CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 86,855	$ 111,097
Restricted cash	41	34
Total cash, cash equivalents and restricted cash	86,896	111,131
Short-term investments	53,924	73,783
Accounts receivable	876	173
Income tax and R&D incentive receivables	3,653	2,368
Prepaid expenses and other current assets	7,615	5,358
Total current assets	152,964	192,813
Property and equipment, net	765	1,081
Indefinite-lived intangible asset	12,419	12,419
Other assets	425	615
Total assets	166,573	206,928
Current liabilities:
Accounts payable	3,046	4,804
Accrued expenses and other current liabilities	8,825	12,250
Total current liabilities	11,871	17,054
Other long-term liabilities	4,305	4,581
Total liabilities	16,176	21,635
Commitments and contingencies (Note 10)
Stockholders' equity:
Common stock, $0.0001 par value; 200,000,000 shares authorized; 52,858,920 and 49,199,845 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively	5	5
Additional paid-in capital	590,206	568,399
Accumulated deficit	(434,690)	(377,884)
Accumulated other comprehensive loss, net	(5,124)	(5,227)
Total stockholders' equity	150,397	185,293
Total liabilities and stockholders' equity	$ 166,573	$ 206,928