Note 8 - Accrued Retirement Benefits (Tables)

3 Months Ended

Mar. 31, 2025

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	March 31,			December 31,
	2025			2024
	(unaudited)			(audited)
	(in thousands)
Defined benefit pension plan	$	7,230		$	912
Non-qualified retirement plans		1,587			1,596
Total		8,817			2,508
Less current portion		(7,370	)		(140	)
Non-current portion of accrued retirement benefits	$	1,447		$	2,368

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended March 31, (unaudited)
	2025			2024
	(in thousands)
Pensions and other benefits:
Interest cost	$	105		$	184
Expected return on plan assets		(72	)		(174	)
Amortization of net loss		79			68
Settlement expense		6,807			-
Pension and other postretirement expenses	$	6,919		$	78