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	$ (15,949)	$ (12,645)
Adjustments to reconcile net income (loss) to net cash used in operating activities:
Amortization of debt discount and issuance costs	95	50
Amortization of premium on short-term investments	(206)	0
Depreciation expense	244	251
Stock-based compensation expense	1,753	606
Non-cash lease expense	285	268
Loss from equity method investment	1,625	0
Change in fair value of CVR liability	(1,390)	0
Change in fair value of convertible notes	(15,890)	(1,260)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	215	(20)
Other noncurrent assets	(596)	45
Accounts payable	(1,547)	(733)
Operating lease liability	(492)	(231)
Accrued expenses and other current liabilities	(4,912)	(4,042)
Deferred revenue	0	(6,152)
Net cash used in operating activities	(36,765)	(23,863)
Cash flows from investing activities:
Purchases of property and equipment	(15)	(4)
Maturities of short-term investments	10,000	0
Net cash provided by (used in) investing activities	9,985	(4)
Cash flows from financing activities:
Proceeds from borrowings under loan and security agreement, net	7,000	0
Proceeds from issuance of common stock in pre-closing financing, net	42,000	0
Cash acquired in connection with reverse recapitalization	53,158	0
Payment of reverse recapitalization transaction costs	(8,714)	0
Proceeds from exercise of common stock options	380	30
Net cash provided by financing activities	93,824	30
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents	67,044	(23,837)
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period	31,264	49,540
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	98,308	25,703
Supplemental disclosure of non-cash operating, investing and financing activities:
Interest payments on venture debt	338	196
Short Term Investments Acquired In reverse recapitalization	19,905	0
Issuance of CVR at fair value	$ 180	$ 0