Annual report pursuant to Section 13 and 15(d)

Long-Term Debt and Other Financings - Novartis Note (Details)

v3.22.0.1
Long-Term Debt and Other Financings - Novartis Note (Details) - USD ($)
$ in Thousands
1 Months Ended 12 Months Ended
Oct. 20, 2021
Oct. 21, 2020
Jun. 30, 2021
Mar. 31, 2005
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2017
Dec. 31, 2015
Sep. 30, 2015
Long-term debt                  
Revenue from contracts with customers         $ 36,518 $ 27,941      
Loss on extinguishment of debt         (300)        
Novartis Note                  
Long-term debt                  
Research and development expenses funded through loan facility, maximum (as a percent)       75.00%          
Maximum borrowing capacity under loan agreement       $ 50,000          
Repayments of debt     $ 9,100            
Amount by which note will be reduced upon achievement of specified milestones   $ 25,000             $ 7,300
Reduction in debt obligation   7,300              
Debt amount         0 9,100      
Novartis Note | Six-month LIBOR                  
Long-term debt                  
Basis spread on variable rate       2.00%          
Novartis International | License Agreement                  
Long-term debt                  
Revenue from contracts with customers $ 35,000 25,000     $ 35,000 $ 25,000 $ 10,000 $ 37,000  
Cash payment received   $ 17,700           $ 37,000