Annual report pursuant to Section 13 and 15(d)

Shareholders' Equity - Share Options Narratives (Details)

v3.22.4
Shareholders' Equity - Share Options Narratives (Details) - Share Options
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2022
USD ($)
$ / shares
shares
Dec. 31, 2021
USD ($)
shares
Dec. 31, 2018
$ / shares
shares
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Granted (in shares) | shares   250,000  
Weighted average grant date fair value | $ / shares $ 0.47    
Grant date intrinsic value | $ / shares $ 0    
Vested and exercisable | shares 7,313,699    
Unvested options | shares 2,439,901    
Share-based compensation expense net | $ $ 136 $ 1,240  
Expense to be recognized | $ $ 221    
Expenses to be recognized (in years) 1 year 4 months 24 days    
2018 Plan | Employees and Consultants      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Granted (in shares) | shares     17,837,463
Exercise Price lower range limit | $ / shares     $ 0.39
Exercise Price upper range limit | $ / shares     $ 0.65
2018 Plan | Employees and Consultants | Vesting Tranche One      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Vesting percentage     15.00%
2018 Plan | Employees and Consultants | Vesting Tranche Two      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Vesting percentage     25.00%
2018 Plan | Employees and Consultants | Vesting Tranche Three      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Vesting percentage     60.00%
2018 Plan | Non-founding members of board of directors | Vesting Tranche One      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Vesting percentage     50.00%
2018 Plan | Non-founding members of board of directors | Vesting Tranche Two      
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]      
Vesting percentage     50.00%