Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024
Cash flows from operating activities:
Net loss	$ (35,963)	$ (21,520)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation	223	264
Amortization of intangible assets	333	333
Stock-based compensation	10,870	3,811
Non-cash lease expense	556	438
Changes in operating assets and liabilities:
Inventory	(51)	0
Prepaid expenses and other current assets	(423)	(82)
Other receivables	(14)	3
Accounts payable	1,044	(286)
Accrued expenses	(2,250)	(635)
Lease liabilities	(653)	(501)
Net cash used in operating activities	(26,328)	(18,175)
Cash flows from investing activities:
Purchases of property and equipment	(148)	(34)
Purchases of intangible assets	(20)	0
Net cash used in investing activities	(168)	(34)
Cash flows from financing activities:
Proceeds from issuance of common stock under employee stock purchase plan	352	296
Proceeds from exercises of warrants, net of issuance costs	14,063	0
Proceeds from exercises of stock options	392	22
Issuance cost in relation to rights offering	0	(278)
Net cash provided by financing activities	14,807	40
Net decrease in cash and cash equivalents	(11,689)	(18,169)
Cash and cash equivalents at beginning of period	118,038	44,365
Cash and cash equivalents at end of period	106,349	26,196
Supplemental disclosure of noncash investing and financing activities:
Equipment purchases included in accounts payable	24	16
Rights offering deemed pro-rata distribution to shareholders	0	47,700
Other receivable from exercises of warrants	4	0
Issuance costs in accounts payable and accrued expenses	$ 1	$ 71