Property and Equipment

9 Months Ended

Sep. 30, 2018

Property Plant And Equipment [Abstract]

Property and Equipment

9. Property and Equipment

Property and equipment consisted of the following:

	September 30,			December 31,
	2018			2017
	(In thousands)
	(unaudited)
Machinery, manufacturing and demonstration equipment	$	12,095		$	10,866
Computer equipment		2,260			2,187
Furniture		628			598
Leasehold improvements		2,273			2,237
Total property and equipment		17,256			15,888
Accumulated depreciation and amortization		(10,597	)		(9,218	)
Property and equipment, net	$	6,659		$	6,670

Depreciation expense was $1,876,000 and $1,816,000, for the nine months ended September 30, 2018 and 2017, respectively.