Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Operating activities
Net loss	$ (3,256)	$ (19,243)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	1,116	190
Stock-based compensation	4,320	4,884
Non-cash lease expense	164	144
Accretion of discount on marketable debt securities	(1,288)	(607)
Changes in operating assets and liabilities:
Accounts receivable	(8,000)
Prepaid expenses and other assets	(2,046)	486
Accounts payable	(1,365)	(753)
Accrued expenses and other current liabilities	(2,143)	(13,273)
Operating lease liabilities	(552)	1,331
Deferred revenues	(7,660)
Net cash used in operating activities	(20,710)	(26,841)
Investing activities
Redemption of marketable debt securities	74,532
Purchase of marketable debt securities	(92,793)	(94,987)
Purchase of property and equipment	(237)	(4,406)
Net cash used in investing activities	(18,498)	(99,393)
Financing activities
Proceeds from issuance of common stock and pre-funded warrants in private placement, net of offering costs	46,872
Proceeds from issuance of common stock pursuant to ATM program, net of offering costs	10,590
Tax withholding payments related to net settlement of restricted common stock	(196)
Proceeds from the exercise of stock options	245
Net cash provided by financing activities	57,511
Net increase (decrease) in cash, cash equivalents, and restricted cash	18,303	(126,234)
Cash, cash equivalents and restricted cash at beginning of year	11,136	180,765
Cash, cash equivalents and restricted cash at end of period	29,439	54,531
Noncash operating, investing and financing activities:
Property and equipment in accounts payable and accrued expenses		2,261
Reconciliation of cash, cash equivalents and restricted cash:
Cash and cash equivalents	27,967	53,059
Restricted cash	1,472	1,472
Total cash, cash equivalents and restricted cash shown in the statement of cash flows	$ 29,439	$ 54,531