CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Cash flows from operating activities:
Net gain (loss)	$ 1,029	$ (6,838)
Adjustments to reconcile net loss to net cash used in operating activities:
Amortization of debt discount and issuance costs	29	25
Depreciation expense	123	127
Stock-based compensation expense	417	296
Non-cash lease expense	141	133
Loss from equity method investment	176	0
Change in fair value of convertible notes	(15,890)	43
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	1,332	426
Other noncurrent assets	(600)	23
Accounts payable	928	(823)
Operating lease liability	(131)	(115)
Accrued expenses and other current liabilities	(2,218)	(2,847)
Other noncurrent liabilities	113	0
Deferred revenue	0	(2,946)
Net cash used in operating activities	(14,551)	(12,496)
Cash flows from investing activities:
Purchases of property and equipment	0	(5)
Maturities of short-term investments	97	0
Net cash used in investing activities	97	(5)
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	(2,812)	0
Proceeds from exercise of common stock options	0	15
Net cash provided by financing activities	99,346	15
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents	84,892	(12,486)
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	116,156	37,054
Supplemental disclosure of non-cash operating, investing and financing activities:
Interest payments on venture debt	115	119
Short Term Investments Acquired In reverse recapitalization	19,905	0
Issuance of CVR at fair value	180	0
Transaction Costs of Reverse Recapitalization in Accounts Payable and Accrued expenses	$ 7,201	$ 0