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Stockholders' Equity - Leerink Underwriting (Details) - USD ($)
12 Months Ended
Aug. 19, 2025
Jun. 30, 2026
Jun. 30, 2025
Stockholders' Equity      
Underwriting fees   $ 5,860,000 $ 294,000
Proceeds from the exercise of warrants   33,400,000  
Series G and Series H Warrants      
Stockholders' Equity      
Proceeds from the exercise of warrants   $ 25,000,000  
Series G Warrants      
Stockholders' Equity      
Warrants exercised for common stock   14,160,000  
Warrants exercised for pre-funded warrants   35,770,000  
Series H Warrants      
Stockholders' Equity      
Number of shares which may be issued upon conversion of warrants   35,770,000  
Warrants exercised for pre-funded warrants   4,250,000  
2025 Pre-Funded Warrants      
Stockholders' Equity      
Warrants exercised for common stock   9,250,394  
Proceeds from the exercise of warrants   $ 9,250  
Pre-funded Series G Warrants      
Stockholders' Equity      
Number of shares which may be issued upon conversion of warrants   21,610,000  
Warrants exercised for common stock   1,970,000  
Proceeds from the exercise of warrants   $ 1,970  
Pre-funded Series H Warrants      
Stockholders' Equity      
Number of shares which may be issued upon conversion of warrants   4,250,000  
Proceeds from the exercise of warrants   $ 3,000,000  
2025 Underwriting Agreement      
Stockholders' Equity      
Number of common stock shares issued 71,540,000    
Warrant exercise, common stock ownership limitation 4.99%    
Warrant exercise, common stock ownership limitation (at the election of the holder) 9.99%    
Warrant holder's election, period of written notice 61 days    
Ownership threshold percentage 4.99%    
Gross proceeds from sale of equity $ 50,000,000    
Underwriting fees 3,600,000    
Net proceeds from sale of equity $ 46,400,000    
Underwriting discount percentage 6.00%    
All cash exercises of warrants, period 30 months    
Placement agent fee, quarterly payment due period 5    
Transaction fees   1,680,000  
2025 Underwriting Agreement | Maximum      
Stockholders' Equity      
Warrant exercise, common stock ownership limitation 19.99%    
Ownership threshold percentage 19.99%    
2025 Underwriting Agreement | Location, Statement of Financial Position, Balance [Axis]: us-gaap:AccruedLiabilitiesCurrent      
Stockholders' Equity      
Transaction fees   1,173,000  
2025 Underwriting Agreement | Series G and Series H Warrants      
Stockholders' Equity      
Warrants, exercise price $ 0.7    
Additional gross proceeds available upon exercise of warrants   22,100,000  
Proceeds from the exercise of warrants   $ 26,300,000  
2025 Underwriting Agreement | Series G Warrants      
Stockholders' Equity      
Number of shares which may be issued upon conversion of warrants 35,770,000    
Warrants, exercisable term 5 years    
2025 Underwriting Agreement | Series H Warrants      
Stockholders' Equity      
Number of shares which may be issued upon conversion of warrants 35,770,000    
Warrants, exercisable term 4 years    
2025 Underwriting Agreement | 2025 Pre-Funded Warrants      
Stockholders' Equity      
Warrants, exercise price $ 0.001    
2025 Underwriting Agreement | Pre-funded Series G Warrants      
Stockholders' Equity      
Number of shares which may be issued upon conversion of warrants 35,770,000    
Warrants, exercise price $ 0.001    
2025 Underwriting Agreement | Pre-funded Series H Warrants      
Stockholders' Equity      
Number of shares which may be issued upon conversion of warrants 35,770,000    
Warrants, exercise price $ 0.001    
2025 Underwriting Agreement | Pre Funded Warrants and Series G Warrants      
Stockholders' Equity      
Combined purchase price of each Pre-Funded Warrant and the accompanying Common Warrants $ 0.699