v3.26.1
Patent and Technology License Agreements (Details) - USD ($)
3 Months Ended 9 Months Ended 12 Months Ended
Jul. 15, 2025
Sep. 30, 2021
Jun. 30, 2026
Dec. 31, 2025
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Sep. 30, 2025
Patent and Technology License Agreements [Line Items]                
Fee expense           $ 90,000   $ 90,000
Increasing annual royalties           1,100,000    
Research and development     $ 1,053,869   $ 1,621,325 4,287,106 $ 7,514,888  
Revenue percentage 2.00%              
Upfront payment           20,100,000    
Commercial sales milestones     300,000,000     300,000,000    
Milestone payments $ 2,197,892         5,900,000    
Paid amount 2,350,000              
Interest expense           112,270    
Accounts payable     2,200,000     2,200,000    
Accrued expenses     4,062,481     4,062,481    
Eisai [Member]                
Patent and Technology License Agreements [Line Items]                
License fee           22,000,000    
Citius Oncology [Member]                
Patent and Technology License Agreements [Line Items]                
Development milestone     2,650,000     2,650,000    
LYMPHIR [Member]                
Patent and Technology License Agreements [Line Items]                
Milestone payments           27,500,000    
Dr. Reddy’s Laboratories, Ltd [Member]                
Patent and Technology License Agreements [Line Items]                
Development milestone     15,650,000     15,650,000    
Dr. Reddy’s Laboratories, Ltd [Member] | CTCL [Member]                
Patent and Technology License Agreements [Line Items]                
Development milestone     $ 40,000,000     40,000,000    
Patent and Technology License Agreement – Mino-Lok [Member]                
Patent and Technology License Agreements [Line Items]                
Annual minimum royalty payment           100,000    
License Agreement Eterna [Member]                
Patent and Technology License Agreements [Line Items]                
Regulatory and development milestone payments           $ 51,000,000    
Revenue percentage     50.00%     50.00%    
License Agreement Eterna [Member] | NoveCite [Member]                
Patent and Technology License Agreements [Line Items]                
Research and development   $ 5,000,000            
Percentage of ownership additional shares   25.00%            
License Agreement Eterna [Member] | License Agreement [Member]                
Patent and Technology License Agreements [Line Items]                
Outstanding equity   75.00%            
License Agreement with Eisai [Member]                
Patent and Technology License Agreements [Line Items]                
Development milestone $ 2,535,318              
Net sales percentage       50.00%        
Paying an extension fee     $ 10,000,000     $ 10,000,000    
License Agreement with Eisai [Member] | Dr. Reddy’s Laboratories, Ltd [Member]                
Patent and Technology License Agreements [Line Items]                
Upfront payment           $ 40,000,000    
Minimum [Member]                
Patent and Technology License Agreements [Line Items]                
Royalty rate, percentage           2.00%    
Minimum [Member] | Patent and Technology License Agreement – Mino-Lok [Member]                
Patent and Technology License Agreements [Line Items]                
Royalty rate, percentage           10.00%    
Increasing annual royalties           $ 25,000    
Minimum [Member] | License Agreement Eterna [Member]                
Patent and Technology License Agreements [Line Items]                
Royalty rate, percentage           4.00%    
Minimum [Member] | License Agreement with Eisai [Member] | Royalty [Member]                
Patent and Technology License Agreements [Line Items]                
Royalty rate, percentage           10.00%    
Maximum [Member]                
Patent and Technology License Agreements [Line Items]                
Royalty rate, percentage           7.00%    
Maximum [Member] | Patent and Technology License Agreement – Mino-Lok [Member]                
Patent and Technology License Agreements [Line Items]                
Royalty rate, percentage           15.00%    
Increasing annual royalties           $ 150,000    
Maximum [Member] | License Agreement Eterna [Member]                
Patent and Technology License Agreements [Line Items]                
Royalty rate, percentage           8.00%    
Maximum [Member] | License Agreement with Eisai [Member]                
Patent and Technology License Agreements [Line Items]                
Development milestone     $ 70,000,000     $ 70,000,000    
Maximum [Member] | License Agreement with Eisai [Member] | Royalty [Member]                
Patent and Technology License Agreements [Line Items]                
Royalty rate, percentage           15.00%    
NoveCite [Member] | License Agreement Eterna [Member]                
Patent and Technology License Agreements [Line Items]                
Minority equity interest   25.00%