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Income taxes - Deferred Tax Assets and Liabilities (Details) - USD ($)
$ in Thousands
Dec. 31, 2021
Dec. 31, 2020
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets $ 697 $ 0
Deferred tax liabilities (3,578) 0
Losses from operations carried forward    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 665 0
Research and development tax credits    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax assets 32 0
Intangible assets    
Disclosure of temporary difference, unused tax losses and unused tax credits [line items]    
Deferred tax liabilities $ (4,275) $ 0