Quarterly report pursuant to Section 13 or 15(d)

Share-based compensation (Details)

v3.22.2.2
Share-based compensation (Details) - USD ($)
$ in Thousands
1 Months Ended 3 Months Ended 9 Months Ended
Feb. 28, 2022
Sep. 30, 2022
Sep. 30, 2021
Sep. 30, 2022
Sep. 30, 2021
Dec. 31, 2021
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based compensation   $ 562 $ 660 $ 2,454 $ 3,517  
Options outstanding (in shares)   3,250,770   3,250,770   2,684,041
Stock awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Share-based compensation $ 500          
Amended 2019 Plan            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Awards available for issuance (in shares)   5,614,637   5,614,637    
Options granted (in shares)   9,000 473,720 611,000 1,429,408  
Amended 2019 Plan | Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Expiration period       10 years    
Amended 2019 Plan | Stock awards            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Awards granted (in shares) 218,345          
Amended 2019 Plan | Minimum | Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period       2 years    
Amended 2019 Plan | Maximum | Stock options            
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]            
Vesting period       3 years