Note 4 - Property and Equipment, Net

12 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

4. Property and Equipment, net

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

	As of December 31,
	2018			2017
Computer equipment and software	$	211		$	192
Furniture, fixtures, and other		365			302
Laboratory equipment		514			477
		1,090			971
Accumulated depreciation		(827	)		(712	)
Property and equipment, net	$	263		$	259

Depreciation expense for the years ended

December 31, 2018,

2017

and

2016

was

$0.1

million,

$0.1

million, and

$0.1

million, respectively.