3. PROPERTY, PLANT AND EQUIPMENT (Tables)

12 Months Ended

Dec. 31, 2018

Property, Plant and Equipment [Abstract]

Net Property, plant and equipment

Property, plant and equipment consisted of the following:

	December 31, 2018			December 31, 2017			Range of Asset Lives
Buildings and improvements		285			285			7 - 36 years
Leasehold improvements		908			908			2 - 5 years
Equipment		18,640			19,012			2 - 30 years
Furniture, computers and office equipment		1,166			1,166			2 - 8 years
Construction in progress		158			2,127			–
Total property, plant and equipment		21,157			23,498
Less: Accumulated depreciation		(11,466	)		(11,146	)
Property, plant and equipment, net	$	9,691		$	12,352