STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities
Net loss	$ (60,377)	$ (42,381)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation	6,408	12,301
Depreciation expense	288	399
Non cash interest expense	1,571	338
Loss on disposal of fixed assets	141	61
Amortization of operating lease right-of-use asset	246	220
Amortization of finance lease right-of-use asset	482	0
Impairment of right-of-use asset	260	0
Changes in operating assets and liabilities:
Prepaid expenses and other assets	(1,499)	1,007
Collaboration revenue receivable, billed and unbilled	84	361
Accounts receivable	4,401	(3,946)
Accounts payable	(1,499)	1,623
Accrued expenses and other current liabilities	4,886	6,171
Operating lease liability	(255)	(224)
Net cash used in operating activities	(44,863)	(24,070)
Cash flows from investing activities
Purchases of property and equipment	(27)	(135)
Net cash used in investing activities	(27)	(135)
Cash flows from financing activities
Proceeds from exercise of stock options	154	7
Repayment of financing lease	(550)	0
Payment of debt amendment fees	(1,139)	0
Proceeds from issuance of debt, net of issuance costs	0	44,105
Proceeds from issuance of common stock and pre-funded warrants, net of issuance costs	0	30,301
Payment of equity issuance costs	(163)	(173)
Net cash (used in) provided by financing activities	(1,698)	74,240
Net (decrease) increase in cash and cash equivalents	(46,588)	50,035
Cash and cash equivalents at the beginning of the period	69,547	34,273
Cash and cash equivalents at the end of the period	22,959	84,308
Supplemental disclosure of noncash investing and financing activities:
Property and equipment purchases in accounts payable or accrued expenses and other current liabilities at period end	0	93
Cash paid for interest	5,492	1,319
Right-of-use asset obtained in exchange for lease obligation	1,976	116
Common stock warrants issued with debt	$ 0	$ 2,041