CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Cash Flows From Operating Activities:
Net loss	$ (5,755)	$ (9,406)	$ (14,366)	$ (15,655)
Adjustments required to reconcile net loss to net cash used in operating activities:
Depreciation			12	0
Stock-based compensation			1,292	1,870
Amortization of premium or discount on marketable securities			(538)	(1,393)
Unrealized losses on cash equivalents			0	(1)
Changes in operating assets and liabilities:
Trade receivables, prepaid expenses and other assets and operating lease right-of-use assets			306	(4,124)
Trade payables, accrued expenses, employee related obligations and other long-term liabilities			(8,896)	2,909
Operating lease liabilities			(74)	(69)
Net cash used in operating activities			(22,264)	(16,463)
Cash Flows From Investing Activities:
Proceeds from sale and maturity of marketable securities			47,850	37,500
Purchases of marketable securities			(23,344)	(22,049)
Net cash provided by investing activities			24,506	15,451
Cash Flows From Financing Activities:
Withholdings from exercise of options and issuance of shares for stock-based compensation arrangements, net			(121)	(7)
Net cash used in financing activities			(121)	(7)
Increase (decrease) in cash, cash equivalents and restricted cash			2,121	(1,019)
Cash, cash equivalents and restricted cash at beginning of the period			19,926	30,674
Cash, cash equivalents and restricted cash at end of the period	22,047	29,655	22,047	29,655
Cash and cash equivalents	22,047	29,609	22,047	29,609
Restricted cash	0	46	0	46
Total cash, cash equivalents and restricted cash	$ 22,047	$ 29,655	22,047	29,655
Supplementary information on investing and financing activities not involving cash flows:
Issuance of vested shares under employee stock purchase plan			13	11
Cashless exercise of pre-funded warrants			$ 1	$ 0