CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 38,946	$ 24,027
Marketable securities	210,122	165,627
Prepaid expenses and other current assets	3,626	3,319
Total current assets	252,694	192,973
Property and equipment, net	2,539	2,741
Operating lease right-of-use assets	6,940
Other assets	4,036	2,922
Total assets	266,209	198,636
Current liabilities:
Accounts payable	3,365	1,999
Accrued expenses	8,656	6,326
Deferred revenue, current		1,016
Operating lease liabilities, current	2,171
Other current liabilities	32	254
Total current liabilities	14,224	9,595
Deferred revenue, net of current portion		511
Deferred rent, net of current portion		2,150
Operating lease liabilities, non-current	6,819
Total liabilities	21,043	12,256
Commitments (see note 6)
Stockholders' equity:
Preferred stock, $0.0001 par value: 50,000,000 shares authorized; no shares issued and outstanding at December 31, 2022 and 2021
Common stock, $0.0001 par value; 500,000,000 shares authorized;34,254,314 and 29,555,119 shares issued and outstanding at December 31, 2022 and 2021, respectively	3	3
Additional paid-in capital	613,073	470,629
Accumulated other comprehensive loss	(26)	(206)
Accumulated deficit	(367,884)	(284,046)
Total stockholders' equity	245,166	186,380
Total liabilities and stockholders' equity	$ 266,209	$ 198,636