CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Current assets:
Cash and cash equivalents	$ 78,671	$ 81,347
Restricted cash	397	115
Short-term investments	24,845	44,480
Other current assets	5,516	7,603
Total current assets	109,429	133,545
Operating lease right-of-use assets	7,308	7,698
Property and equipment, net	4,369	4,816
Other assets	632	634
Total assets	121,738	146,693
Current liabilities:
Accounts payable	2,822	4,737
Accrued liabilities	15,081	16,039
Operating lease liabilities, current	3,041	3,035
Finance lease liabilities, current	108	108
Deferred revenue from customers, current	467	467
Deferred revenue from collaborations, current	6,560	8,743
Total current liabilities	28,079	33,129
Operating lease liabilities, net of current portion	8,611	9,201
Finance lease liabilities, net of current portion	205	230
Deferred revenue from customers, net of current portion	93	233
Total liabilities	36,988	42,793
Commitments and contingencies (Note 10)
Stockholders’ equity:
Preferred Stock, $0.0001 par value; 10,000,000 shares authorized as of March 31, 2023 (unaudited) and December 31, 2022, respectively; no shares issued and outstanding as of March 31, 2023 (unaudited) and December 31, 2022, respectively.
Common stock, $0.0001 par value; 320,000,000 shares authorized as of March 31, 2023 (unaudited) and December 31, 2022, respectively; 42,940,089 and 42,922,980 shares issued and outstanding as of March 31, 2023 (unaudited) and December 31, 2022, respectively	4	4
Additional paid-in capital	506,320	502,613
Accumulated deficit	(422,073)	(399,118)
Accumulated other comprehensive income	499	401
Total stockholders’ equity	84,750	103,900
Total liabilities and stockholders’ equity	$ 121,738	$ 146,693