Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Current assets:
Cash and cash equivalents	$ 321,462	$ 94,578
Marketable securities	6,679
Prepaid and other assets	3,537	1,098
Total current assets	331,678	95,676
Property and equipment, net	1,468	631
Restricted cash	251
Other assets	501	600
Total assets	333,898	96,907
Current liabilities:
Accounts payable and accrued liabilities	7,745	2,308
Accrued compensation	3,152	1,314
Deferred revenue, current portion	3,690	3,840
Long-term debt, current portion		2,774
Total current liabilities	14,587	10,236
Lease liabilities, net of current portion	938	393
Deferred revenue, net of current portion	12,150	15,100
Long-term debt, net of current portion		1,770
Other long-term liabilities		45
Total liabilities	27,675	27,544
Commitments and contingencies (Note 9)
Convertible preferred stock, $0.0001 par value; authorized shares – none and 38,055 at December 31, 2020 and 2019, respectively; issued and outstanding shares – none and 37,267 at December 31, 2020 and 2019, respectively		134,720
Stockholders’ equity (deficit):
Preferred stock, $0.0001 par value; authorized shares – 40,000 and none at December 31, 2020 and 2019, respectively; issued and outstanding shares – none
Common stock, $0.0001 par value; authorized shares – 400,000 and 52,042 at December 31, 2020 and 2019, respectively; issued and outstanding shares – 37,569 and 2,989 at December 31, 2020 and 2019, respectively	4
Additional paid-in capital	372,764	(43,172)
Accumulated other comprehensive loss	(5)
Accumulated deficit	(66,540)	(22,185)
Total stockholders’ equity (deficit)	306,223	(65,357)
Total liabilities, convertible preferred stock and stockholders’ equity (deficit)	$ 333,898	$ 96,907