Note 6 - Property and Equipment, Net

12 Months Ended

Dec. 31, 2018

Notes to Financial Statements

Property, Plant and Equipment Disclosure [Text Block]

( 6 ) Property and Equipment, Net

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

	December 31,
	2018			2017
Computer equipment and software	$	119			106
Laboratory and manufacturing equipment		481			447
Furniture and fixtures		55			48
Leasehold improvements		332			326
Construction in progress		3			—
Property and equipment, gross		990			927
Less accumulated depreciation		(845	)		(758	)
Property and equipment, net	$	145			169

Depreciation expense totaled approximately

$88,000,

$78,000

and

$39,000

for the years ended

December 31, 2018,

2017

and

2016,

respectively. All of the Company’s property and equipment is located in the United States.