4. PROPERTY, PLANT AND EQUIPMENT (Tables)

9 Months Ended

Sep. 30, 2020

Property, Plant and Equipment [Abstract]

Schedule of property, plant and equipment

							Range of
	September 30, 2020			December 31, 2019			Asset Lives
Buildings and improvements	$	285		$	285			7 - 36 years
Leasehold improvements		906			896			2 - 5 years
Equipment		12,343			17,887			2 - 30 years
Furniture, computers and office equipment		907			901			2 - 8 years
Construction in progress		31			64			–
Total property, plant and equipment		14,472			20,033
Less: Accumulated depreciation and amortization		(11,693	)		(12,069	)
Property, plant and equipment, net	$	2,779		$	7,964