Property and Equipment

3 Months Ended

Mar. 31, 2020

Property, Plant and Equipment [Abstract]

Property and Equipment

Property and equipment:

Property and equipment, summarized by major category, consist of the following as of:

	March 31, 2020		December 31, 2019
Machinery & equipment	$	5,635	$	5,635
Right of use, building lease	661		720
Computer equipment & software	437		437
Office furniture & equipment	174		174
Leasehold improvements	43		43
Idle equipment	679		679
Total	7,629		7,688
Less accumulated depreciation and amortization	(5,634)		(5,613)
Total property and equipment, net	$	1,995	$	2,075

Depreciation expense for the three-month periods ended March 31, 2020 and March 31, 2019, was approximately $0.02 million and $0.1 million, respectively.