Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
CURRENT ASSETS:
Cash and cash equivalents	$ 143,206	$ 273,243
Restricted cash	175	104
Prepaid income tax	575	332
Prepaid expenses and other current assets	47,695	21,621
Total current assets	191,651	295,300
NON-CURRENT ASSETS:
Investment	469	525
Property and equipment, net	617	398
Operating lease right-of-use assets	2,006	3,696
Deferred tax assets	2,224	766
Other assets	327	213
Total assets	197,294	300,898
CURRENT LIABILITIES:
Accounts payable	4,761	2,564
Accrued expenses and other liabilities	9,325	10,308
Operating lease liabilities - current	1,510	2,235
Total current liabilities	15,596	15,107
NON-CURRENT LIABILITIES
Operating lease liabilities - non-current	418	1,379
Total liabilities	16,014	16,486
Commitments and contingencies (Note 15)
SHAREHOLDERS' EQUITY:
Additional paid-in capital	458,825	444,750
Accumulated other comprehensive (loss)/income	(16,867)	8,840
Accumulated deficit	(261,146)	(169,641)
Total shareholders' equity	181,280	284,412
Total liabilities and shareholders' equity	197,294	300,898
Ordinary shares
SHAREHOLDERS' EQUITY:
Ordinary and deferred shares	440	435
Deferred Shares
SHAREHOLDERS' EQUITY:
Ordinary and deferred shares	$ 28	$ 28