Note 6 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2017

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31,
	201 7			201 6
Computer equipment and softwar e	$	106			143
Laboratory and manufacturing equipmen t		447			366
Furniture and fixture s		48			48
Leasehold improvement s		326			325
Property and equipment, gros s		927			882
Less accumulated depreciatio n		(758	)		(771	)
Property and equipment, ne t	$	169			111