Annual and transition report of foreign private issuers pursuant to Section 13 or 15(d)

Income taxes - Schedule of Effective Income Tax Reconciliation (Details)

v3.22.1
Income taxes - Schedule of Effective Income Tax Reconciliation (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Tax      
Theoretical tax benefit $ (15,640) $ (4,912) $ (3,967)
Increase (decrease) in effective tax rate due to:      
Change in valuation allowance 13,598 4,283 3,863
Effect of entities with different tax rates 125 68 11
Non-deductible expenses 2,439 1,294 564
Change in tax reserve for uncertain tax positions 101 60 60
Other 358 (153) (73)
Provision for income taxes $ 981 $ 640 $ 458
Rate      
Theoretical tax benefit 23.00% 23.00% 23.00%
Increase (decrease) in effective tax rate due to:      
Change in valuation allowance (20.00%) (20.00%) (23.00%)
Effect of entities with different tax rates 0.00% 0.00% 0.00%
Non-deductible expenses (4.00%) (6.00%) (3.00%)
Change in tax reserve for uncertain tax positions 0.00% 0.00% 0.00%
Other (1.00%) 0.00% 0.00%
Total effective income taxes (2.00%) (3.00%) (3.00%)