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Corporate restructuring (Additional Information) (Details)
$ in Millions
1 Months Ended 3 Months Ended 6 Months Ended 12 Months Ended
Feb. 28, 2022
Positions
Oct. 31, 2021
USD ($)
Positions
Jun. 30, 2022
USD ($)
Mar. 31, 2022
USD ($)
Jun. 30, 2022
USD ($)
Dec. 31, 2021
USD ($)
Restructuring Cost and Reserve [Line Items]            
Percentage of Workforce 80.00% 26.00%        
Reduction of the Company's workforce positions | Positions 24 11        
Severance cost   $ 1.4   $ 1.7    
Restructuring Costs     $ 1.7   $ 1.7  
Unpaid severance costs         0.4 $ 0.9
Employee Severance [Member]            
Restructuring Cost and Reserve [Line Items]            
Severance cost         2.2  
October 2021 [Member]            
Restructuring Cost and Reserve [Line Items]            
Restructuring Costs   $ 0.9        
February 2022 [Member]            
Restructuring Cost and Reserve [Line Items]            
Severance cost         1.3  
General and Administrative [Member]            
Restructuring Cost and Reserve [Line Items]            
Restructuring Costs     0.7   0.7  
Research and Development [Member]            
Restructuring Cost and Reserve [Line Items]            
Restructuring Costs     $ 1.0   $ 1.0