Annual report [Section 13 and 15(d), not S-K Item 405]

Related Party Transactions (Narrative) (Details)

v3.26.1
Related Party Transactions (Narrative) (Details) - USD ($)
1 Months Ended 12 Months Ended
Feb. 22, 2026
Jan. 13, 2026
Nov. 12, 2021
Feb. 28, 2026
Aug. 31, 2020
Dec. 31, 2025
Dec. 31, 2024
Sep. 30, 2014
Related Party Transactions                
Preferred Stock, shares outstanding           3,427,138 3,427,138  
Preferred Stock Liquidating Preference           $ 25 $ 25  
Partner company's redemption of preferred shares           $ (265,000) $ 0  
Related Party                
Related Party Transactions                
Revenue - related party             41,000  
Cyprium | Related Party                
Related Party Transactions                
Shares exchanged for cash         283,400      
Monthly cash dividend         $ 0.19531      
Annual cash dividend payable         2.34375      
Preferred Stock Liquidating Preference         $ 25      
Exchange term         24 months      
Shared Services Agreement | TGTX                
Related Party Transactions                
Revenue - related party           800,000 900,000  
Company owed amount           39,000    
Desk Share Agreements | TGTX                
Related Party Transactions                
Percentage of Rentable Area     65.00%          
Desk Share Agreements | TGTX | Related Party                
Related Party Transactions                
Company owed amount           $ 0    
Founder agreement with Mustang                
Related Party Transactions                
Agreement with partner companies, term           15 years    
PIK dividend as a percentage of fully diluted outstanding capitalization           2.50%    
Percentage of Founders Stock owned           100.00%    
Period for payment of equity fees           5 days    
Percentage of gross amount of any equity or debt financing           2.50%    
Percentage of cash fee payable           4.50%    
Period for payment of annual cash fee           90 days    
Agreement with partner companies, change in control, description           each such partner company/subsidiary will pay a one-time change in control fee equal to five (5x) times the product of (A) net sales for the twelve (12) months immediately preceding the change in control and (B) four and one-half percent (4.5%)    
Management Services Agreements                
Related Party Transactions                
Agreement with partner companies, term           5 years    
New York, NY Office Space | Desk Share Agreements                
Related Party Transactions                
Total payment for rent           $ 2,700,000 2,900,000  
New York, NY Office Space | Desk Share Agreements | TGTX and OPPM                
Related Party Transactions                
Operating lease term               5 years
New York, NY Office Space | Desk Share Agreements | TGTX | Related Party                
Related Party Transactions                
Revenue - related party           1,800,000 1,700,000  
Company owed amount           0    
Journey | Related Party                
Related Party Transactions                
Proceeds from Related Party Agreement           43,000 $ 38,000  
Company owed amount           $ 500,000    
Cyprium | Subsequent events                
Related Party Transactions                
Preferred Stock Liquidating Preference $ 25     $ 25        
Consideration received $ 205,000,000 $ 205,000,000   $ 205,000,000        
Redemption Price for Preferred Stock       $ 14,200,000        
9.375% Series A Cumulative Redeemable Perpetual Preferred Stock, $0.001 par value | Cyprium | Related Party                
Related Party Transactions                
Dividend rate percentage         9.375%      
9.375% Series A Cumulative Redeemable Perpetual Preferred Stock, $0.001 par value | Cyprium                
Related Party Transactions                
Preferred Stock, shares outstanding           36,600    
9.375% Series A Cumulative Redeemable Perpetual Preferred Stock, $0.001 par value | Cyprium | Related Party                
Related Party Transactions                
Dividend rate percentage         9.375%      
Preferred Stock, shares outstanding           320,000