Note 6 - Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2022

Notes Tables

Property, Plant and Equipment [Table Text Block]

	June 30,		December 31
	2022		2021		Estimated Useful Lives
Land	$	730	$	730
Furniture and fixtures		259		265	5	-	10 years
Plant		10,082		10,457	20	-	40 years, or life of lease
Computer and software		450		452	3	-	5 years
Leasehold improvements		1,838		1,828	4	-	15 years, or life of lease
Machinery and equipment		15,266		15,115	5	-	15 years
Property and equipment, cost		28,625		28,847
Less accumulated depreciation		13,810		13,403
Property and equipment, net	$	14,815	$	15,444