Property and Equipment (Tables)

6 Months Ended

Jun. 30, 2019

Property, Plant and Equipment [Abstract]

Summary of Property and Equipment

Property and equipment consisted of the following:

	June 30, 2019			December 31, 2018
	(In thousands)
	(unaudited)
Machinery, manufacturing and demonstration equipment	$	12,565		$	12,320
Computer equipment	2,297			2,260
Furniture	638			639
Leasehold improvements	2,287			2,280
Total property and equipment	17,787			17,499
Accumulated depreciation and amortization	(12,005		)	(11,162)
Property and equipment, net	$	5,782		$	6,337