Condensed Consolidated Statements of Cash Flows - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2026	Mar. 31, 2025
Cash flows used in operating activities:
Net loss	$ (25,129)	$ (26,322)
Adjustments to reconcile net loss to cash used in operating activities:
Stock-based compensation expense	2,671	5,507
Depreciation and amortization expense	404	456
Reduction in carrying amount of right-of-use asset	1,441	1,649
Net accretion of discounts on marketable securities	(1,089)	(783)
Other	30	26
Changes in operating assets and liabilities:
Accounts receivable	(482)	(4,926)
Prepaid expenses and other current and long-term assets	122	341
Accounts payable	(85)	(645)
Accrued expenses and other current liabilities	(3,522)	(6,730)
Operating lease liability	(1,536)	(1,391)
Deferred revenue	(2,769)	(467)
Net cash used in operating activities	(29,944)	(33,285)
Cash flows provided by (used in) investing activities:
Proceeds from maturities of marketable securities	57,029	54,765
Purchases of marketable securities	(40,812)	(25,640)
Purchases of property and equipment, net	(64)	0
Net cash provided by investing activities	16,153	29,125
Cash flows provided by (used in) financing activities:
Proceeds from exercise of stock options	605	0
Proceeds from exercise of warrants	1	0
Payments for repurchase of common stock for tax withholding	(200)	(155)
Other	56	109
Net cash provided by (used in) financing activities	462	(46)
Net change in cash, cash equivalents and restricted cash	(13,329)	(4,206)
Cash, cash equivalents and restricted cash at beginning of period	78,046	58,942
Cash, cash equivalents and restricted cash at end of period	64,717	54,736
Reconciliation of cash, cash equivalents and restricted cash:
Cash, cash equivalents and restricted cash at end of period	64,717	54,736
Less: restricted cash	(3,443)	(3,443)
Cash and cash equivalents at end of the period	61,274	51,293
Supplemental disclosures of cash flow information:
Cash paid for leases	2,317	2,249
Supplemental disclosures of non-cash investing activities:
Capital expenditures in accounts payable and accrued expenses	$ 38	$ 0