PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2021

PROPERTY, PLANT AND EQUIPMENT

Schedule of property, plant and equipment

	Estimated
December 31,	Useful Lives	2021		2020
(in thousands)
Land	N/A	$	878	$	878
Buildings	7-40		21,275		20,966
Operating equipment and property	3-15		13,455		12,923
Furniture and fixtures	5-7		2,779		2,560
Vehicles	5-10		7,861		7,677
Gross property, plant and equipment			46,248		45,004
Less: accumulated depreciation			(31,878)		(30,066)
Net property, plant and equipment		$	14,370	$	14,938