Annual report pursuant to Section 13 and 15(d)

Related Party Transactions (Management Services Agreement) (Details)

v3.21.1
Related Party Transactions (Management Services Agreement) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2020
Dec. 31, 2019
Related Party Transaction [Line Items]    
Fortress - MSA Income $ (4,000) $ (4,000)
Consolidated (income) expense $ 0 0
Helocyte [Member]    
Related Party Transaction [Line Items]    
Effective date Mar. 20, 2015  
Partner companies, MSA fee expense $ 500 500
Avenue [Member]    
Related Party Transaction [Line Items]    
Effective date Feb. 17, 2015  
Partner companies, MSA fee expense $ 0 0
Mustang [Member]    
Related Party Transaction [Line Items]    
Effective date Mar. 13, 2015  
Partner companies, MSA fee expense $ 500 500
Checkpoint [Member]    
Related Party Transaction [Line Items]    
Effective date Mar. 17, 2015  
Partner companies, MSA fee expense $ 500 500
Cellvation [Member]    
Related Party Transaction [Line Items]    
Effective date Oct. 31, 2016  
Partner companies, MSA fee expense $ 500 500
Baergic [Member]    
Related Party Transaction [Line Items]    
Effective date Mar. 09, 2017  
Partner companies, MSA fee expense $ 500 500
Cyprium [Member]    
Related Party Transaction [Line Items]    
Effective date Mar. 13, 2017  
Partner companies, MSA fee expense $ 500 500
Aevitas [Member]    
Related Party Transaction [Line Items]    
Effective date Jul. 28, 2017  
Partner companies, MSA fee expense $ 500 500
Tamid [Member]    
Related Party Transaction [Line Items]    
Effective date Nov. 30, 2017  
Partner companies, MSA fee expense $ 0 500
Oncogenuity [Member]    
Related Party Transaction [Line Items]    
Effective date Feb. 10, 2017  
Partner companies, MSA fee expense $ 500 $ 0