Quarterly report pursuant to Section 13 or 15(d)

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

v3.20.2
Basis of Presentation and Significant Accounting Policies - Concentration of Credit Risk and Significant Customers (Details) - Customer Concentration Risk
3 Months Ended 9 Months Ended
Sep. 30, 2020
Dec. 31, 2019
Sep. 30, 2020
Sep. 30, 2019
Sep. 30, 2020
Sep. 30, 2019
Customer A | REVENUES            
Concentration Risk [Line Items]            
Concentration risk, percentage     0.00% 0.00% 0.00% 17.00%
Customer A | ACCOUNTS RECEIVABLE            
Concentration Risk [Line Items]            
Concentration risk, percentage 71.00% 73.00%        
Customer B | REVENUES            
Concentration Risk [Line Items]            
Concentration risk, percentage     15.00% 15.00% 18.00% 22.00%
Customer B | ACCOUNTS RECEIVABLE            
Concentration Risk [Line Items]            
Concentration risk, percentage 9.00% 2.00%        
Customer C | REVENUES            
Concentration Risk [Line Items]            
Concentration risk, percentage     8.00% 4.00% 10.00% 4.00%
Customer C | ACCOUNTS RECEIVABLE            
Concentration Risk [Line Items]            
Concentration risk, percentage 2.00% 3.00%