Note 5 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2019

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31,
	2019			2018
Computer equipment and software	$	132		$	119
Laboratory and manufacturing equipment		550			481
Furniture and fixtures		55			55
Leasehold improvements		332			332
Construction in progress		69			3
Property and equipment, gross		1,138			990
Less accumulated depreciation		(957	)		(845	)
Property and equipment, net	$	181		$	145