Finance Income and Expense - Schedule of Finance Income and Expense (Detail) - USD ($) $ in Thousands |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2021 |
Dec. 31, 2020 |
Dec. 31, 2019 |
|
| Analysis Of Finance Income And Expense [Abstract] | |||
| Foreign exchange gain (loss), net | $ 78 | $ (527) | $ (442) |
| Interest expense | (3,156) | (2,704) | (1,186) |
| Change in fair value of derivative liability | 790 | ||
| Loss on Oxford debt extinguishment | (1,363) | ||
| Finance result, net | $ (3,651) | $ (3,231) | $ (1,628) |