback                 37,144,524  
Exercise price                 $ 0.235