CONDENSED CONSOLIDATED STATEMENTS OF CASH FLOWS - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash Flows From Operating Activities:
Net loss	$ (8,611)	$ (6,249)
Adjustments required to reconcile net loss to net cash used in operating activities:
Depreciation	6	0
Stock-based compensation	763	985
Amortization of premium or discount on marketable securities	(324)	(777)
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	(768)	(1,294)
Trade payables, accrued expenses, employee related obligations and other long-term liabilities	(2,490)	(611)
Operating lease liabilities	(37)	(34)
Net cash used in operating activities	(11,461)	(7,981)
Cash Flows From Investing Activities:
Proceeds from sale and maturity of marketable securities	33,600	11,600
Purchases of marketable securities	(13,769)	(15,169)
Net cash provided by (used in) investing activities	19,831	(3,569)
Cash Flows From Financing Activities:
Withholdings from exercise of options and issuance of shares for stock-based compensation arrangements, net	(87)	(5)
Net cash used in financing activities	(87)	(5)
Increase (decrease) in cash, cash equivalents and restricted cash	8,283	(11,555)
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	28,209	19,119
Cash and cash equivalents	28,209	19,065
Restricted cash	0	54
Total cash, cash equivalents and restricted cash	$ 28,209	$ 19,119