Property and Equipment, Net

9 Months Ended

Sep. 30, 2018

Property Plant And Equipment Net [Abstract]

Property and equipment consisted of the following (in thousands):

	September 30, 2018			December 31, 2017
Computer hardware and software	$	366		$	301
Furniture and fixtures		71			60
Machinery and equipment		1,040			745
Demonstration lasers and lasers placed with customers		2,097			483
Automobiles		200			154
Leasehold improvements		93			13
Construction in progress		50			178
Property and equipment, gross		3,917			1,934
Accumulated depreciation		(1,108	)		(775	)
Property and equipment, net	$	2,809		$	1,159

Depreciation expense was $0.2 million and $0.1 million for the three months ended September 30, 2018 and 2017, respectively, and was $0.4 million and $0.1 million for the nine months ended September 30, 2018 and 2017, respectively.