Note 5 - Employee Benefit Plan (Tables)

6 Months Ended

Jun. 30, 2021

Notes Tables

Schedule of Net Benefit Costs [Table Text Block]

	Six Months Ended June 30,						Three Months Ended June 30,
(dollars in thousands)	2021			2020			2021			2020
Interest cost	$	72		$	82		$	36		$	41
Expected return on plan assets	$	(348	)	$	(314	)	$	(174	)	$	(157	)
Recognized net actuarial (gain)/loss	$	18		$	14		$	9		$	7
Net periodic benefit cost	$	(258	)	$	(218	)	$	(129	)	$	(109	)