CONDENSED CONSOLIDATED BALANCE SHEETS (UNAUDITED) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 29,859	$ 29,519
Short-term investments	112,231	98,232
Prepaid expenses and other current assets	2,402	4,344
Total current assets	144,492	132,095
Property and equipment, net	2,003	2,092
Operating lease right-of-use assets	4,186	4,770
Long-term investments		41,881
Restricted cash	411	388
Total assets	151,092	181,226
Current liabilities:
Accounts payable	1,504	904
Accrued expenses and other current liabilities	7,019	4,886
Operating lease liabilities, current	776	726
Total current liabilities	9,299	6,516
Operating lease liabilities, long-term	3,644	4,235
Total liabilities	12,943	10,751
Commitments and contingencies (Note 12)
Stockholders’ deficit:
Common stock, par value $0.001; 500,000,000 shares authorized as of September 30, 2023 and December 31, 2022; 22,104,469 and 21,920,402 shares issued and outstanding as of September 30, 2023 and December 31, 2022, respectively.	22	22
Additional paid-in capital	235,597	226,580
Accumulated other comprehensive loss	(302)	(95)
Accumulated deficit	(97,168)	(56,032)
Total stockholders' equity	138,149	170,475
Total liabilities and stockholders' equity	$ 151,092	$ 181,226