Note 3 - Investments in Debt Securities (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Debt Securities, Held-to-Maturity [Table Text Block]

	September 30,		December 31,
	2025		2024
	(unaudited)		(audited)
	(in thousands)
Amortized cost	$	120	$	2,687
Unrealized gains		2		5
Fair value	$	122	$	2,692

Investments Classified by Contractual Maturity Date [Table Text Block]

	September 30, 2025				December 31, 2024
	(unaudited)				(audited)
			(in thousands)
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
One year or less	$	120	$	122	$	2,687	$	2,692
Greater than one year through five years		-		-		-		-
Fair value	$	120	$	122	$	2,687	$	2,692