4. PROPERTY, PLANT AND EQUIPMENT

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

PROPERTY, PLANT AND EQUIPMENT

NOTE 3: PROPERTY, PLANT AND EQUIPMENT

Property, plant and equipment consisted of the following:

							Range of
	December 31, 2019			December 31, 2018			Asset Lives
Buildings and improvements	$	285		$	285			7 - 36 years
Leasehold improvements		896			908			2 - 5 years
Equipment		17,887			18,640			2 - 30 years
Furniture, computers and office equipment		901			1,166			2 - 8 years
Construction in progress		64			158			–
Total property, plant and equipment		20,033			21,157
Less: Accumulated depreciation		(12,069	)		(11,466	)
Property, plant and equipment, net	$	7,964		$	9,691

Depreciation expense excluded from cost of sales in the accompanying consolidated statements of operations was $276 and $282 for the years ended December 31, 2019 and 2018, respectively. Depreciation expense included in cost of sales in the accompanying consolidated statements of operations was $1,105 and $1,590 for the years ended December 31, 2019 and 2018, respectively.

Construction in progress represents assets that are not ready for service or are in the construction stage. Assets are depreciated once they are placed in service.

See discussion in Note 1 for any impairment charges related to these assets.