Quarterly report pursuant to Section 13 or 15(d)

Licensing and Other Arrangements - Novartis International (Details)

v3.20.2
Licensing and Other Arrangements - Novartis International (Details)
$ in Thousands
3 Months Ended 6 Months Ended 12 Months Ended
Sep. 30, 2015
item
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Jun. 30, 2020
USD ($)
Jun. 30, 2019
USD ($)
Dec. 31, 2017
USD ($)
Dec. 31, 2015
USD ($)
Dec. 31, 2019
USD ($)
Licensing and other arrangements                
Revenue from contracts with customers   $ 53 $ 625 $ 553 $ 8,651      
Novartis International | License Agreement                
Licensing and other arrangements                
Agreement termination prior written notice period 180 days              
Number of performance obligations | item 1              
Revenue from contracts with customers   0 $ 0 0 $ 0 $ 10,000 $ 37,000  
Maximum eligible milestone payments receivable upon achievement of development, regulatory and commercial milestones       470,000        
Royalty payment period 10 years              
Contract assets   0   0       $ 0
Contract liabilities   0   0       0
Capitalized contract costs   $ 0   $ 0       $ 0