Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Mar. 31, 2026	Dec. 31, 2025
Current assets:
Cash and cash equivalents	$ 23,233	$ 25,358
Accounts receivable and unbilled revenues, net	531	391
Prepaid expenses and other current assets	625	495
Current assets of discontinued operations	41	41
Total current assets	24,430	26,285
Non-current assets:
Property and equipment, net	140	145
Operating lease right-of-use assets, net	341	455
Total non-current assets	481	600
Total assets	24,911	26,885
Current liabilities:
Accounts payable	367	464
Accrued payroll and employee benefits	942	865
Accrued expenses	394	459
Contract liabilities	103	37
Current portion of finance lease obligations	12	12
Current portion of operating lease obligations	234	344
Total current liabilities	2,052	2,181
Non-current liabilities:
Finance lease obligations, net of current portion	12	15
Operating lease obligations, net of current portion	0	0
Total non-current liabilities	12	15
Total liabilities	2,064	2,196
Commitments and contingencies (Note 4)
Stockholders’ equity:
Preferred stock, 1,000,000 shares authorized, with par value of $0.001; no shares issued and outstanding at March 31, 2026 and December 31, 2025, respectively.	0	0
Common stock, 25,000,000 shares authorized, with par value of $0.001; 16,782,922 and 16,782,922 shares issued and outstanding at March 31, 2026 and December 31, 2025, respectively.	17	17
Additional paid-in capital	240,955	240,955
Accumulated other comprehensive loss	(675)	(696)
Accumulated deficit	(217,450)	(215,587)
Total stockholders’ equity	22,847	24,689
Total liabilities and stockholders’ equity	$ 24,911	$ 26,885

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).