CONDENSED CONSOLIDATED BALANCE SHEETS - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 24,151	$ 135,704
Restricted cash	216	70
Short-term investments	88,588
Other current assets	5,109	5,310
Total current assets	118,064	141,084
Operating lease right-of-use assets	6,167	6,559
Property and equipment, net	3,046	3,259
Other assets	625	625
Total assets	127,902	151,527
Current liabilities:
Accounts payable	2,842	2,517
Accrued liabilities	12,043	16,842
Operating lease liabilities, current	3,269	3,229
Finance lease liabilities, current	5	10
Deferred revenue from customers, current	721	1,224
Deferred revenue from collaborations, current		84
Total current liabilities	18,880	23,906
Operating lease liabilities, net of current portion	6,994	7,668
Finance lease liabilities, net of current portion	217	231
Warrant liability	41,969	27,596
Long term liability	46	46
Total liabilities	68,106	59,447
Commitments and contingencies (Note 11)
Stockholders’ equity:
Preferred Stock, $0.0001 par value; 10,000,000 shares authorized as of March 31, 2024 and December 31, 2023, respectively; no shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively.
Common stock, $0.0001 par value; 320,000,000 shares authorized as of March 31, 2024 and December 31, 2023, respectively; 75,668,521 and 42,922,980 shares issued and outstanding as of March 31, 2024 and December 31, 2023, respectively.	7	7
Additional paid-in capital	580,973	578,325
Accumulated deficit	(521,660)	(486,797)
Accumulated other comprehensive income	476	545
Total stockholders’ equity	59,796	92,080
Total liabilities and stockholders’ equity	$ 127,902	$ 151,527