CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows from operating activities:
Net income (loss)	$ (7,609)	$ (11,031)
Adjustments to reconcile net income loss to net cash used in operating activities:
Amortization of debt discount and issuance costs	33	48
Depreciation expense	90	119
Stock-based compensation expense	1,548	1,342
Non-cash lease expense	163	151
Loss on impairment of equity investment	0	74
Change in fair value of CVR liability	0	(960)
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	302	763
Other noncurrent assets	0	(328)
Accounts payable	(226)	(277)
Operating lease liability	(168)	(149)
Accrued expenses and other current liabilities	(476)	(2,234)
Net cash used in operating activities	(6,343)	(12,482)
Cash flows from investing activities:
Net cash provided by investing activities	0	0
Cash flows from financing activities:
Principal payments on venture debt	(1,563)	0
Proceeds from issuance of common stock and pre-funded warrants in Registered Direct Offering, net of issuance costs	10,360	0
Net cash provided by financing activities	8,797
Net increase (decrease) in cash, cash equivalents, restricted cash and restricted cash equivalents	2,454	(12,482)
Cash, cash equivalents, restricted cash and restricted cash equivalents at beginning of period	48,944	78,612
Cash, cash equivalents, restricted cash and restricted cash equivalents at end of period	51,398	66,130
Supplemental disclosure of non-cash operating, investing and financing activities:
Interest payments on venture debt	175	247
Deferred transaction costs included in accrued expenses and other current liabilities	$ 325	$ 0