Quarterly report pursuant to Section 13 or 15(d)

Leases - Narrative (Details)

v3.22.2.2
Leases - Narrative (Details)
 3 Months Ended 6 Months Ended
Jun. 30, 2022
USD ($)
lease
Jun. 30, 2021
USD ($)
Jun. 30, 2022
USD ($)
lease
Jun. 30, 2021
USD ($)
Operating Leased Assets [Line Items]        
Operating lease, number of leases entered into | lease 2   2  
Operating lease, expense $ 300,000 $ 300,000 $ 700,000 $ 600,000
Operating lease, weighted average remaining lease term 3 years 11 months 19 days   3 years 11 months 19 days  
Operating lease, weighted average discount rate, percent 6.40%   6.40%  
Rantigen, Germany, Administrative Office One        
Operating Leased Assets [Line Items]        
Operating lease, monthly payments $ 2,618   $ 2,618  
Rantigen, Germany, Administrative Office Two        
Operating Leased Assets [Line Items]        
Operating lease, monthly payments 1,053   1,053  
Frankfurt, Germany Office        
Operating Leased Assets [Line Items]        
Operating lease, monthly payments $ 9,753   $ 9,753