Note 10 - Benefit Plans (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Schedule of Defined Benefit Plans Disclosures [Table Text Block]

	December 31,
	2023			2022
Changes in benefit obligation:
Benefit obligation at beginning of year	$	12,993		$	15,523
Service cost		21			203
Interest cost		637			401
Actuarial (gain) loss		229			(3,031	)
Benefits paid		(280	)		(103	)
Benefit obligation at end of year		13,600			12,993
Changes in plan assets:
Employer contributions		280			103
Benefits paid		(280	)		(103	)
Fair value of plan assets at end of year		-			-
Funded status at end of year	$	(13,600	)	$	(12,993	)
Amounts recognized in balance sheets:
Other current liabilities	$	(316	)	$	(129	)
Long-term pension liability		(13,284	)		(12,864	)
Net amount recognized	$	(13,600	)	$	(12,993	)
Amounts recognized in accumulated other comprehensive loss consist of:
Net actuarial loss	$	1,964		$	1,953

Defined Benefit Plan, Plan with Accumulated Benefit Obligation in Excess of Plan Assets [Table Text Block]

	December 31,
	2023		2022
Projected benefit obligation	$	13,600	$	12,993
Fair value of plan assets		-		-
Underfunded	$	13,600	$	12,993

Schedule of Net Benefit Costs [Table Text Block]

	Years Ended December 31,
	2023		2022
Service cost on benefits earned during the period	$	21	$	203
Interest cost on projected benefit obligation		637		401
Recognized actuarial loss		218		1,715
Net periodic pension cost after settlements	$	876	$	2,319

Defined Benefit Plan, Assumptions [Table Text Block]

	Discount Rate			Long Term Rate of Return		Salary Scale
2022		4.93	%		N/A		3.00	%
2023		4.73	%		N/A		3.00	%

	Discount Rate			Long Term Rate of Return		Salary Scale
2022		2.59	%		N/A		3.00	%
2023		4.93	%		N/A		3.00	%

Schedule of Expected Benefit Payments [Table Text Block]

Year	Projected Benefit Payments
2024	$	324
2025		1,537
2026		977
2027		985
2028		975
2029-2033		4,733