Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024
Cash flows from operating activities:
Net loss	$ (55,348)	$ (34,200)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	313	391
Amortization of intangible assets	499	500
Stock-based compensation	16,487	6,793
Non-cash lease expense	847	668
Changes in operating assets and liabilities:
Accounts receivable	(15)	0
Inventory	(57)	0
Prepaid expenses and other current assets	(538)	(394)
Other receivables	(14)	7
Other long-term assets	(28)	0
Accounts payable	1,318	(194)
Accrued expenses	(1,823)	7
Lease liabilities	(1,008)	(777)
Net cash used in operating activities	(39,367)	(27,199)
Cash flows from investing activities:
Purchases of property and equipment	(210)	(72)
Purchases of intangible assets	(20)	0
Net cash used in investing activities	(230)	(72)
Cash flows from financing activities:
Proceeds from issuance of common stock under employee stock purchase plan	593	478
Proceeds from issuance of common stock and warrants in relation to rights offering, net of issuance costs	0	59,649
Proceeds from exercises of warrants, net of issuance costs	14,080	1,536
Proceeds from exercises of stock options	2,100	498
Issuance costs in relation to at-the-market equity offering	0	(222)
Net cash provided by financing activities	16,773	61,939
Net (decrease) increase in cash and cash equivalents	(22,824)	34,668
Cash and cash equivalents at beginning of period	118,038	44,365
Cash and cash equivalents at end of period	95,214	79,033
Supplemental disclosure of noncash investing and financing activities:
Equipment purchases included in accounts payable and accrued expenses	24	13
Issuance costs in accounts payable and accrued expenses	1	72
Other receivable from exercises of warrants	0	30
Rights offering deemed pro-rata distribution to shareholders	$ 0	$ 47,700