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

EXPENSES BY NATURE -Summary of expenses by nature (Details)

v3.22.1
EXPENSES BY NATURE -Summary of expenses by nature (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Expenses      
R&D $ 32,197 $ 7,937 $ 51,418
Personnel costs 7,616 2,550 2,547
Professional and consulting 2,988 2,829 2,369
Share-based compensation 4,036 1,097 1,651
Public company and administrative 2,866 1,153 1,248
Severance charges 678
Total of R&D and G&A 50,381 15,566 59,233
Depreciation of right-of-use assets 304 105 4
Depreciation of property and equipment 152 35
Amortization of patent rights 243 143 29
Depreciation and amortization 699 283 33
Total expenses $ 51,080 $ 15,849 $ 59,266