Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 59,050	$ 110,761
Prepaid expenses and other current assets	1,789	2,242
Total current assets	60,839	113,003
Property and equipment, net	618	1,025
Operating lease right-of-use asset	387	770
Other assets	273	109
Total assets	62,117	114,907
Current liabilities:
Accounts payable	1,433	2,968
Accrued expenses and other current liabilities	3,939	7,026
Operating lease liabilities, current portion	549	536
Total current liabilities	5,921	10,530
Long-term operating lease liabilities		549
Other long-term liabilities	12
Total liabilities	5,933	11,079
Commitments and contingencies
Stockholders' equity:
Additional paid-in capital	270,424	258,551
Accumulated deficit	(214,241)	(154,724)
Total stockholders' equity	56,184	103,828
Total liabilities and stockholders' equity	62,117	114,907
Class A Common Stock [Member]
Stockholders' equity:
Common stocks	1	1
Class B Common Stock [Member]
Stockholders' equity:
Common stocks	$ 0	$ 0