Property and Equipment and Inventory

9 Months Ended

Sep. 30, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment and Inventory

Note 5 — Property and Equipment and Inventory

A summary of the components of property and equipment (in thousands) at September 30, 2016 and December 31, 2015 are as follows:

	Estimated Useful Lives	September 30, 2016			December 31, 2015
Production equipment	3 to 5 years	$	2,051		$	1,966
Research and development equipment	3 to 5 years		3,581			3,572
Leasehold improvements	5 years		23			23
Computer equipment	5 years		98			98
Office equipment	3 to 5 years		20			20
Construction-in-progress			389			176
			6,162			5,855
Accumulated depreciation			(4,815	)		(4,013	)
Property and equipment, net		$	1,347		$	1,842

Depreciation for the nine months ended September 30, 2016 and September 30, 2015 was approximately $0.8 million and $3.6 million, respectively.

A summary of the components of inventory at September 30, 2016 and December 31, 2015 (in thousands):

	September 30, 2016		December 31, 2015
Raw materials	$	239	$	419
Work-in-progress		426		328
Finish Goods		12		22
Inventory	$	677	$	769