Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities
Net loss	$ (88,559)	$ (59,675)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation expense	2,530	3,026
Stock-based compensation expense	2,891	3,650
Change in fair value of Contingent Earnout Liability	30,164	10,564
Non-cash interest expense	3,544	737
Change in fair value of derivative liabilities	328	99
Loss on extinguishment of debt	0	2,421
Loss on disposal of property and equipment	0	9
Amortization expense	1,040	1,030
Non-cash operating lease costs	26	24
Amortization of SVB debt discount	0	482
Changes in operating assets and liabilities:
Accounts receivable	0	31
Prepaid expenses and other current assets	283	(3,660)
Accounts payable	(638)	766
Accrued expenses	(221)	(724)
Operating lease obligation	(26)	(24)
Net cash used in operating activities	(48,638)	(41,244)
Cash flows from investing activities
Proceeds from maturity of short-term investments (certificates of deposit)	0	2,107
Purchase of property and equipment	(575)	(1,637)
Net cash (used in) provided by investing activities	(575)	470
Cash flows from financing activities
Proceeds from issuance of stock in public offering, net of underwriting fees	43,396	0
Payments of costs related to public offering	(350)	0
Proceeds from revenue interest purchase agreement, net of issuance costs	20,000	39,377
Payments of transaction costs related to revenue interest purchase agreement	(500)	(1,164)
Proceeds from the exercise of stock options	789	214
Proceeds from JDRF Agreement	240	80
Payments of finance lease principal	(1,247)	(1,091)
Principal payments on SVB loan	0	(31,500)
Payments for debt prepayment and extinguishment costs	0	(310)
Net cash provided by financing activities	62,328	5,606
Net increase (decrease) in cash, cash equivalents and restricted cash	13,115	(35,168)
Cash, cash equivalents and restricted cash at the beginning of the period	80,801	149,772
Cash, cash equivalents and restricted cash at the end of the period	93,916	114,604
Supplemental disclosure:
Cash paid for interest on SVB loan	0	1,613
Supplemental disclosure of noncash activities:
Debt discount from embedded contingent derivative liability	$ 1,552	$ 2,354