Quarterly report pursuant to Section 13 or 15(d)

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

v3.22.1
Revenues from Contracts and Significant Customers (Narrative) (Details)
$ in Millions
 3 Months Ended 12 Months Ended
Mar. 31, 2022
USD ($)
customer
Mar. 31, 2021
customer
Dec. 31, 2021
customer
Dermira, Inc. a subsidiary of Eli Lilly [Member]      
Disaggregation of Revenue [Line Items]      
Payments of milestones | $ $ 7.5    
Journey [Member]      
Disaggregation of Revenue [Line Items]      
Payments of milestones | $ $ 10.0    
Dermatology Products Sales [Member] | Customer Concentration Risk [Member] | Revenue [Member]      
Disaggregation of Revenue [Line Items]      
Number of customers | customer 0 0  
Dermatology Products Sales [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member]      
Disaggregation of Revenue [Line Items]      
Number of customers | customer 2   2
Dermatology Products Sales [Member] | Customer Concentration Risk [Member] | Accounts Receivable [Member] | Minimum [Member]      
Disaggregation of Revenue [Line Items]      
Concentration risk, percentage 10.00%   10.00%