Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Cash flows from operating activities:
Net loss	$ (16,633)	$ (10,787)
Adjustment to Reconcile Net Income to Cash Provided by (Used in) Operating Activity [Abstract]
Depreciation and amortization	140	154
Share-based compensation	2,514	2,003
Amortization of premium and discount on marketable securities	26	(376)
ROU asset amortization	224	309
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	5,481	936
Accounts payable	(672)	(3,236)
Accrued expenses	6,927	(699)
Operating lease liability	(253)	(320)
Net cash used in operating activities	(13,208)	(13,888)
Cash flows from investing activities:
Purchase of property and equipment	(18)	0
Purchases of marketable securities	(24,832)	(41,878)
Proceeds from sale or maturities of marketable securities	36,438	37,779
Net cash provided by (used in) investing activities	11,588	(4,099)
Cash flows from financing activities:
Proceeds from issuance of common stock	0	(18,113)
Issuance costs from issuance of common stock	0	(544)
Taxes paid related to net shares settlement of RSUs	(815)	(136)
Net cash provided by (used in) financing activities	(815)	17,433
Net change in cash and cash equivalents and restricted cash	(2,435)	(554)
Cash and cash equivalents and restricted cash at beginning of period	44,051	24,548
Cash and cash equivalents and restricted cash at end of period	41,616	23,994
Cash, Cash Equivalent, Restricted Cash, and Restricted Cash Equivalent, Continuing Operation [Abstract]
Cash and cash equivalents	41,048	43,483
Restricted cash	568	320
Total cash, cash equivalents and restricted cash	41,616	43,803
Supplemental disclosure of cash flow information
Unrealized loss on marketable securities	$ (20)	$ (127)