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General and administrative expenses (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
General and administrative expenses      
Personnel-related expenses $ 5,010 $ 3,800 $ 1,474
Professional and consultant fees 3,954 2,593 683
Insurance, facilities, fees and other related costs 3,022 2,506 236
Share-based compensation expense 2,138 3,119 326
Total general and administrative expenses $ 14,124 $ 12,018 $ 2,719