Note 5 - Property and Equipment, Net (Tables)

12 Months Ended

Dec. 31, 2020

Notes Tables

Property, Plant and Equipment [Table Text Block]

	December 31,
	2020			2019
Computer equipment and software	$	159		$	132
Laboratory and manufacturing equipment		550			550
Furniture and fixtures		59			55
Leasehold improvements		332			332
Construction in progress		70			69
Property and equipment, gross		1,170			1,138
Less accumulated depreciation		(1,025	)		(957	)
Property and equipment, net	$	145		$	181