Quarterly report pursuant to Section 13 or 15(d)

Revenues - Percentage by Customer (Details)

v3.20.2
Revenues - Percentage by Customer (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Grifols | fostamatinib        
Disaggregation of Revenue [Line Items]        
Expected rollout term     18 months  
Sales | Customer concentration risk        
Disaggregation of Revenue [Line Items]        
Benchmark percentage     10.00%  
Sales | Customer concentration risk | ASD Healthcare and Oncology Supply        
Disaggregation of Revenue [Line Items]        
Percentage 48.00% 28.00% 26.00% 34.00%
Sales | Customer concentration risk | McKesson Specialty Care Distribution Corporation        
Disaggregation of Revenue [Line Items]        
Percentage 34.00% 22.00% 20.00% 27.00%
Sales | Customer concentration risk | Daiichi        
Disaggregation of Revenue [Line Items]        
Percentage 11.00%      
Sales | Customer concentration risk | Aclaris        
Disaggregation of Revenue [Line Items]        
Percentage   19.00%    
Sales | Customer concentration risk | Celgene        
Disaggregation of Revenue [Line Items]        
Percentage   18.00%    
Sales | Customer concentration risk | Grifols        
Disaggregation of Revenue [Line Items]        
Percentage     49.00% 11.00%