Condensed Consolidated Balance Sheets (unaudited) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 77,596	$ 110,995
Prepaid expenses and other current assets	2,843	2,071
Total current assets	80,439	113,066
Property and equipment, net	5,490	6,322
Restricted cash and cash equivalents	895	1,220
Operating lease right of use asset	5,620	6,001
Other assets	122	320
Total assets	92,566	126,929
Current liabilities:
Accounts payable	2,774	3,035
Accrued expenses and other current liabilities	8,543	10,588
Operating lease liability, current	1,454	1,557
Note payable, current	2,400	0
Total current liabilities	15,171	15,180
Operating lease liability, net of current portion	8,587	9,435
Note payable, net of discount, issuance costs, and current portion	24,705	26,095
Derivative liability	2,639	2,829
Total liabilities	51,102	53,539
Commitments and contingencies
Stockholders’ equity:
Preferred stock, $0.0001 par value, 5,000,000 shares authorized as of June 30, 2025 and December 31, 2024; no shares issued or outstanding as of June 30, 2025 and December 31, 2024	0	0
Common stock, $0.0001 par value, 200,000,000 shares authorized as of June 30, 2025 and December 31, 2024; 45,335,265 and 44,827,159 shares issued and outstanding as of June 30, 2025 and December 31, 2024, respectively	5	5
Additional paid-in capital	492,118	487,973
Accumulated deficit	(450,659)	(414,588)
Total stockholders’ equity	41,464	73,390
Total liabilities and stockholders’ equity	$ 92,566	$ 126,929

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).