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

Income taxes - Schedule of Unrecognized Tax Benefits (Details)

v3.22.1
Income taxes - Schedule of Unrecognized Tax Benefits (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Unrecognized Tax positions      
Unrecognized tax benefits, beginning balance $ 302 $ 242 $ 182
Increases related to current year tax positions 101 60 60
Unrecognized tax benefits, ending balance $ 403 $ 302 $ 242