Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Operating activities
Net income (loss)			$ 28,539	$ (48,562)
Adjustments to reconcile net income (loss) to net cash provided by (used in) operating activities:
Depreciation expense	$ 400	$ 600	855	1,133
Stock-based compensation expense	4,344	3,363	8,260	7,616
Net (accretion of discounts) amortization of premiums on marketable securities			(2,295)	(3,078)
Changes in operating assets and liabilities:
Unbilled accounts receivable			(1,796)	(427)
Prepaid expenses and other current assets			1,266	242
Operating lease assets and liabilities			(350)	(337)
Other assets			22	110
Accounts payable			807	251
Accrued expenses and other liabilities			(1,693)	(1,428)
Deferred revenue			0	(421)
Net cash provided by (used in) operating activities			33,615	(44,901)
Investing activities
Purchases of marketable securities			(119,054)	(143,832)
Maturities of marketable securities			144,702	70,132
Purchases of property and equipment			(28)	(366)
Net cash provided by (used in) investing activities			25,620	(74,066)
Financing activities
Proceeds from issuance of common stock in connection with follow-on offering, net of issuance costs			0	117,345
Proceeds from issuance of common stock under benefit plans, net			2,028	490
Net cash provided by financing activities			2,028	117,835
Net increase (decrease) in cash, cash equivalents and restricted cash			61,263	(1,132)
Cash, cash equivalents, and restricted cash, beginning of period			26,655	36,190
Cash, cash equivalents, and restricted cash, end of period	87,918	35,058	87,918	35,058
Supplemental cash flow information
Cash paid for operating lease liabilities			1,478	1,646
Non-cash investing and financing activities:
Property and equipment purchases unpaid at end of period			19	47
Cash and cash equivalents	86,702	33,966	86,702	33,966
Restricted cash	1,216	1,092	1,216	1,092
Total cash, cash equivalents, and restricted cash	$ 87,918	$ 35,058	$ 87,918	$ 35,058