Condensed Consolidated Statements of Cash Flows (Unaudited) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023
Cash flows from operating activities:
Net loss	$ (42,589)	$ (22,000)
Adjustments to reconcile net loss to net cash used in operating activities:
Depreciation and amortization	65	16
Amortization of right-of-use assets	71	31
Foreign currency gain (loss)	146	(62)
Amortization of debt issuance costs	135	135
Accretion on premium to short-term investments	(2,495)	(1,837)
Stock-based compensation	4,453	1,822
Changes in operating assets and liabilities:
Prepaid expenses and other current assets	(2,677)	377
Non-current assets	(814)	(792)
Accounts payable and accrued expenses and other current liabilities	566	12
Net cash used in operating activities	(43,139)	(22,298)
Cash flows from investing activities:
Purchase of property and equipment	(31)	(229)
Purchase of available-for-sale securities, net	(34,138)	(60,872)
Maturities of available-for-sale securities	74,500	54,000
Net cash provided by (used in) investing activities	40,331	(7,101)
Cash flows from financing activities:
Proceeds from exercise of stock options, net	62	131
Reimbursement of commissions from the prior issuance of common stock upon at the market sales, net	46
Repurchase of shares for minimum tax withholdings	(4)	(1)
Net cash provided by financing activities	104	130
Effect of exchange rate changes on cash and cash equivalents	(17)	(86)
Decrease in cash and cash equivalents	(2,721)	(29,355)
Cash and cash equivalents beginning of period	26,585	52,100
Cash and cash equivalents end of period	23,864	22,745
Supplemental disclosure of cash flow information:
Cash paid for interest	$ 1,078	$ 973