Annual report pursuant to Section 13 and 15(d)

Commitments and Contingencies - License Agreement (Details)

v3.20.4
Commitments and Contingencies - License Agreement (Details) - TMRC - USD ($)
1 Months Ended 12 Months Ended
Sep. 30, 2016
Sep. 30, 2015
Dec. 31, 2020
Dec. 31, 2019
Collaborative Arrangements And Noncollaborative Arrangement Transactions [Line Items]        
Up-front license fee   $ 1,000,000.0    
Payment of up-front license fee   500,000    
Payments per indication due upon the successful achievement of clinical and regulatory milestones   $ 13,000,000.0    
Payments made upon achievement of development milestone $ 1,000,000.0      
Fees incurred under supply management agreement     $ 900,000  
Payments made under the supply management agreement       $ 0