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

Income taxes - Schedule of provision of income taxes (Details)

v3.22.1
Income taxes - Schedule of provision of income taxes (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Current:      
Domestic $ 11 $ 0 $ 0
Foreign 569 375 272
Total current income tax expense 580 375 272
Deferred:      
Domestic 0 0 0
Foreign 401 265 186
Total deferred income tax expense 401 265 186
Provision for income taxes $ 981 $ 640 $ 458