Quarterly report pursuant to Section 13 or 15(d)

Disaggregation of Revenue (Details)

v3.22.1
Disaggregation of Revenue (Details) - USD ($)
$ in Thousands
3 Months Ended
Mar. 31, 2022
Mar. 31, 2021
Disaggregation of Revenue [Line Items]    
Timing of revenue recognition: Timing of revenue recognition: Timing of revenue recognition:
Disaggregated revenue $ 350 $ 479
Product Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue
License And Royalty Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue 350 479
Contract Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue
Transferred at Point in Time [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue 350 479
Transferred at Point in Time [Member] | Product Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue
Transferred at Point in Time [Member] | License And Royalty Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue 350 479
Transferred at Point in Time [Member] | Contract Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue
Transferred over Time [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue
Transferred over Time [Member] | Product Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue
Transferred over Time [Member] | License And Royalty Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue
Transferred over Time [Member] | Contract Revenue [Member]    
Disaggregation of Revenue [Line Items]    
Disaggregated revenue