Condensed Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 20,784	$ 21,943
Marketable securities	154,700	182,817
Prepaid expenses and other current assets	1,355	1,628
Total current assets	176,839	206,388
Property and equipment, net	856	989
Other long-term assets	186	3
Operating lease right-of-use assets	5,007	5,467
Total assets	182,888	212,847
Current liabilities:
Accounts payable	2,001	1,811
Accrued expenses	3,747	6,711
Current portion of operating lease liabilities	1,466	1,452
Total current liabilities	7,214	9,974
Operating lease liabilities, net of current portion	4,284	4,807
Total liabilities	11,498	14,781
Commitments and contingencies (Note 8)
Stockholders' equity:
Preferred stock, $0.001 par value; authorized shares—10,000,000 at June 30, 2025 and December 31, 2024; no shares issued or outstanding at June 30, 2025 and December 31, 2024.	0	0
Additional paid-in-capital	320,649	315,371
Accumulated deficit	(149,432)	(117,402)
Accumulated other comprehensive income	147	71
Total stockholders' equity	171,390	198,066
Total liabilities and stockholders' equity	182,888	212,847
Common Class A [Member]
Stockholders' equity:
Common stock	19	19
Common Class B [Member]
Stockholders' equity:
Common stock	$ 7	$ 7

Carrying value as of the balance sheet date of liabilities incurred (and for which invoices have typically been received) and payable to vendors for goods and services received that are used in an entity's business. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).

Name:	us-gaap_AccountsPayableCurrent
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Definition

Carrying value as of the balance sheet date of obligations incurred and payable, pertaining to costs that are statutory in nature, are incurred on contractual obligations, or accumulate over time and for which invoices have not yet been received or will not be rendered. Examples include taxes, interest, rent and utilities. Used to reflect the current portion of the liabilities (due within one year or within the normal operating cycle if longer).