CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Current assets:
Cash and cash equivalents	$ 104,562	$ 186,816
Restricted cash	1,559	164
Short-term investments	78,660	3,918
Other current assets	10,295	13,526
Total current assets	195,076	204,424
Operating lease right-of-use assets	8,760	8,789
Property and equipment, net	6,018	6,180
Long-term investments		15,110
Other assets	616	866
Total assets	210,470	235,369
Current liabilities:
Accounts payable	3,755	3,015
Accrued liabilities	19,239	25,394
Operating lease liabilities, current	3,157	2,769
Finance lease liabilities, current	138	138
Deferred revenue from collaborations, current	15,067	7,641
Total current liabilities	41,356	38,957
Operating lease liabilities, net of current portion	10,851	11,287
Finance lease liabilities, net of current portion	231	261
Other liabilities	134	133
Deferred revenue from collaborations, net of current portion	5,012
Total liabilities	57,584	50,638
Commitments and contingencies (Note 9)
Stockholders’ equity:
Preferred Stock, $0.0001 par value; 10,000,000 shares authorized as of March 31, 2022 (unaudited) and December 31, 2021, respectively; no shares issued and outstanding as of March 31, 2022 (unaudited) and December 31, 2021, respectively.
Common stock, $0.0001 par value; 320,000,000 shares authorized as of March 31, 2022 (unaudited) and December 31, 2021, respectively; 42,695,195 and 42,690,229 shares issued and outstanding as of March 31, 2022 (unaudited) and December 31, 2021, respectively.	4	4
Additional paid-in capital	491,365	487,347
Accumulated deficit	(338,687)	(303,072)
Accumulated other comprehensive loss	204	452
Total stockholders’ equity	152,886	184,731
Total liabilities and stockholders’ equity	$ 210,470	$ 235,369