Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 12,996	$ 21,031
Prepaid expenses and other current assets	1,302	445
Total current assets	14,298	21,476
Property and equipment, net	9	11
Total assets	14,307	21,487
Current liabilities:
Accounts payable	901	435
Accrued expenses	804	905
Total liabilities	1,705	1,340
Commitments and contingencies (Note 3)
Stockholders' equity:
Series D Preferred stock, $0.0001 par value, 10,000,000 shares authorized; 0 issued and outstanding at each of June 30, 2026 and December 31, 2025	0	0
Common stock, $0.0001 par value, 100,000,000 shares authorized; 11,617,250 and 11,617,250 shares issued and outstanding at June 30, 2026 and December 31, 2025, respectively	1	1
Additional paid-in capital	175,796	175,200
Accumulated deficit	(163,195)	(155,054)
Total stockholders' equity	12,602	20,147
Total liabilities and stockholders' equity	$ 14,307	$ 21,487

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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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).