Annual report pursuant to Section 13 and 15(d)

Related Party Transactions - Schedule of The Effective Date and Annual Management Services agreement Fee (Income) Expense (Details)

v3.20.1
Related Party Transactions - Schedule of The Effective Date and Annual Management Services agreement Fee (Income) Expense (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
USD ($)
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 0
Helocyte Inc [Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 500
Annual Consulting Fee Payable Effective Date Mar. 20, 2015
Avenue [Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 0
Annual Consulting Fee Payable Effective Date Feb. 17, 2015
Mustang Bio, Inc [Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 500
Annual Consulting Fee Payable Effective Date Mar. 13, 2015
Checkpoint [Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 500
Annual Consulting Fee Payable Effective Date Mar. 17, 2015
Cellvation Inc [Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 500
Annual Consulting Fee Payable Effective Date Oct. 31, 2016
Baergic[Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 500
Annual Consulting Fee Payable Effective Date Mar. 09, 2017
Cyprium Bio sciences Inc [Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 500
Annual Consulting Fee Payable Effective Date Mar. 13, 2017
Aevitas Inc [Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 500
Annual Consulting Fee Payable Effective Date Jul. 28, 2017
Tamid Bio sciences Inc [Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ 500
Annual Consulting Fee Payable Effective Date Nov. 30, 2017
Fortress Biotech Inc [Member]  
Related Party Transaction [Line Items]  
Annual Management Services Agreement Fee Income expense $ (4,000)