Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation and Significant Accounting Policies - Concentration of Risk (Details)

v3.20.1
Basis of Presentation and Significant Accounting Policies - Concentration of Risk (Details) - Customer Concentration Risk - customer
3 Months Ended 12 Months Ended
Mar. 31, 2020
Mar. 31, 2019
Dec. 31, 2019
Trade Receivables      
Concentration of Risk      
Number of major partners 2    
Trade Receivables | Partner 1      
Concentration of Risk      
Number of major partners     1
Concentration risk (as a percent) 62.00%   100.00%
Trade Receivables | Partner 2      
Concentration of Risk      
Concentration risk (as a percent) 38.00%    
Revenues | Partner 1      
Concentration of Risk      
Number of major partners 2 1  
Concentration risk (as a percent) 62.00% 99.00%  
Revenues | Partner 2      
Concentration of Risk      
Concentration risk (as a percent) 38.00%