Condensed Consolidated Balance Sheets - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 60,494	$ 49,464
Marketable securities, available for sale	20,165	43,720
Prepaid expenses and other current assets	1,535	1,542
Total current assets	82,194	94,726
Property and equipment, net	29	34
Other non-current assets	0	866
Total assets	82,223	95,626
Current liabilities:
Accounts payable	492	559
Accrued expenses	3,744	3,908
Total current liabilities	4,236	4,467
Non-current liabilities:
Long-term debt, net of discount	31,253	31,134
Total liabilities	35,489	35,601
Commitments and contingencies (see Note 12)
Stockholders' equity:
Preferred stock, $0.0001 par value; 10,000,000 shares authorized as of March 31, 2025 and December 31, 2024; no shares issued or outstanding as of March 31, 2025 and December 31, 2024	0	0
Common stock, $0.0001 par value; 500,000,000 shares authorized as of March 31, 2025 and December 31, 2024; 59,316,859 and 59,198,230 shares issued as of March 31, 2025 and December 31, 2024, respectively; 59,223,729 and 59,131,149 shares outstanding as of March 31, 2025 and December 31, 2024, respectively	6	6
Additional paid-in capital	301,507	300,520
Accumulated other comprehensive income	11	61
Treasury stock, 93,130 and 67,081 shares as of March 31, 2025 and December 31, 2024, respectively; at cost	(124)	(107)
Accumulated deficit	(254,666)	(240,455)
Total stockholders' equity	46,734	60,025
Total liabilities and stockholders' equity	$ 82,223	$ 95,626

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).

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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).