CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities:
Net loss	$ (49,061)	$ (59,787)
Adjustments to reconcile net loss to net cash used in operating activities:
Accretion of discount on investments	(1,411)	(424)
Amortization of right of use assets	1,165	1,129
Impairment of right of use assets		724
Change in fair value of warrant liability	(16,001)
Loss on disposal of assets		17
Depreciation expense	786	1,165
Stock-based compensation including ESPP	6,747	10,069
Changes in operating assets and liabilities:
Other assets	512	3,472
Accounts payable	223	(1,796)
Accrued liabilities	(2,681)	(3,657)
Operating lease liabilities	(1,966)	(1,805)
Other liabilities		46
Deferred revenue from collaborations	(84)	(6,650)
Deferred revenue from customers	(569)	1,158
Net cash and cash equivalents used in operating activities	(62,340)	(56,339)
Activities in available-for-sale investments:
Maturities of short-term investments	70,000	45,011
Purchase of short-term investments	(108,149)	(11)
Purchases of property and equipment	(102)	(12)
Net cash and cash equivalents (used in) provided by investing activities	(38,251)	44,988
Cash flows from financing activities:
Proceeds from issuance of common stock upon exercise of pre funded warrants	1
Payments on finance lease	(40)	(92)
Proceeds from the ESPP purchase	297	461
Proceeds from the exercise of common stock option		23
Net cash and cash equivalents provided by financing activities	258	392
Net decrease in cash, cash equivalents, and restricted cash	(100,333)	(10,959)
Cash, cash equivalents, and restricted cash, beginning of period	135,774	81,462
Cash, cash equivalents, and restricted cash, end of period	35,441	70,503
Reconciliation to amounts on the Consolidated Balance Sheets:
Cash and cash equivalents	35,331	70,429
Restricted cash	110	74
Total cash, cash equivalents, and restricted cash	35,441	70,503
Supplemental disclosures of noncash financing and investing activities:
Mark to market adjustment for available-for-sale investments	$ 32	96
Acquisition of right of use asset through operating lease obligation		1,094
Vesting of early exercised options		$ 59