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Income Tax (Tables)
12 Months Ended
Jun. 30, 2025
Income Tax [Abstract]  
Schedule of Income Tax
   Years Ended June 30, 
   2025   2024   2023 
             
(a) Income tax expense:            
Current tax   77,411    58,463    33,808 
Adjustment for current tax of prior periods   (9,356)   (12,375)   70,651 
Deferred tax   
-
    
-
    
-
 
                
(b) Numerical reconciliation of income tax expense to prima facie tax payable:               
Prima facie tax on net loss before income tax at 25% (2024: 25%, 2023: 25%)   (3,019,943)   (4,769,344)   (3,446,718)
Effect of lower tax rates of tax on overseas income   (14,745)   (11,134)   (6,440)
                
Add tax effect of:               
Under/(Over) provision of income tax in previous year relating to a revision of estimates   (9,356)   (12,375)   70,651 
Research and development expenditure (net of tax incentive)   898,066    1,305,112    1,267,940 
Other   464,299    377,405    413,976 
                
Deferred tax asset not recognised   1,749,734    3,156,424    1,805,050 
Income tax expense attributable to loss before income tax   68,055    46,088    104,459 
                
(c) Potential deferred tax asset as of June 30, 2025, 2024 and 2023 in respect of: tax losses not brought to account is (1)(2):   49,885,043    47,758,242    44,056,899 
Temporary differences   6,798,561    6,660,171    3,675,742 

 

(1)

As of June 30, 2025, the Group had a potential tax benefit related to gross tax losses carried forward of $187,632,492 (2024: $179,125,289) and a non-refundable R&D tax offset of $2,126,801 (2024: $3,703,478).

(2) Unused tax loss amounts are only attributable to the Group’s operations in Australia, as the subsidiary in the United States has no carryforward tax losses as of June 30, 2025. Tax losses can be carried forward indefinitely subject to continuity of ownership and same business test rules.