CONDENSED STATEMENTS OF CASH FLOWS (Unaudited) - USD ($) $ in Thousands	6 Months Ended		12 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Dec. 31, 2023
Cash flows used in operating activities
Net Loss	$ (31,052)	$ (31,127)
Adjustments to reconcile net loss to net cash used in operating activities:
Stock-based compensation expense	4,656	4,011
Non-cash operating lease expense		40
Net accretion of discount on investments	(1,981)	(896)
Changes in operating assets and liabilities:
Prepaid expenses and other assets	314	(426)
Accounts payable	(791)	1,009
Accrued compensation	(2,178)	(597)
Accrued liabilities	(838)	3,606
Operating lease liabilities		(40)
Other current liabilities	(107)
Net cash used in operating activities	(31,977)	(24,420)
Cash flows from investing activities
Purchases of investments	(12,590)	(27,136)
Maturities of investments	55,340	45,900
Net cash provided by investing activities	42,750	18,764
Cash flows from financing activities
Proceeds from issuance of common stock from the "at-the-market" offering, net of commissions and offering expenses		19,050
Proceeds from issuance of common stock under the ESPP	124	199
Proceeds from exercise of stock options	225
Net cash provided by financing activities	349	19,249
Net increase in cash and cash equivalents	11,122	13,593
Cash and cash equivalents at the beginning of the period	15,647	27,219	$ 27,219
Cash and cash equivalents at the end of the period	$ 26,769	40,812	$ 15,647
Supplemental disclosure of noncash financing items
Deferred offering costs included in accounts payable and accrued liabilities		$ 450