Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 320,448	$ 321,462
Marketable securities	85,095	6,679
Prepaid and other assets	5,598	3,537
Total current assets	411,141	331,678
Property and equipment, net	4,805	1,468
Restricted cash	251	251
Right-of-use asset	10,784	454
Other assets	599	47
Total assets	427,580	333,898
Current liabilities:
Accounts payable and accrued liabilities	14,085	7,745
Accrued compensation	8,940	3,152
Lease liabilities, current portion	1,769	0
Deferred revenue, current portion	4,864	3,690
Total current liabilities	29,658	14,587
Lease liabilities, net of current portion	9,960	938
Deferred revenue, net of current portion	6,532	12,150
Total liabilities	46,150	27,675
Commitments and contingencies (Note 9)	0	0
Stockholders’ equity:
Preferred stock, $0.0001 par value; authorized shares – 40,000; issued and outstanding shares – none	0	0
Common stock, $0.0001 par value; authorized shares – 400,000; issued and outstanding shares – 47,754 and 37,569 at December 31, 2021 and 2020, respectively	5	4
Additional paid-in capital	566,161	372,764
Accumulated other comprehensive loss	(187)	(5)
Accumulated deficit	(184,549)	(66,540)
Total stockholders’ equity	381,430	306,223
Total liabilities and stockholders’ equity	$ 427,580	$ 333,898