BALANCE SHEETS - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 9,244	$ 27,383
Short-term investments	159,644	158,836
Prepaid expenses and other current assets	3,858	2,941
Total current assets	172,746	189,160
Property and equipment, net	6,453	6,158
Operating lease right-of-use assets	22,072	24,445
Restricted cash	1,565	1,565
Long-term investments	23,943	85,348
Other assets	1,028	1,042
Total assets	227,807	307,718
Current liabilities:
Accounts payable	3,594	3,574
Accrued expenses and other current liabilities	15,140	12,384
Deferred revenue	1,993	2,869
Operating lease liabilities	2,391	2,501
Total current liabilities	23,118	21,328
Operating lease liabilities, net of current portion	20,220	21,854
Deferred revenue, non-current	12,921	14,207
Other long-term liabilities	42	210
Total liabilities	56,301	57,599
Commitments and contingencies (Note 7)
Stockholders' equity (deficit):
Preferred stock, $0.00001 par value, authorized shares - 10,000,000 shares authorized at December 31, 2022 and 2021; zero shares issued and outstanding at December 31, 2022 and 2021
Common stock, $0.00001 par value; 200,000,000 shares authorized at December 31, 2022 and 2021; 37,797,902 and 37,399,694 shares issued and outstanding at December 31, 2022 and 2021, respectively	0	0
Additional paid-in capital	467,513	457,430
Accumulated other comprehensive loss	(919)	(321)
Accumulated deficit	(295,088)	(206,990)
Total stockholders' equity (deficit):	171,506	250,119
Total liabilities, convertible preferred stock, and stockholders' equity (deficit)	$ 227,807	$ 307,718