Note 13 - Retirement Plans (Tables)

12 Months Ended

Dec. 31, 2023

Notes Tables

Multiemployer Plan [Table Text Block]

	Trusts employer
	identification			Funding plan	Company contributions to the Trust
Pension	number /	PPA zone status		pending /	(dollars in thousands)						Surcharge
fund	plan number	2023	2022	implemented	2023		2022		2021		imposed
Trust	23-6648508 / 499	Green	Green	No	$	876	$	691	$	647	No