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

Significant Accounting Policies (Details)

v3.25.1
Significant Accounting Policies (Details)
$ in Millions
 12 Months Ended
Jan. 01, 2025
May 16, 2024
shares
Jan. 01, 2024
Mar. 17, 2015
shares
Dec. 31, 2024
USD ($)
segment
shares
Dec. 31, 2023
USD ($)
shares
Significant Accounting Policies            
Number of reportable segments | segment         1  
Fortress Biotech, Inc            
Significant Accounting Policies            
Percentage of shares issued for offering and annual equity fee 2.50%          
Number of shares issued and sold         421,653 398,660
Related Party | Fortress Biotech, Inc            
Significant Accounting Policies            
Percentage of shares issued for offering and annual equity fee     2.50% 2.50%    
Number of shares issued and sold   1,492,915   2,386,808    
Non-cash research and development expenses | $         $ 7.6 $ 3.4