Property and Equipment

12 Months Ended

Dec. 31, 2019

Property, Plant and Equipment [Abstract]

Property, Plant and Equipment Disclosure [Text Block]

. Property and Equipment

The following table provides details of the property and equipment, net:

	December 31,
(in thousands)	2019			2018
Leasehold improvements	$	350		$	322
Manufacturing equipment	1,749			1,669
Computer and office equipment	9,991			9,451
Furniture and fixtures	175			162
Equipment under lease	6,652			6,529
Transportation equipment	67			67
Total	18,984			18,200
Less accumulated depreciation	(17,058		)	(14,203		)
Construction in progress	3,594			3,390
Property and equipment, net	$	5,520		$	7,387

Depreciation expense on property and equipment amounted to $2.9 million, $2.7 million and $2.3 million for the years ended December 31, 2019, 2018 and 2017, respectively.