Annual report pursuant to Section 13 and 15(d)

Related Party Agreements (Details)

v3.20.4
Related Party Agreements (Details)
 1 Months Ended 12 Months Ended
Mar. 17, 2015
USD ($)
item
Dec. 31, 2016
USD ($)
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Management Services Agreement [Member]        
Related Party Transaction [Line Items]        
Number of period 5 years      
Annual Consulting Fee $ 500,000      
Increase In Annual Consulting Fee 1,000,000.0      
Excess In Net Assets Value 100,000,000      
Costs and Expenses, Related Party     $ 500,000 $ 500,000
Fortress Biotech, Inc [Member] | Founders Agreement [Member]        
Related Party Transaction [Line Items]        
Long-term Debt, Gross $ 2,800,000      
Issuance of Common Stock, Percentage of Outstanding Diluted Equity 2.50%      
Number of Business Days 5 days      
Voting equity, Percentage of Equity or Debt Financing 2.50%      
Cash Fee, Percentage of Annual Net Sales 4.50%      
Cash Fees, Maximum Number of Days 90 days      
Control Fees, Number of Times | item 5      
Control Fees, Monthly Net Sales 12 months      
Cash Fee, Percentage of Monthly Net Sales 4.50%      
Agreement Term 15 years      
Caribe Bioadvisors LLC [Member]        
Related Party Transaction [Line Items]        
Costs and Expenses, Related Party     111,000 104,000
Annual Advisory Service Fee   $ 60,000    
Caribe Bioadvisors LLC [Member] | Equity Incentive Grants [Member]        
Related Party Transaction [Line Items]        
Costs and Expenses, Related Party     $ 51,000 $ 44,000