Condensed Balance Sheets (Unaudited) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Current assets:
Cash and cash equivalents	$ 53,772	$ 4,323
Short-term investments in marketable securities	34,386	57,123
Prepaid expenses and other current assets	6,327	5,929
Total current assets	94,485	67,375
Property and equipment, net	33,360	35,858
Operating lease right-of-use assets	11,294	11,890
Other noncurrent assets	4,813	4,817
Total assets	143,952	119,940
Current liabilities:
Accounts payable	5,064	5,162
Accrued and other current liabilities	6,294	8,035
Operating lease liabilities, current	2,794	2,778
Total current liabilities	14,152	15,975
Operating lease liabilities, noncurrent	10,117	10,830
Other noncurrent liabilities	287	281
Total liabilities	24,556	27,086
Commitments and contingencies (Note 4)
Stockholders' equity:
Common stock	16	8
Additional paid-in capital	660,665	607,229
Accumulated other comprehensive income (loss)	(10)	28
Accumulated deficit	(541,275)	(514,411)
Total stockholders' equity	119,396	92,854
Total liabilities and stockholders' equity	$ 143,952	$ 119,940

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).