Note 5 - Property and Equipment, Net

12 Months Ended

Dec. 31, 2017

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

5. Property and Equipment, net

Property and equipment, net consists of the following (in thousands):

	As of December 31,
	2017			2016
Computer equipment and software	$	192		$	141
Furniture, fixtures, and other		302			318
Laboratory equipment		477			478
		971			937
Accumulated depreciation		(712	)		(565	)
Property and equipment, net	$	259		$	372

Depreciation expense for the years ended

December 31, 2017,

2016

and

2015

was

$0.1

million,

$0.1

million, and

$0.1

million, respectively.