Consolidated Balance Sheets - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 49,464	$ 49,255
Marketable securities, available for sale	43,720	33,852
Prepaid expenses and other current assets	1,542	4,857
Total current assets	94,726	87,964
Property and equipment, net	34	59
Other non-current assets	866	1,068
Total assets	95,626	89,091
Current liabilities:
Accounts payable	559	507
Accrued expenses	3,908	3,638
Total current liabilities	4,467	4,145
Non-current liabilities:
Long-term debt, net of discount	31,134	30,137
Total liabilities	35,601	34,282
Commitments and contingencies (see Note 13)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of December 31, 2024 and 2023, respectively; no shares issued or outstanding as of December 31, 2024 and 2023, respectively	0	0
Common stock, $0.0001 par value; 500,000,000 shares authorized as of December 31, 2024 and 2023, respectively; 59,198,230 and 42,470,264 shares issued as of December 31, 2024 and 2023, respectively; 59,131,149 and 42,422,531 shares outstanding as of December 31, 2024 and 2023, respectively	6	4
Additional paid-in capital	300,520	250,825
Accumulated other comprehensive income	61	9
Treasury stock, 67,081 and 47,733 shares as of December 31, 2024 and 2023, respectively, at cost	(107)	(59)
Accumulated deficit	(240,455)	(195,970)
Total stockholders' equity	60,025	54,809
Total liabilities and stockholders' equity	$ 95,626	$ 89,091