Annual report pursuant to Section 13 and 15(d)

Revenues from Contracts and Significant Customers (Narrative) (Details)

v3.21.1
Revenues from Contracts and Significant Customers (Narrative) (Details)
$ in Thousands
12 Months Ended
Dec. 31, 2020
USD ($)
product
Dec. 31, 2019
USD ($)
Disaggregation of Revenue [Line Items]    
Number of marketed products | product 5  
Revenue from Contract with Customer, Including Assessed Tax $ 44,531 $ 34,921
Product revenue constrained in prior period $ 1,400 $ 0
Customer Concentration Risk [Member] | Accounts Receivable [Member]    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage 12.00%  
Customer one [Member] | Customer Concentration Risk [Member] | Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage   50.00%
Customer one [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage   21.00%
Customer Two [Member] | Customer Concentration Risk [Member] | Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage   10.00%
Customer Two [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]    
Disaggregation of Revenue [Line Items]    
Concentration risk, percentage   18.00%