CONDENSED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 22,618	$ 27,383
Short-term investments	153,717	158,836
Prepaid expenses and other current assets	4,927	2,941
Total current assets	181,262	189,160
Property and equipment, net	6,525	6,158
Operating lease right-of-use assets	22,607	24,445
Restricted cash	1,565	1,565
Long-term investments	47,281	85,348
Other assets	997	1,042
Total assets	260,237	307,718
Current liabilities:
Accounts payable	3,362	3,574
Accrued expenses and other current liabilities	9,607	12,384
Deferred revenue	3,508	2,869
Operating lease liabilities	2,145	2,501
Total current liabilities	18,622	21,328
Operating lease liabilities, net of current portion	20,749	21,854
Deferred revenue, non-current	12,698	14,207
Other long-term liabilities	200	210
Total liabilities	52,269	57,599
Commitments and contingencies (Note 7)
Stockholders' equity (deficit):
Preferred stock, $0.00001 par value, authorized share-10,000,000 shares authorized at June 30, 2022 and December 31, 2021; zero shares issued and outstanding at June 30, 2022 and December 31, 2021	0	0
Common stock, $0.00001 par value; 200,000,000 shares authorized at June 30, 2022 and December 31, 2021; 37,641,459 and 37,399,694 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively	0	0
Additional paid-in capital	463,103	457,430
Accumulated other comprehensive loss	(1,803)	(321)
Accumulated deficit	(253,332)	(206,990)
Total stockholders' equity (deficit):	207,968	250,119
Total liabilities, convertible preferred stock, and stockholders' equity (deficit)	$ 260,237	$ 307,718