Note 10 - Accrued Retirement Benefits (Tables)

9 Months Ended

Sep. 30, 2025

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	September 30,			December 31,
	2025			2024
	(unaudited)			(audited)
	(in thousands)
Defined benefit pension plan	$	-		$	912
Non-qualified retirement plans		1,591			1,596
Total		1,591			2,508
Less current portion		(140	)		(140	)
Non-current portion of accrued retirement benefits	$	1,451		$	2,368

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended September 30,						Nine Months Ended September 30,
	2025			2024			2025			2024
	(unaudited)						(unaudited)
	(in thousands)						(in thousands)
Interest cost	$	-		$	184		$	252		$	552
Expected return on plan assets		-			(174	)		(216	)		(522	)
Amortization of net loss		-			68			321			204
Settlement expense		(587	)		-			6,557			-
Pension and other postretirement expenses	$	(587	)	$	78		$	6,914		$	234