Property and Equipment (Tables)

12 Months Ended

Dec. 31, 2018

Property Plant And Equipment [Abstract]

Summary of Property and Equipment

Property and equipment consisted of the following:

	December 31,			December 31,
	2018			2017
	(In thousands)
Machinery, manufacturing and demonstration equipment	$	12,320		$	10,866
Computer equipment		2,260			2,187
Furniture		639			598
Leasehold improvements		2,280			2,237
Total property and equipment		17,499			15,888
Accumulated depreciation and amortization		(11,162	)		(9,218	)
Property and equipment, net	$	6,337		$	6,670