Annual report pursuant to Section 13 and 15(d)

Basis of Presentation and Significant Accounting Policies - Equity Securities and Purchase of Rights to Future Milestones and Royalties (Details)

v3.20.4
Basis of Presentation and Significant Accounting Policies - Equity Securities and Purchase of Rights to Future Milestones and Royalties (Details)
$ in Millions
1 Months Ended 12 Months Ended
Oct. 31, 2020
shares
Dec. 31, 2020
USD ($)
Dec. 31, 2019
USD ($)
Sep. 30, 2020
shares
Purchase of Rights to Future Milestones and Royalties        
Impairment of long-term royalty receivable | $   $ 0.0 $ 0.0  
Rezolute        
Schedule of Equity Method Investments [Line Items]        
Reverse stock split 0.02      
Number of shares owned | shares 161,860     8,093,010