CONDENSED BALANCE SHEETS - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Current assets:
Cash and cash equivalents	$ 2,463	$ 6,062
Receivables	4	1
Prepaid expenses and other current assets	2,211	2,198
Total current assets	4,678	8,261
Property and equipment, net	0	2
Total assets	4,678	8,263
Current liabilities:
Accounts payable	365	616
Accrued expenses	542	1,340
Total current liabilities	907	1,956
Total liabilities	907	1,956
Commitments and contingencies
Stockholders' equity
Common stock $0.001 par value; 5,000,000 shares authorized, 1,601,252 shares issued and outstanding at June 30, 2024 and at December 31, 2023	2	2
Additional paid-in capital	922,346	922,072
Accumulated deficit	(918,577)	(915,767)
Total stockholders' equity	3,771	6,307
Total liabilities and stockholders' equity	$ 4,678	$ 8,263

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).