Property and Equipment

9 Months Ended

Sep. 30, 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:

	September 30, 2020		December 31, 2019
Machinery & equipment	$	4,683	$	5,635
Right of use, building lease	536		720
Computer equipment & software	259		437
Office furniture & equipment	174		174
Leasehold improvements	43		43
Idle equipment	679		679
Construction in progress	61		—
Total	6,435		7,688
Less accumulated depreciation and amortization	(4,950)		(5,613)
Total property and equipment, net	$	1,485	$	2,075

Depreciation expense for the three-month periods ended September 30, 2020 and September 30, 2019, was approximately $0.02 million and $0.08 million, respectively. Depreciation expense for the nine-month periods ended September 30, 2020 and September 30, 2019, was approximately $0.5 million and $0.2 million, respectively. Depreciation expense for the nine-month period ended September 30, 2020 includes a $0.3 million one-time charge due to BUNAVAIL equipment write-off.