Annual report pursuant to Section 13 and 15(d)

Significant Accounting Policies - Additional Information (Details)

v3.22.1
Significant Accounting Policies - Additional Information (Details) - USD ($)
$ in Millions
12 Months Ended
Jan. 01, 2022
Jan. 01, 2021
Dec. 31, 2021
Dec. 31, 2020
Fortress Biotech, Inc        
Percentage of annual equity fee 2.50% 2.50%    
Number of common stock shares issued 2,121,422 1,742,449 297,490 310,625
Research and development        
Value of common stock shares issued     $ 6.6 $ 4.6