Note 14 - Retirement Plans (Tables)

6 Months Ended

Jun. 30, 2019

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Three Months Ended						Six Months Ended
	June 30,						June 30,
	2019			2018			2019			2018
Interest cost	$	150		$	141		$	300		$	282
Expected return on plan assets		(169	)		(198	)		(339	)		(396	)
Amortization of loss		141			148			282			296
Net periodic pension expense	$	122		$	91		$	243		$	182