Property and Equipment

12 Months Ended

Dec. 31, 2016

Property, Plant and Equipment [Abstract]

Property and Equipment

5. Property and Equipment

Property and equipment, net consist of the following:

		December 31,
	Useful Life	2016		2015
Research and development equipment	5 years	$	989	$	834
Office and computer equipment	3 years		235		181
Furniture and fixtures	7 years		17		12
Leasehold improvements	*		189		189
			1,430		1,216
Less accumulated depreciation and amortization			799		603
Total		$	631	$	613

* Shorter of lease term or estimated useful life

Depreciation and amortization expense was approximately $196 and $182 for the year ended December 31, 2016 and 2015, respectively.