BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 49,080	$ 226,006
Short-term investments	177,984	10,973
Prepaid expenses and other current assets	6,462	3,543
Total current assets	233,526	240,522
Long-term investments	10,772	43,386
Property and equipment, net	3,005	2,413
Other assets	12,381	12,321
Total assets	259,684	298,642
Current liabilities:
Accounts payable	2,093	1,886
Accrued liabilities	10,381	13,265
Total current liabilities	12,474	15,151
Other long-term liabilities	10,340	10,515
Total liabilities	22,814	25,666
Commitments and contingencies (Note 9)
Stockholders' equity:
Preferred stock, $0.0001 par value; 200,000,000 shares authorized; no shares issued and outstanding at June 30, 2022 and December 31, 2021
Common stock, $0.0001 par value; 1,000,000,000 shares authorized; 39,575,454 and 39,430,120 shares issued and outstanding at June 30, 2022 and December 31, 2021, respectively	4	4
Additional paid-in capital	526,651	518,183
Accumulated deficit	(288,554)	(245,108)
Accumulated other comprehensive loss	(1,231)	(103)
Total stockholders' equity	236,870	272,976
Total liabilities and stockholders' equity	$ 259,684	$ 298,642