Note 4 - Investments (Tables)

9 Months Ended

Sep. 30, 2023

Notes Tables

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

	September 30,			December 31,
	2023			2022
	(unaudited)			(audited)
	(in thousands)
Amortized cost	$	3,085		$	2,983
Unrealized gains		-			9
Unrealized losses		(8	)		-
Fair value	$	3,077		$	2,992

Investments Classified by Contractual Maturity Date [Table Text Block]

	September 30, 2023 (unaudited)				December 31, 2022 (audited)
	Amortized Cost		Fair Value		Amortized Cost		Fair Value
	(in thousands)
One year or less	$	2,752	$	2,746	$	2,432	$	2,440
Greater than one year through five years		333		331		551		552
	$	3,085	$	3,077	$	2,983	$	2,992