Property, Plant and Equipment (Tables)

12 Months Ended

Dec. 31, 2020

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment

Property, plant and equipment consisted of the following (in thousands):

	December 31,
	2020		2019
Machinery, equipment and vehicles	$	14,999	$	17,170
Furniture and fixtures	3,142		3,530
Leasehold improvements	2,290		2,725
Buildings	334		321
	20,765		23,746
Accumulated depreciation and amortization	(16,115)		(17,943)
	$	4,650	$	5,803