Quarterly report [Sections 13 or 15(d)]

Related Party Agreements (Narrative) (Details)

v3.25.1
Related Party Agreements (Narrative) (Details) - Fortress Biotech, Inc - USD ($)
$ in Millions
3 Months Ended 12 Months Ended
Jan. 01, 2025
Jul. 22, 2016
Mar. 31, 2025
Mar. 31, 2024
Dec. 31, 2024
Related Party Agreements          
Shares issued for services (in shares) 69,046        
Parent Company | Management Services Agreement (MSA)          
Related Party Agreements          
Percentage of annual fees expense related to Management Services Agreement recorded in research and development expenses     50.00% 50.00%  
Percentage of annual fees expense related to Management Services Agreement recorded in general and administrative expenses     50.00% 50.00%  
Expenses from related party transaction     $ 0.1 $ 0.1  
Parent Company | Founders Agreement          
Related Party Agreements          
Expenses from related party transaction     $ 0.2    
Percentage of fully diluted equity   2.50%     2.50%
Shares issued for services (in shares)     67,806 0  
Research and development for licenses acquired         $ 0.6