Unaudited Condensed Statements of Cash Flows - USD ($) $ in Thousands	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Cash flows from operating activities
Net Income (Loss)	$ (54,892)	$ (96,537)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	697	853
Stock-based compensation	6,990	10,806
Changes in operating assets and liabilities:
Prepaid expenses and other assets	1,038	(1,305)
Accounts payable and accrued expenses	(10,284)	12,533
Accounts payable and accrued expenses - related parties	1,775	0
Right-of-use assets and lease liabilities, net	(477)	(443)
Net cash used in operating activities	(55,153)	(74,093)
Cash flows from investing activities
Purchases of property and equipment	0	(90)
Net cash used in investing activities	0	(90)
Cash flows from financing activities
Proceeds from issuance of common stock under Employee Stock Purchase Plan	244	187
Payments for taxes related to net settlement of equity awards	(46)	(229)
Net cash provided by (used in) financing activities	198	(42)
Net decrease in cash and cash equivalents	(54,955)	(74,225)
Cash and cash equivalents, beginning of period	111,471	215,507
Cash and cash equivalents, end of period	56,516	141,282
Supplemental disclosure of non-cash investing and financing activities
Tax related to net settlement of equity awards included in accounts payable and accrued expenses	$ 0	$ 11