Note 5 - Property and Equipment, Net (Tables)

3 Months Ended

Mar. 31, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

	March 31,			December 31,
	2019			2018
Computer equipment and software	$	121			119
Laboratory and manufacturing equipment		532			481
Furniture and fixtures		55			55
Leasehold improvements		332			332
Construction in progress		3			3
Property and equipment, gross		1,043			990
Less accumulated depreciation		(868	)		(845	)
Property and equipment, net	$	175			145