Note 4 - Accounts Receivable

3 Months Ended

Mar. 31, 2026

Notes to Financial Statements

Accounts and Nontrade Receivable [Text Block]

4. ACCOUNTS RECEIVABLE

Accounts receivable consisted of the following as of March 31, 2026 and December 31, 2025 (in thousands):

	March 31, 2026		December 31, 2025
Trade accounts receivable	$	1	$	6
Allowance for credit losses		—		—
Accounts receivable	$	1	$	6