Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Current assets:
Cash and cash equivalents	$ 74,843	$ 268,565
Short-term investments	167,872	82,641
Prepaid expenses and other current assets	4,978	2,805
Total current assets	247,693	354,011
Restricted cash	1,166
Property and equipment, net	17,848	1,935
Operating lease right-of-use assets	20,333
Total assets	287,040	355,946
Current liabilities:
Accounts payable	11,153	3,734
Accrued liabilities	9,250	6,497
Deferred rent, current		391
Operating lease liabilities, current	1,202
Other current liabilities	139
Total current liabilities	21,744	10,622
Deferred rent		1,046
Operating lease liabilities, non-current	33,387
Total liabilities	55,131	11,668
Commitments and contingencies (Note 5)
Stockholders’ equity:
Preferred stock, $0.001 par value; 5,000,000 shares authorized as of December 31, 2021 and 2020, respectively; no shares issued and outstanding as of December 31, 2021 and 2020, respectively
Common stock, $0.001 par value; 300,000,000 shares authorized as of December 31, 2021 and 2020, respectively; 38,560,854 and 38,157,618 shares issued and outstanding as of December 31, 2021 and 2020, respectively	39	38
Additional paid-in capital	528,365	510,309
Accumulated other comprehensive loss	(180)	(77)
Accumulated deficit	(296,315)	(165,992)
Total stockholders' equity	231,909	344,278
Total liabilities and stockholders’ equity	$ 287,040	$ 355,946